Thank you for posting this video. I did a MDS delete due to a damaged cam and after fitting the kit, I had problems getting her to run. Very rough running and unable to idle. I thought that I must’ve had a bad vacuum leak, so I removed the intake manifold and double checked that the individual intake gaskets hadn’t dislodged from their position. I then remembered viewing you video several months ago when I was doing some research. I couldn’t remember the conclusion so looked back through my history and found it. So glad I did as I followed your course and compression tested each cylinder. Low and behold, number one had zero compression. Long story short, my 5.7 is an a JK Wrangler and the fit is fairly tight, that tight, due to AC lines, the only way to remove the rocker cover is by removing the alternator, power steer pump and radiator and sliding the cover forward and out. So when I installed the pushrods, I hadn’t seated one in the lifter, causing my issue. But due to your video, you saved me time and a lot of aggravation and assisted me in sorting it out. Many thanks again.🍺
Started the MDS delete on my brother's hemi last night. Glad I watched this video. When I get the valve covers on I'm going to do a compression test on all cylinders just so I don't have to backtrack. Thanks for the video.
Thanks for the trouble shooting tips man. It’s always nice when people show the real world problems you run into when taking on these kinds of projects. It’s never self explanatory. Lol. I have a 2014 ram 1500. I found that it’s the pushrods not seating properly on the intake side, so they slip out of the seat once the engine rotated over. Luckily I manually turned the engine over and found that the #3 cylinder pushrod slipped out so no harm no foul, but I definitely would have had the same idoling issue if I tried running it. Thanks again for the post! Really helped me to avoid those pitfalls before I started.
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
Don't feel bad. Due to the way the lifters and pushrods lay almost horizontal, they almost NEVER want to stay in the cups and where they are supposed to during assembly. 95% of the time when a hemi of that type is put together and everything was fine but now it won't run.... its what you ran into. And the back cylinders are the usual culprits because it's hard to see, like you said. Your advice was also spot on. I compression test every motor once the valve train is assembled to double check for just that. About a quarter of the time when I first crank it... I'll hear a loud "TINK" as one of the pushrods slips either INto or OUT of the cup. Lol.
That's crazy to go through all of that to disable MDS... Like a lot of things, Chrysler should have given the owner the option to disable MDS with a simple switch.
There are small things people do with Tow/Haul mode and such that people claim with turn off ads while driving. You can also turn it off with a tuner, in my case the cam was already damaged, so I did the delete while in there.
There are easy ways to disable it such as tow/haul or using the gear limiter. However, the main issue with doing that is that it doesn't address the oiling issue, especially at idle. By removing the solenoids, it increases the oil flow and pressure to the lifters 100% of the time. With the mds, the higher pressure is only applied to the lifters during mds activation which is what causes them to work.
Thank you for taking the time to share that information I have considered purchasing a modern hemi truck but intend to delete the MDS right away before any issues arise.
@@wheelinoutwest It was, I’ve been avoiding newer Mopar gas engines for a while because of the horrific reputation of MDS so I stuck with Diesels. But I wanted a lighter commuter and heard you could delete MDS. No one else covered the lessons learned with this swap. So once again thanks!
I have an Aspen with the 5.7, and have 260k on it; I rebuilt it looking for the lifter/ cam issue, and all the parts inside looked practically new. Just wanted to let everyone know that this is the easiest motor I’ve ever worked on. I will drive this until it rusts into the ground. Motor is a beast. What other suv can tow 8000 pounds
Thanks! A lot of good info here. I will also add/reinforce: The problem is, the engine oil may get old without you realizing, and then... Change the engine oil no more than 4k, regardless of "oil life" reading. Also be mindful of the operating hours as this will further break the oil on a "low mile" service interval if it has mostly idling. Consider 200 hours to be the limit here. Use premium oil and filters. Do this and your Hemi's lifters/cam will last well past 200k, regardless of when it was built. The sooner you are able to do this, the better. This is even MORE important on a higher mileage engine, which will require even shorter oil change intervals as the rate of oil contamination increases.
@@frivera735 To be clear, you have a misfire, and you are planning to just do the tuner, or the entire delete kit. The reason I ask, if you have a misfire, you may already have to do mechanical work, the cam may be damaged. I change oil by the manufacturers recommendations, but changing it early can never hurt anything.
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
Been using Amsoil Signature 0w -20 and found it runs well with high oil pressure Oil was expensive so going to run out to 20,000 km and do An oil sample Test kit (komatsu do them for $40 they analyse the oil for contaminants) I fitted the hellcat high volume oil pump and I feel from the engine lack of valve train noise it’s still lubricating well after 10,000 country highway kilometres changing every 5000km is a good idea but I am going to use top quality Amsoil signature low viscosity oil and just see how far I can safely go before a hint of valve train noise or 20,000km whichever comes first
I just completed a 2009 VCT 5.7 VCT delete and added a distributor drive gear to a 2006 timing chain set to drive A GM distributor. Installed the older now modified chain set , a GM distributor with ford 4.2 v6 drive gears and had to fix the lifters. If you take out the bad lifters ( ones with loose rollers, not locked up) and press out the roller pin, you'll notice part of the pin is worn down but the roller and needles are fine....usually. Find some GM 3.8L series 2 v6 roller lifters and press the pins out of them to replace the bad ones on the hemi. Im a cheap ass and find a way around shelling out $400+ on lifters, Ford 3.0L V6 OHV roller lifters have the same pins. If needles are damaged, swap out the pin and rollers as well, they fit the hemi lifters. Sub merge lifter in oil and pump them up before install, this will prevent bending pushrods, and they are also different lengths so watch out.
I've done this also on a 2010 ram 1500 5.7, to remove the mds solenoids cut a small piece of 2x4 or whatever small scrap wood you have and place the end on the top of the solenoid and lightly tap the opposite end of the wood with a hammer, the solenoids will then turn and slide out super easy with absolutely no damage!
Thanks a lot. Was having huge issues after replacing camshaft and lifters . Couldn’t figure out why it wouldn’t idle. I was just about to tear it all apart but decided to check the push rods. Sure enough the push rod wasn’t seated correctly. Instant fix
These engines are very tricky to align the push rod up because they lay so horizontal and not much to hold them in place well, that combined with it being shaft mounted rockers trying to make sure they all stay in place at the same time. I did see people make “holders” with rubber hose with a slit in it over the push rod then peel it off after the rockers are on.
I tried the rubber fuel line holders...didn't work too well, so I simply tightened and kept checking and repositioning the rods as I went along until they didn't pop out and the rockers were on tight.
@@DL101ca yeah it’s not fun anyway you do it really. If I ever have to do one again I’m lifting the cab off the truck to work on the engine. It don’t take long and the A/C can stay connected. Given you have a hoist. It’s worth me being able to see what I’m doing better. Plus the rads and fans suck to mess with one less thing of you lift the cab
I cant say for sure, but I don’t know how this could affect the remote start? The delete is Purely mechanical, then you turn the mds off in the computer. It should not affect the remote start.
I have done three hemis this month due to needle bearing failure on the lifter and wiping out the cam but I have never seen one bend a pushrod just the valve not Opening.
@@Spoofaged it was honestly not bad. I was really impressed how easy it was to work on this engine. It is up and running. Just getting all the parts in was the pain. Sent the heads off to get redone. Installed everything and it’s running. I was about 1500 bucks in. Hope it last at least another 20k miles lol. Good luck
@@zekemontgomery6678 that's good to hear. I made mine a bit easier to work on when I put the electric fan in. Freed up a ton of room and actually cools when I'm sitting in traffic again, so win win. Putting some shorty headers in today to get rid of the exhaust leak so I can actually hear how bad mine is. Trying to squeeze another month or 2 out of it so when I go to do it, it's not 100 degrees outside
Hey, I had to do the same thing on a 2013 ram and it was my first time doing it and I have few videos out on youtube the problem ran into is the handheld tuner
Thanks for posting this, I thought I was the only guy that got to do some of my engine work twice!! Nice! on not quitting the build and getting it done!! Got a P1416 code on my GC been parked since it started acting up but now it is time to get her done! H2O pump ,T stat and MDS 6 Just might consider the delete kit!
I'm about to do this same job on my 2010 Ram 1500, I thought I just had a simple exhaust leak because I had broken bolts on my exhaust manifold. But nope, my Hemi has the tick. So I will be sure to ensure my timing sprocket is at the 12 with #1 being at TDC, and to ensure my push rods are seated all the way. All good info to have when doing this job yourself
Sounds like you got the pushrod into a little crevasse beside the lifter bore instead of seated into the lifter. Very easy to do on the intake pushrods. Very important to turn it over by hand to verify everything's moving how it should.
I agree, it was easy to put in the wrong place. I did turn it by hand, but this was the furthest back lifter, near the firewall, and I did not notice it.
It’s early life failure of lifter tiny roller needle bearings on gen3 Hemi. Designated PN ending in AA. Lifters were revised to AB with beefed up thicker needle bearings, then followed by AC revision from different supplier. AA lifter roller bearing failure and subsequent cam lobe wipe can happen to MDS and non MDS variants. MDS is not the issue or cause lifter failure. Missfire code is due to valve no longer opening sufficiently to create a combustion.
Good insight, I mentioned as well, I have heard people say the same thing, this can be MDS or non MDS. But if your working on a MDS, you might as well delete it at the same time.
@@wheelinoutwest sure, if your working that deep into engine makes sense, but simple method is to disable MDS in software permanently though if the lifters are AA early Gen3 upto 2015, lifter rollers are ticking time bombs no matter how great servicing has been or how vehicle is driven.
@@billhoman694 don’t have failure numbers. FCA won’t release numbers. Won’t be recall since it’s not life threatening or safety concern. If I was to take a guess.....any 3rd Gen VVT Hemi 2011 to 2015 with AA lifters with little needle bearings would likely have early failure no matter how well kept and easily driven, doesn’t stop the inevitable. FCA generally accept issue is rife and in cases have been known to replace engine when it fails with this symptom. Personally it would have been cheaper to issue technical bulletin on lifter issue and have dealer servicing replace lifters with stronger AC ones to mitigate the weakness.
You don't need to remove the oil pan to remove the oil pump. After unscrewing the pump, just turn it and unscrew the pickup tube. Just be careful that the screw and the O-ring do not fall into the oil pan. This is also described in the service manual for this engine.
It's almost impossible on the truck version. They say there are extras hold downs on the pick up tube. On mine you can not slide oil pump left or right. Even with the chain guards out.
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
@@63crosenberger Reinstalling is the issue if you don't take off the oil pan. You can get the oil pickup bolt off the oil pump by turning the pump clockwise, but getting it back on to thread and tighten is a test of patience , dexterity and creativity. I used fishing line on my bolt coiled counter clockwise on the threads, used my finger to hold in place and pulled on the fishing line to spin the bolt and get it started on the threads of the oil pump.
Good evening, my name is Alessandro Zanardi and I live in Italy, I have a RAM 1500 LARAMIE from 2018 with HEMI 5.7 motor, I would like to know if among your customers you have encountered oil pressure problems that go intermittently and breakage of the oil pump and motor due to low oil pressure. My RAM traveled about 80,000km and broke overnight. Can you give me some information if this engine has similar problems and what are the solutions to eliminate them? In Italy there are no capable mechanics like you in the USA. Thanks for your help.
Sorry to hear about your issues. An oil pump failure, can cause catastrophic damage to your engine, if the engine was run for any length of time after the failure. It could have damaged every component in your engine, and in that case, you may need a new motor. However, with out running some tests, it is hard to say. This video is more about deleting the MDS system, and some issue I ran into while doing so.
Put a 6.2 hellcat engine spec oil pump in. It’s higher volume at idle - pressure is OK just the volume of oil is the issue at idle. Hemi engines left to idle for long periods like in Police cars etc seem to have a lack of oil volume at idle. There is a solution MOPAR Part numbers: 6.2 Supercharged Hemi Helcat Oil pump is higher volume than the standard hemi 5.7 oil pump High VOLUME oil Pump (not high Pressure) 68195993AD High Volume Oil Pump 53020861 oil pick up o ring You will need the oring to seal the oil pick up. Drop the sump as low as you can at the front to reveal the oil pump Unbolt the sump and lower it down as much as you can and turn pump to the side as you remove it Use a new Oring and don’t drop the old Oring or the bolts into the sump or you are in a world of pain… This is what people should do as soon as they buy a new RAM1500 with 5.7 hemi
What changes does the hardware kit make, and doesn’t just disabling the MDS in a tuner accomplish the same thing? Really curious as when I had a supercharger put on my 5.7L Hemi, they just did the MDS disable in the tuner.
You actually remove the ads solenoids, so it cannot activate, and replace the cam, with a non Mds cam, and all new lifters. You can deactivate the MDS through a tuner, but in my case, I already had to replace all these components due to a lifter failure anyway.
So I already bought the lifters and cam with mds ones and then learned about deleting it can I replace the silonouds with plugs and turn it off with tunner without getting non mds lifters and camshaft?
@@leeedelman4289 Hey there, sorry in advance for the long post, but for completeness - I recently did a top-end rebuild in my 6.4. Same lifters and MDS system in both the 5.7 and 6.4, I have photos I can show you to back these facts that are a possible point of failure. I would strongly recommend NOT putting the MDS lifter in the engine with MDS turned off in the tuner. Here is why: Look at your MDS lifters and compare to a non MDS lifter. The pin you see in the side of the MDS unit is mechanical actuator for the MDS system. When MDS is activated that pin is collapsed into the inner core of the lifter, this disengages the outer body of the MDS lifter with the inner core of the lifter. The outer body has the roller on the cam and the inner core seats the push rod. This pin-disconnect is the location for mechanical engagement or disengagment of MDS system. The pin is collapsed to the inner core when Oil pressure pushes on the pin - MDS on. Remove oil pressure from the pin and a small spring inside the lifter (NOT valve spring but a tiny lifter spring) returns the pin to its home position with only this tiny lifter spring pressure (again this is NOT valve spring pressure, but tiny lifter spring pressure) - MDS off. MDS is only activated during lower RPM situations, roughly 2500 rpm and lower, ish. It is an economy mode driving situation. One reason for low rpm operation is at higher rpm the roller has a much harder time staying in contact with the cam lobe profile (this would be true for any lifter). After peak lift, the lifter must change direction very quickly in a very short distance to maintain contact with the cam lobe, The only way this happens is through the incredible strong force of the VALVE spring pushing back on the lifter (through the rocker arm and pushrod). VALVE Spring pressure is God in the valve train. When the MDS is active, the MDS lifter is disconnected at that pin location. This means the lifter roller is disconnected from VALVE spring pressure. If that pin can not or does not return to its home location then at higher rpm your roller is 'jumping' off the cam lobe just after peak lift. At 6000 rpm the lifter roller is experiencing peak lift 50 times per second. That's gonna kick the holy living flat spot into any anything, especially a needle bearing. There is no feed back or sensors of any kind to tell the ECU that the pin is disconnected, other than a misfire code. When the MDS system is cycling on and off these pins usually make it back to their home position, if it gets stuck it has a good chance of being freed on the next cycle, ( I suppose) ,at least a much better chance then if the MDS cycle has been deleted from the ECU operations. How often could a pin really get left in the disconnected position waiting for tiny lifter spring pressure to return it home? I pulled my top end apart due to the sound of mad click one day after a good dose of spirited driving, a Hemi RAM 2500 out roll racing Audis) all eight of mine were out of position where the pin was misaligned with the hole in the outer body. some pins I could still see the pin end, others I thought the lifter had an oiling hole or some thing, pin is so far out of alignment I can't see the pin, all eight had misaligned pins and all it takes is one to trash your motor. (wont be instant catastrophic failure, you get a warning - sounds like...tick, tick,tick,tick, tick. Turn it off until you know what it is.) This pin misalignment was due to me having the MDS system turned off in the tuner for 40k plus miles. I strongly recommend if your going to turn it off be thorough and remove MDS components in their entirety, or disable at the gear selector so it has chance to cycle.dd I know lifters are expensive but the engine is way more expensive. Imagine this - no MDS anything in your Hemi, every time you start it, every time you pull into a drive thru, or drive downtown in your city, all you hear is the rumble of your exhaust, smooth and lopey exhaust no matter what rpm! no tick, no worries, just the beautiful sound of 11mpg. Nothing is so badass, nothing in my world any way! (referring to the exhaust note, the 11 mpg sucks, I just dont look! ok really its 10.4.............. and that's on the evic)
@@brett9736 Thanks for this long explanation. I have a 2016 Charger R/T. I just deleted the MDS with my Diablo Turner. After reading your comment, I believe your stating a tuner MDS delete can cause problems in the engine in the future. I will put the MDS back on. I assumed if I need the MDS off , O can always run vehicle in sports mode. It automatically disables MDS. Thanks for the info.
Hey I have a 2012 Chrysler 300c and I have y swap my cam and lifters but some metal came out the oil you think it’s still a good idea to cam swap it and send it or just get a new engine ?
Hi Jake, to be clear, you already have swapped out the cam and lifters, or you were going to? If you look at my Cam in the video, it was wore down pretty bad, when it wears down the metal would end up in your engine, and hopefully the filter catches it, before going through the bearings. Its hard to say if it caused any other damage with out taking the engine apart and having a good look at it.
@@wheelinoutwest hey I haven’t changed the cam or the lifters yet cause that’s what failed, I took out my mds solenoids and they are clean also I took out my vvt solenoid and it’s also clean, I am going to take out my oil pan to check it out, I am thinking of just flushing out the engine and putting a new cam and lifters in it. Is that a good idea or just get a new motor ?
@@jakebowmen764 What you listed is what I did, and it has been working just fine. After I ran mine for a few miles, I changed the oil filter again, and then changed it again after a few months. Mine has been working fine, my niece uses it to commute around town. The MDS kit is pretty reasonable, and I also changed the water pump, battery, harmonic balancer, serpentine belt and some other things, so it cost me in total around $2000. Crate motors are great, but they seem to range from around 4 to 7 K, and used motors could have the same issue. I guess it depends on how much you want to spend, but my bottom end on the motor did not seem to be damaged.
Thanks for the replay one last question if I take off the passenger head can I check the cam from there to look for damage or is it hidden? I am more of a body man than mechanic
Hello, I have a question, my friend. What is the order of installation of the lifters without MDS? I know that with MDS the lifters have a specific order, but I have a question about how they work without the MDS! If you know of any video of how the installation works without MDS, I would appreciate it. I want to do this project and that is the only information I cannot find. Thank you and I hope you can help me.
Yes, with the mds there is only one way to position the lifters. That's why I'm looking for information about without the mds, it seems that they don't have a specific position. I've looked for information about this and I can't find any. Thank you very much for responding and I'm glad you were able to get your truck running.
Cheapest way to avoid this on a 5.7 hemi is to replace the mds solenoids with new ones and then use a tuner to disable it on the system. That way you don't need to change anything. I suggest replacing the mds solenoids so you don't risk lifter failure in the future.
Yes, I read that. That disabling MDS keeps RPMS higher offering more lube to the lifters thus no lifter failure. I also read that MOST of the lifter damage is caused by idling for long periods of time.
My Uncle works for Ford but they do work on police Chargers all the time as well. He told me they had many lifter failures and cam wear (due to idling so often) but they damn near cured the issue simply by adding Lucas Oil lubricant to their oil. It raises oil pressure a bit (even at idle), and reduces wear on the cam and lifters. Ive got a 2020 Charger with 38k miles and will definitely add the Lucal Oil lubricant in my next oil change.
By deleting the mds selenoids and replacing with block caps is it good to go or do I need to worry about doing a non mds cam and also non mds lifters ? I'm sort of lost here. . Well I got an 05 ram 4x4 but got a donor motor of who knows where which is out of my comprehension on what's yrs. And models these mds hemis were introduced. Guy who sold me motor was not completely honest and mabey changed the timeing cover, Anyhow the donor motor which was put in has selenoids on top with harness but obviously my 05 ram has no plug in for that bit so no I'm just worried and do not want to go through another motor or get that hemi tick due to bad lifters grinded cam ect. Advice please.. this truck does not run the way it should
Would I have to do non mds cam and non mds lifters.. since I my truck doesn't have plug in for selenoids harness, which if it did I would get a tuner and shut it off.. or you think since mds is not connected it will run ok. Just worried lifters will not work properly and will start to chew up the cam. Not sure how motor s working since it's not plugged in. I took the harness off and didn't think anything of it. Didn't even mess with caps off my stock motor . Just left selenoids there and installed engin since I thought if messing with selenoids would cause a leak.
@@adriancoss8916 I am not for sure on how the vehicle would run, with the MDS solenoids installed, but not wired up? Like I replied o before, non MDS, has a little different cam, and four different lifters. The lifters associated with the MDS, are different. Are you getting any misfire codes or anything right now, when you say it does not run properly, what is happening?
@@wheelinoutwest hey thr I'm not getting any codes as it's running fine since me and fam Installed this motor and hasn't had the hemi tick yet but.. just I'm worried since it is a mds motor and the didn't tell me about that.. unless he opened it up and changed lifters and cam. But didn't mention it was mds and I didn't know till now. That's y selenoids are on top and my old motor was just with plastic caps. Guy who sold me it must of changed timing cover. And called it good. And I'm worried how mechanically if it's going to be ok just the way it is now. And I haven't took selenoids off to replace with block caps yet, due to being concerned if it is going to give me codes. So I've left it alone for now. Just worried about the mds thts internally and if it's going to function properly as far as lifters like your saying.
@@wheelinoutwest hey thr I'm not getting any codes as it's running fine since me and fam Installed this motor and hasn't had the hemi tick yet but.. just I'm worried since it is a mds motor and the didn't tell me about that.. unless he opened it up and changed lifters and cam. But didn't mention it was mds and I didn't know till now. That's y selenoids are on top and my old motor was just with plastic caps. Guy who sold me it must of changed timing cover. And called it good. And I'm worried how mechanically if it's going to be ok just the way it is now. And I haven't took selenoids off to replace with block caps yet, due to being concerned if it is going to give me codes. So I've left it alone for now. Just worried about the mds thts internally and if it's going to function properly as far as lifters like your saying.
Watch reignited video when he installs heads on the 5.7. He talks about making sure the Push rods are seated correctly in the lifter and at the rocker.
I just disabled MDS on my 08 5.7 dodge ram 1500 with a superchips tuner as it started knocking and lagging even more when MDS kicked in (probably failing solenoids). The engine seems to run smoother than it ever has, MDS was always rough and a bit of a jolt....seemed like it was poorly engineered. Am I missing something by not physically deleting the system or is just disabling with software enough?
A lot of people say you can just disable the mds electronically, but in my case, the engine already had internal damage, so it had to get new cams anyway.
Hey what’s up , I have a 2012 ram 1500 5.7 , had the same issue with the MDS system, I did replace the liffters and cam shaft, use a non MDS lifters with the original cam shaft (buy new one from mopar) and u just need to turn off the MDS system with a Diablo tune, take out the solenoids that activate the MDS and use plugs (buy in amazon or eBay) locate on top off the block ( below the intake) and it should run just fine ( turn off the MDS system before replace the parts) I hope this information helps u
I got a 2006 Jeep Grand Cherokee with the 5.7 Hemi. I’m not misfiring and the car is running good but I got a check engine for a Cylinder Bank 1 Deactivation (the MDS Solenoid) should I replace all the solenoids?
If you are pulling the intake and replacing one, you might as well replace them all. They do not come out easy, and require some effort, the plastic becomes fragile, and they break apart.
I would run an engine oil cleaner, change the oil and filter and run with the new oil for awhile to see if the code comes back. The solenoids can get clogged and will be slow to deactivate. I would even change the oil twice before attempting to change the solenoids.
I’m doing the same job and having the same issues and I’m currently checking the pushrods. Once you put thr rocker arm on do you have any gaps/loose rockers? I figure mine aren’t primed yet but that’s what I’m finding. Minus making sure I have the rods slipped into the lifters
I was considering buying this kit. I'm afraid it will interfere with smog regulations in California. Will the check engine light stay on with this kit?
No, you turn off the mds with the controller supplied with the kit, and you do not get a check engine light. I am not sure about passing emissions with the kit?
The kit is great, you just have to pay extra attention to the timing, which is easy if you pull the oil pump. Also make sure all the pushrods are sitting in place. The goal of the video was to help anyone who has an issue with idle after the install, on what problems it could be. Good luck!
Great video..your problem was the rear push rod was in the oil hole not the lifter hole.. the holes are right next to each other. I did it myself I had to take a pic with phone to see it back there.. I'm working on a 5.7 hemi Cam replacement.(wore lobe on number 5 intake ) installed a Comp Cam, started it up ran great until it warmed up... then it snapped the camshaft doll pin.. replaced all the valves and put it back together thinking it was an oil pressure issue oil pump not pumping. installed a new pump and oil pressure was good after priming the engine and pump. started right up.. warmed up and snapped the cam pin again.. any thoughts?
That’s interesting, if the cam pin is breaking, something is not happy🤔. These motors are pretty picky about timing, so if it was running good, but still broke a pin, I am not sure.
Did you put a Hellcat oil pump in it? I have been told that if you ever get to the oil pump on a 5.7 hemi to alway pump the better Hellcat oil pump in. The Hellcat oil pump helps with the lack of oil volume at idle. I will most definitely upgrade my pump if I have to tear down the front of the engine.
Two questions: did you disassemble the rocker assemblies for cleaning? Did you know the rocker SHAFTS have a particular orientation to ensure proper oiling?
How much do you spend with that tracing kit I'm thinking about replacing my cam cuz I'm having problem with the lifters too and I'm going to do the same work that you did to your car
I took my time with it, and really cleaned the heads well, plus I was working with my niece and had her removing bolts, etc. I think it could be done in a long weekend. The problem is the getting to certain bolts, that are time consuming to pull off. Because I ran into issues, it took me a lot longer than it should have.
Sorry if it was not clear, the pushrod was not seated correctly, so the valve was not opening. I pulled off the rocker assembly put it all back together and it worked great.
I had the same problem when I replaced athena cam in my Ram but with # 3. The head design makes it really easy to put the pushrod in the wrong position so that it isn't seated in the lifter but is in a crevice of the head itself. After you torque down the rocker, it will hold the valve open.
I used the Diablosport tuner, and it is able to shut off the mds on any PCM, mine was not unlocked. But you should verify with Diablosport to make sure it would work for you.
The reason I replaced them, was because the bad lifter took out the cam lobe, so I had to tear into everything anyway, so it was a good time to replace it all anyway.
I had that ( 0 psi and then great comp ) happen on another type of engine. The seat was falling out and holding the valve open then it go right back where it came from and run fine for a little while.
Yes, you just take the middle bolt out, and it all comes off as one assembly. I installed it on the new cam, it only fits one way, then install and torque to spec.
Mine is good cold, but warm at idle runs around 16. Prolly gonna do the hellcat pump when I do the mds delete cam and lifter swap. Supposedly it fixes the low volume/pressure at idle, but my rings might be getting worn a bit but not really interested in a full rebuild just yet
Absolutely a great video. I'm in the middle of this job (2011 Charger R/T w/VVT). Thank you for the tips! I do have one question. When I install the MDS Solenoid "block-offs." what did you do with the existing harness? Just leave them unplugged sitting above the block? Appreciate any advice. Thank you!
How are you? How is the mds delete cam and lifters gleaning for you now? I have a 2014 chrysler 300s and my cam and liters need replaced. I was told to buy mopar but I don’t want to go thru this again so I’m asking should I just by the set of non mds cam and lifters ?
Things are good, the vehicle is back at my brother in laws, but last I heard it’s still hood. I think it worth doing, as long as the bottom end of the motor is still good, which it should be.
Was looking at a TSP delete kit but went with a tuner to just see what it does. I used a Diablotuner and within 15 minutes, lost oil pressure. This on the highway. Luckily i was flying and was able to maintain speed and got off. Ima chedk out if i have a pushrod issue as I'm getting cammed soon but man, losing pressure on the highway was freaky
That’s not good, losing oil pressure would most likely be a larger mechanical issue. So all you did was hook up a tuner, and while driving lost oil pressure?
@@wheelinoutwest yeah. The ECO model light would come on as if it was going to drop to 4 cylinders, but it never did. So I figured, maybe just the light comes on still but after hitting 95ish, I let off on the gas and it attempted to drop to 4 but it didn't. It wouldn't accelerate anymore either. Since I was a decent speed, I was able to cruise to an exit but when it dropped to a lower gear, I was able to accelerate but only briefly. I also thought it was something major. Maybe a pushrod or something from me driving like a jackass all the time. I plugged the tuner back in, got rid of the MDS delete option and, back to "normal." I'm thinking there is more going on too but the tuner didn't pick up any faults of codes when plugged in.
@@wheelinoutwest I wish I recorded it as I've been just documenting the build of this heavy ass car but the the phone was the last thing in my mind. I didn't even want to call my wife. She'd be pissed I ran through another car. Lol. Did take a pic displaying Zero pressure on the gauges tho.Felt like the car was fighting the tuners code. Mechanical vs electrical struggle type.
I have a 2005 WK with the Hemi 5.7. I’m not having any issue with the engine , runs perfectly. But was wondering if my engine has this MDS system ? How would I know ? Thanks.
It came out around 2005, if it has mds it would have a different cam, etc. you would have to remove the intake, and look at the valley, to see if it has the block off plugs, or the mds solenoids.
@@wheelinoutwest well I guess I’ll never know, I’m not taking off the intake. My Jeep runs perfect, I don’t want to mess with it. I’m going to take my VIN number to the dealer and see if they can tell me. Thanks.
I need help i have a 2012 charger pursuit i want to put a stage 3 tsp cam it tells me to get a mds delete but i dont know what do i need and what i dont
The mds delete is a kit, that removes the solenoids for operating the mds, and replaces the cam, lifters, etc. the kit is pretty reasonable from AMS racing.
I have a 2016 Challenger 5.7 with 40 k miles with no hemi tick runs great. My 2005 Chrysler 300 5.7 has 180 k runs perfect no hemi tick. My 2006 Ram 1500 with 5.7 has 280 k no hemi tick runs perfect. Truck works hard and it idles a lot. One winter when it had alternator issues i left it idle between trips for 4 days until the parts came in. I dont baby this trick at all, no warmups, pulling trailer alot daily driver etc. I am pretty strict on 3-4 thousand mile oil changes with the Challenger and 300. The ram i seldom change oil as its just a beater. My biggest question is why does my 300 get solid 21 mpg and the ram struggle to get 12. The weight is within a couple hundred pounds and i drive the Ram much easier just because of mileage..... Great video i may some day do the delete on the Challenger
The problem was the pushrod was not seated properly back near the firewall cylinder, so the valve was not opening. It’s easy to misplace the pushrod on these.
I'm able to disable MDS by using manual mode on my shifter. Once rolling, I use manual shift to shift down a few gears, then back to 6. That disables MDS...
Thank-you big help.. I just got my 2014 5.7 hemi 1500 new engine kit. My mechanic abandoned the Job. 2 years know still not running? With your info. I'm going to take on the task. Thank-you much.
When you deleted the MDS did you have to connect the MDS connectors from the harness to anything to keep the engine from throwing codes? Or did you just leave them disconnected under the intake?
You can try to secure them off to the side, but I just left them disconnected. I turned off the MDS on the Diablosport tuner, and have not received a code.
Best way to check that all push rods are set is to just turn the motor over by hand when you have the rockers arms tighten… watch and make sure every exhaust and intake valve moves up and down. 4 rotations should put your cam timeing mark and #1 piston top dead center.
Hi All, I have questions and thank you in advance to all that respond. So I also brought the same kit my questions is do I have to use it to delete the MDS or I can keep the original solenoids in and use the MDS delete cam and lifter the way that it is without deleting the MDS or is the cam and lifers in this kit a special type only used for deleting the MDS? Also I have 2014 Ram1500 I replaced this and my Ram won’t start.. smh
I would replace the soloenoids with the block off, the solenoids activate the mds, if you leave them in, I would be worried they could starve the lifter of oil.
@@wheelinoutwest Thank you WOW, I have done so not sure why it won’t start thinking timing chain at this point.. Also getting a lot of error codes P3434 P3401 P2323.
@@rolankelly9683 sounds similar to what I ran into, if you have a compression tester, I would check each cylinder while cranking it. That is how I found one of the pushrods was not seated.
Just a tip when doing this amount of work it takes maybe a hour if you move fast to pull the motor and trans together out the top helps a lot when doing big jobs like this to just have it out in the open
I agree it’s best out of the vehicle, which I typically do when I am working on the bottom end. However, this motor in a grand Cherokee is very tight, the bolts to the trans are a huge pita to get to. I dident feel the extra effort to pull it completely out, was worth it for this project.
Thank you for posting this video. I did a MDS delete due to a damaged cam and after fitting the kit, I had problems getting her to run. Very rough running and unable to idle. I thought that I must’ve had a bad vacuum leak, so I removed the intake manifold and double checked that the individual intake gaskets hadn’t dislodged from their position.
I then remembered viewing you video several months ago when I was doing some research. I couldn’t remember the conclusion so looked back through my history and found it. So glad I did as I followed your course and compression tested each cylinder. Low and behold, number one had zero compression. Long story short, my 5.7 is an a JK Wrangler and the fit is fairly tight, that tight, due to AC lines, the only way to remove the rocker cover is by removing the alternator, power steer pump and radiator and sliding the cover forward and out. So when I installed the pushrods, I hadn’t seated one in the lifter, causing my issue. But due to your video, you saved me time and a lot of aggravation and assisted me in sorting it out. Many thanks again.🍺
That’s awesome! I am glad this helped you out! Thanks for the comment!
Started the MDS delete on my brother's hemi last night. Glad I watched this video. When I get the valve covers on I'm going to do a compression test on all cylinders just so I don't have to backtrack. Thanks for the video.
Did you replace cam bearings
Thanks for the trouble shooting tips man. It’s always nice when people show the real world problems you run into when taking on these kinds of projects. It’s never self explanatory. Lol. I have a 2014 ram 1500. I found that it’s the pushrods not seating properly on the intake side, so they slip out of the seat once the engine rotated over. Luckily I manually turned the engine over and found that the #3 cylinder pushrod slipped out so no harm no foul, but I definitely would have had the same idoling issue if I tried running it. Thanks again for the post! Really helped me to avoid those pitfalls before I started.
Thanks for the feedback, multiple others have stated having the same issue as well, so I am glad that you got something from it!
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
Don't feel bad. Due to the way the lifters and pushrods lay almost horizontal, they almost NEVER want to stay in the cups and where they are supposed to during assembly. 95% of the time when a hemi of that type is put together and everything was fine but now it won't run.... its what you ran into. And the back cylinders are the usual culprits because it's hard to see, like you said. Your advice was also spot on. I compression test every motor once the valve train is assembled to double check for just that. About a quarter of the time when I first crank it... I'll hear a loud "TINK" as one of the pushrods slips either INto or OUT of the cup. Lol.
Thanks for the info! That’s good to know!
How come no check engine light for a misfire when this happens??
That's crazy to go through all of that to disable MDS... Like a lot of things, Chrysler should have given the owner the option to disable MDS with a simple switch.
There are small things people do with Tow/Haul mode and such that people claim with turn off ads while driving. You can also turn it off with a tuner, in my case the cam was already damaged, so I did the delete while in there.
A Pulsar in line engine tuner gives the option to turn off tat 4cylinder option and it just plugs straight in
I Have an in-line engine tuner that turns it off but it was not cheap (Pulsar)
There are easy ways to disable it such as tow/haul or using the gear limiter. However, the main issue with doing that is that it doesn't address the oiling issue, especially at idle. By removing the solenoids, it increases the oil flow and pressure to the lifters 100% of the time. With the mds, the higher pressure is only applied to the lifters during mds activation which is what causes them to work.
@@secretdad544 l
Thank you for taking the time to share that information I have considered purchasing a modern hemi truck but intend to delete the MDS right away before any issues arise.
I hope it was helpful.
@@wheelinoutwest It was, I’ve been avoiding newer Mopar gas engines for a while because of the horrific reputation of MDS so I stuck with Diesels. But I wanted a lighter commuter and heard you could delete MDS. No one else covered the lessons learned with this swap. So once again thanks!
I have an Aspen with the 5.7, and have 260k on it; I rebuilt it looking for the lifter/ cam issue, and all the parts inside looked practically new. Just wanted to let everyone know that this is the easiest motor I’ve ever worked on. I will drive this until it rusts into the ground. Motor is a beast. What other suv can tow 8000 pounds
Thanks for sharing, I agree they are a good motor.
the new RT Durango with Tow N Go package can tow 8700 Pounds
I have a 07 also I'm slowly working on
I have a 09 ram 1500 5.7 over 300000 never had a bolt turned on it.
I just bought a 09 aspen what all did you get to rebuild it the engine I wanna kick some dust up 🙂
Thanks! A lot of good info here. I will also add/reinforce: The problem is, the engine oil may get old without you realizing, and then... Change the engine oil no more than 4k, regardless of "oil life" reading. Also be mindful of the operating hours as this will further break the oil on a "low mile" service interval if it has mostly idling. Consider 200 hours to be the limit here. Use premium oil and filters. Do this and your Hemi's lifters/cam will last well past 200k, regardless of when it was built. The sooner you are able to do this, the better. This is even MORE important on a higher mileage engine, which will require even shorter oil change intervals as the rate of oil contamination increases.
Thanks for Sharing, increased oil changes can never hurt.
@@frivera735 To be clear, you have a misfire, and you are planning to just do the tuner, or the entire delete kit. The reason I ask, if you have a misfire, you may already have to do mechanical work, the cam may be damaged. I change oil by the manufacturers recommendations, but changing it early can never hurt anything.
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
Been using Amsoil Signature 0w -20 and found it runs well with high oil pressure
Oil was expensive so going to run out to 20,000 km and do
An oil sample Test kit (komatsu do them for $40 they analyse the oil for contaminants)
I fitted the hellcat high volume oil pump and I feel from the engine lack of valve train noise it’s still lubricating well after 10,000 country highway kilometres
changing every 5000km is a good idea but I am going to use top quality Amsoil signature low viscosity oil and just see how far I can safely go before a hint of valve train noise or 20,000km whichever comes first
Good job man! All part of wrench. Keeping it simple and going back to basic is always the smart place to start.
Thanks for the comment!
I just completed a 2009 VCT 5.7 VCT delete and added a distributor drive gear to a 2006 timing chain set to drive A GM distributor. Installed the older now modified chain set , a GM distributor with ford 4.2 v6 drive gears and had to fix the lifters. If you take out the bad lifters ( ones with loose rollers, not locked up) and press out the roller pin, you'll notice part of the pin is worn down but the roller and needles are fine....usually. Find some GM 3.8L series 2 v6 roller lifters and press the pins out of them to replace the bad ones on the hemi. Im a cheap ass and find a way around shelling out $400+ on lifters, Ford 3.0L V6 OHV roller lifters have the same pins. If needles are damaged, swap out the pin and rollers as well, they fit the hemi lifters. Sub merge lifter in oil and pump them up before install, this will prevent bending pushrods, and they are also different lengths so watch out.
I've done this also on a 2010 ram 1500 5.7, to remove the mds solenoids cut a small piece of 2x4 or whatever small scrap wood you have and place the end on the top of the solenoid and lightly tap the opposite end of the wood with a hammer, the solenoids will then turn and slide out super easy with absolutely no damage!
Thanks for sharing.
Reignite youtube videos really stresses about how hard it is to get the push rod in the rockers. Great video, thank you.
Thats good to know, there have been quite a few people have this same issue, hopefully it helps someone going through a similar issue.
Thanks a lot. Was having huge issues after replacing camshaft and lifters . Couldn’t figure out why it wouldn’t idle. I was just about to tear it all apart but decided to check the push rods. Sure enough the push rod wasn’t seated correctly. Instant fix
That is awesome to hear it worked for you as well!!
@ i was at my wits end when I heard you mention the idling problem… sure enough the #7 pushrod wasn’t seated properly
These engines are very tricky to align the push rod up because they lay so horizontal and not much to hold them in place well, that combined with it being shaft mounted rockers trying to make sure they all stay in place at the same time. I did see people make “holders” with rubber hose with a slit in it over the push rod then peel it off after the rockers are on.
Thanks for the input, the holders would be a great idea!!
I tried the rubber fuel line holders...didn't work too well, so I simply tightened and kept checking and repositioning the rods as I went along until they didn't pop out and the rockers were on tight.
@@DL101ca yeah it’s not fun anyway you do it really. If I ever have to do one again I’m lifting the cab off the truck to work on the engine. It don’t take long and the A/C can stay connected. Given you have a hoist. It’s worth me being able to see what I’m doing better. Plus the rads and fans suck to mess with one less thing of you lift the cab
Good video. Well done. Congrats on the repair.
Thanks!
Thankyou..... I got a ? Will the remote start work if you delete a 08 dodge 1500 5.7 any advise is greatly appreciated 👍
I cant say for sure, but I don’t know how this could affect the remote start? The delete is Purely mechanical, then you turn the mds off in the computer. It should not affect the remote start.
I have done three hemis this month due to needle bearing failure on the lifter and wiping out the cam but I have never seen one bend a pushrod just the valve not Opening.
Thats interesting, thanks for sharing.
I tore mine apart today. Bad lifter and damaged cam. Hope I can get it all back up and running
We were able to get ours running, so there is still hope for yours! Good luck!
How did it go Zeke? I'm not too far away from diving in
@@Spoofaged it was honestly not bad. I was really impressed how easy it was to work on this engine. It is up and running. Just getting all the parts in was the pain. Sent the heads off to get redone. Installed everything and it’s running. I was about 1500 bucks in. Hope it last at least another 20k miles lol. Good luck
@@zekemontgomery6678 that's good to hear. I made mine a bit easier to work on when I put the electric fan in. Freed up a ton of room and actually cools when I'm sitting in traffic again, so win win. Putting some shorty headers in today to get rid of the exhaust leak so I can actually hear how bad mine is. Trying to squeeze another month or 2 out of it so when I go to do it, it's not 100 degrees outside
Hey, I had to do the same thing on a 2013 ram and it was my first time doing it and I have few videos out on youtube the problem ran into is the handheld tuner
Interesting, thanks for sharing.
Thanks For The Video Man!! Definitely very helpful pointers and troubleshooting tips.
Glad you found it helpful!
It was helpful. 2nd time I've seen the exact same problem . I will know to make sure the push rods are seated properly. Especially that area.
Thanks for the comment, glad it was helpful!
Thanks man for the tips, greatly appreciated, looking forward to seeing more..
Thanks for watching!
@@wheelinoutwest your welcome very much
Thanks for posting this, I thought I was the only guy that got to do some of my engine work twice!! Nice! on not quitting the build and getting it done!! Got a P1416 code on my GC been parked since it started acting up but now it is time to get her done! H2O pump ,T stat and MDS 6 Just might consider the delete kit!
Nice, good luck with your project, I wouldn’t hesitate doing it again, if I found another hemi that needed it.
If did the mds delete and installed a non-mds cam should i replace my pushrod length ?
I did not change the pushrod length, the cam just changes the timing for the valves a little.
@@wheelinoutwest so it means that i just should order the mds delete kit with cam and lifter and mds delete plugs thats it ?
Did this kit seem to add horsepower as well. Looking into this kit, figured if I camming it, might as well put a nice one in.
No, it does have some different tunes, but I just kept it all on the 87 octane tune. There is a tune for 91, but am not sure if it adds much HP.
I'm about to do this same job on my 2010 Ram 1500, I thought I just had a simple exhaust leak because I had broken bolts on my exhaust manifold. But nope, my Hemi has the tick. So I will be sure to ensure my timing sprocket is at the 12 with #1 being at TDC, and to ensure my push rods are seated all the way. All good info to have when doing this job yourself
Good luck with your project!
Man get it checked first. This cam issue is blown waaaay the hell out of proportion . There are many well documented high mileage hemi rams .
Sounds like you got the pushrod into a little crevasse beside the lifter bore instead of seated into the lifter. Very easy to do on the intake pushrods. Very important to turn it over by hand to verify everything's moving how it should.
I agree, it was easy to put in the wrong place. I did turn it by hand, but this was the furthest back lifter, near the firewall, and I did not notice it.
@@wheelinoutwest well, glad it all worked out
It’s early life failure of lifter tiny roller needle bearings on gen3 Hemi. Designated PN ending in AA. Lifters were revised to AB with beefed up thicker needle bearings, then followed by AC revision from different supplier. AA lifter roller bearing failure and subsequent cam lobe wipe can happen to MDS and non MDS variants. MDS is not the issue or cause lifter failure. Missfire code is due to valve no longer opening sufficiently to create a combustion.
Good insight, I mentioned as well, I have heard people say the same thing, this can be MDS or non MDS. But if your working on a MDS, you might as well delete it at the same time.
@@wheelinoutwest sure, if your working that deep into engine makes sense, but simple method is to disable MDS in software permanently though if the lifters are AA early Gen3 upto 2015, lifter rollers are ticking time bombs no matter how great servicing has been or how vehicle is driven.
So, it's a roller needle bearing issue? If so many are having this issue. I'm amazed there has yet to be a huge recall.
@@billhoman694 don’t have failure numbers. FCA won’t release numbers. Won’t be recall since it’s not life threatening or safety concern.
If I was to take a guess.....any 3rd Gen VVT Hemi 2011 to 2015 with AA lifters with little needle bearings would likely have early failure no matter how well kept and easily driven, doesn’t stop the inevitable. FCA generally accept issue is rife and in cases have been known to replace engine when it fails with this symptom. Personally it would have been cheaper to issue technical bulletin on lifter issue and have dealer servicing replace lifters with stronger AC ones to mitigate the weakness.
@@billhoman694 Yeah, it typically in pretty high mileage vehicles from what I understand, over 100,000 miles. Mine had almost 130,000.
You don't need to remove the oil pan to remove the oil pump. After unscrewing the pump, just turn it and unscrew the pickup tube. Just be careful that the screw and the O-ring do not fall into the oil pan. This is also described in the service manual for this engine.
I tried that first, but I could not get the bolt on the pick up tube off, that's hard to get to without dropping the pan.
@@wheelinoutwest next time, use a 13 wrench. If you have to do this again, come to my page
It's almost impossible on the truck version. They say there are extras hold downs on the pick up tube. On mine you can not slide oil pump left or right. Even with the chain guards out.
It's because when you disable the MDS, the lifter ports with the MDS lifters are now not pressurized causing poor lifter/roller lubrication and rubes down the cam and can cause a bent pushrod.....
@@63crosenberger Reinstalling is the issue if you don't take off the oil pan. You can get the oil pickup bolt off the oil pump by turning the pump clockwise, but getting it back on to thread and tighten is a test of patience , dexterity and creativity. I used fishing line on my bolt coiled counter clockwise on the threads, used my finger to hold in place and pulled on the fishing line to spin the bolt and get it started on the threads of the oil pump.
Good evening, my name is Alessandro Zanardi and I live in Italy, I have a RAM 1500 LARAMIE from 2018 with HEMI 5.7 motor, I would like to know if among your customers you have encountered oil pressure problems that go intermittently and breakage of the oil pump and motor due to low oil pressure. My RAM traveled about 80,000km and broke overnight.
Can you give me some information if this engine has similar problems and what are the solutions to eliminate them?
In Italy there are no capable mechanics like you in the USA.
Thanks for your help.
Sorry to hear about your issues. An oil pump failure, can cause catastrophic damage to your engine, if the engine was run for any length of time after the failure. It could have damaged every component in your engine, and in that case, you may need a new motor. However, with out running some tests, it is hard to say. This video is more about deleting the MDS system, and some issue I ran into while doing so.
Put a 6.2 hellcat engine spec oil pump in. It’s higher volume at idle - pressure is OK just the volume of oil is the issue at idle.
Hemi engines left to idle for long periods like in Police cars etc seem to have a lack of oil volume at idle.
There is a solution
MOPAR Part numbers:
6.2 Supercharged Hemi Helcat Oil pump is higher volume than the standard hemi 5.7 oil pump
High VOLUME oil Pump (not high Pressure)
68195993AD
High Volume Oil Pump
53020861
oil pick up o ring
You will need the oring to seal the oil pick up.
Drop the sump as low as you can at the front to reveal the oil pump
Unbolt the sump and lower it down as much as you can
and turn pump to the side as you remove it
Use a new Oring and don’t drop the old Oring or the bolts into the sump or you are in a world of pain…
This is what people should do as soon as they buy a new RAM1500 with 5.7 hemi
So is it possible to delete the MDS without the tuner?
I don't know of a way to delete it without the tuner, but some other people have stated in the comments here, that you can turn it off other ways.
Yeah and you went about it the right way to you didn't have to take a bunch of unnecessary s*** off good job diagnosing
Thanks, I appreciate it!
Did the filter stop all the metal from going through the motor
I believe it did a good job catching it. Its been a few months of daily use, and the oil looks good, and the motor runs smooth.
DID YOU HAVE TO PLUG THE CONNECTORS IN SOMEWHERE THAT CAME OFF THE MDS ?
I just left them unplugged, and zip tied them to secure them to something.
What changes does the hardware kit make, and doesn’t just disabling the MDS in a tuner accomplish the same thing? Really curious as when I had a supercharger put on my 5.7L Hemi, they just did the MDS disable in the tuner.
You actually remove the ads solenoids, so it cannot activate, and replace the cam, with a non Mds cam, and all new lifters. You can deactivate the MDS through a tuner, but in my case, I already had to replace all these components due to a lifter failure anyway.
@@wheelinoutwest gotcha 👍🏻
So I already bought the lifters and cam with mds ones and then learned about deleting it can I replace the silonouds with plugs and turn it off with tunner without getting non mds lifters and camshaft?
@@leeedelman4289 Hey there, sorry in advance for the long post, but for completeness - I recently did a top-end rebuild in my 6.4. Same lifters and MDS system in both the 5.7 and 6.4, I have photos I can show you to back these facts that are a possible point of failure. I would strongly recommend NOT putting the MDS lifter in the engine with MDS turned off in the tuner. Here is why:
Look at your MDS lifters and compare to a non MDS lifter. The pin you see in the side of the MDS unit is mechanical actuator for the MDS system. When MDS is activated that pin is collapsed into the inner core of the lifter, this disengages the outer body of the MDS lifter with the inner core of the lifter. The outer body has the roller on the cam and the inner core seats the push rod. This pin-disconnect is the location for mechanical engagement or disengagment of MDS system.
The pin is collapsed to the inner core when Oil pressure pushes on the pin - MDS on. Remove oil pressure from the pin and a small spring inside the lifter (NOT valve spring but a tiny lifter spring) returns the pin to its home position with only this tiny lifter spring pressure (again this is NOT valve spring pressure, but tiny lifter spring pressure) - MDS off.
MDS is only activated during lower RPM situations, roughly 2500 rpm and lower, ish. It is an economy mode driving situation. One reason for low rpm operation is at higher rpm the roller has a much harder time staying in contact with the cam lobe profile (this would be true for any lifter). After peak lift, the lifter must change direction very quickly in a very short distance to maintain contact with the cam lobe, The only way this happens is through the incredible strong force of the VALVE spring pushing back on the lifter (through the rocker arm and pushrod). VALVE Spring pressure is God in the valve train.
When the MDS is active, the MDS lifter is disconnected at that pin location. This means the lifter roller is disconnected from VALVE spring pressure. If that pin can not or does not return to its home location then at higher rpm your roller is 'jumping' off the cam lobe just after peak lift. At 6000 rpm the lifter roller is experiencing peak lift 50 times per second. That's gonna kick the holy living flat spot into any anything, especially a needle bearing.
There is no feed back or sensors of any kind to tell the ECU that the pin is disconnected, other than a misfire code.
When the MDS system is cycling on and off these pins usually make it back to their home position, if it gets stuck it has a good chance of being freed on the next cycle, ( I suppose) ,at least a much better chance then if the MDS cycle has been deleted from the ECU operations.
How often could a pin really get left in the disconnected position waiting for tiny lifter spring pressure to return it home? I pulled my top end apart due to the sound of mad click one day after a good dose of spirited driving, a Hemi RAM 2500 out roll racing Audis) all eight of mine were out of position where the pin was misaligned with the hole in the outer body. some pins I could still see the pin end, others I thought the lifter had an oiling hole or some thing, pin is so far out of alignment I can't see the pin, all eight had misaligned pins and all it takes is one to trash your motor. (wont be instant catastrophic failure, you get a warning - sounds like...tick, tick,tick,tick, tick. Turn it off until you know what it is.)
This pin misalignment was due to me having the MDS system turned off in the tuner for 40k plus miles. I strongly recommend if your going to turn it off be thorough and remove MDS components in their entirety, or disable at the gear selector so it has chance to cycle.dd
I know lifters are expensive but the engine is way more expensive. Imagine this - no MDS anything in your Hemi, every time you start it, every time you pull into a drive thru, or drive downtown in your city, all you hear is the rumble of your exhaust, smooth and lopey exhaust no matter what rpm! no tick, no worries, just the beautiful sound of 11mpg. Nothing is so badass, nothing in my world any way! (referring to the exhaust note, the 11 mpg sucks, I just dont look! ok really its 10.4.............. and that's on the evic)
@@brett9736 Thanks for this long explanation. I have a 2016 Charger R/T. I just deleted the MDS with my Diablo Turner. After reading your comment, I believe your stating a tuner MDS delete can cause problems in the engine in the future. I will put the MDS back on. I assumed if I need the MDS off , O can always run vehicle in sports mode. It automatically disables MDS. Thanks for the info.
So when the compression problem was fixed the idle was back? The problem was compression?
Yes, the cylinder had no compression, because the push rod was not opening the valve.
@@wheelinoutwest ahhh ok thank you
@@wheelinoutwest do you know what was causing the push rod to not open the valve?
Hey I have a 2012 Chrysler 300c and I have y swap my cam and lifters but some metal came out the oil you think it’s still a good idea to cam swap it and send it or just get a new engine ?
Hi Jake, to be clear, you already have swapped out the cam and lifters, or you were going to? If you look at my Cam in the video, it was wore down pretty bad, when it wears down the metal would end up in your engine, and hopefully the filter catches it, before going through the bearings. Its hard to say if it caused any other damage with out taking the engine apart and having a good look at it.
@@wheelinoutwest hey I haven’t changed the cam or the lifters yet cause that’s what failed, I took out my mds solenoids and they are clean also I took out my vvt solenoid and it’s also clean, I am going to take out my oil pan to check it out, I am thinking of just flushing out the engine and putting a new cam and lifters in it. Is that a good idea or just get a new motor ?
@@jakebowmen764 What you listed is what I did, and it has been working just fine. After I ran mine for a few miles, I changed the oil filter again, and then changed it again after a few months. Mine has been working fine, my niece uses it to commute around town. The MDS kit is pretty reasonable, and I also changed the water pump, battery, harmonic balancer, serpentine belt and some other things, so it cost me in total around $2000. Crate motors are great, but they seem to range from around 4 to 7 K, and used motors could have the same issue. I guess it depends on how much you want to spend, but my bottom end on the motor did not seem to be damaged.
@@wheelinoutwest Thank you!
Do you have the Part # of the Kit you bought? Thanks for the video.
So does the timing have to be messed with to change the cam?
Yes, you just put it back to the stock location, which is pretty easy once you read the manual, or watch a video.
Thanks for the replay one last question if I take off the passenger head can I check the cam from there to look for damage or is it hidden? I am more of a body man than mechanic
Can I inspect the cam when I take off the passenger side head?
Hello, I have a question, my friend. What is the order of installation of the lifters without MDS? I know that with MDS the lifters have a specific order, but I have a question about how they work without the MDS! If you know of any video of how the installation works without MDS, I would appreciate it. I want to do this project and that is the only information I cannot find. Thank you and I hope you can help me.
I am not aware of any order of lifter installation.
Yes, with the mds there is only one way to position the lifters. That's why I'm looking for information about without the mds, it seems that they don't have a specific position. I've looked for information about this and I can't find any. Thank you very much for responding and I'm glad you were able to get your truck running.
Thanks good job yes if you fix an engine that deep you are a mechanic 👍
Thanks, appreciate it!
This bloke a true MOPAR lover even his moustache is the letter M for MOPAR
I would say I like Chevy and mopar about the same, I even have a ford truck.
Cheapest way to avoid this on a 5.7 hemi is to replace the mds solenoids with new ones and then use a tuner to disable it on the system. That way you don't need to change anything. I suggest replacing the mds solenoids so you don't risk lifter failure in the future.
Yes, I read that. That disabling MDS keeps RPMS higher offering more lube to the lifters thus no lifter failure. I also read that MOST of the lifter damage is caused by idling for long periods of time.
My Uncle works for Ford but they do work on police Chargers all the time as well. He told me they had many lifter failures and cam wear (due to idling so often) but they damn near cured the issue simply by adding Lucas Oil lubricant to their oil. It raises oil pressure a bit (even at idle), and reduces wear on the cam and lifters. Ive got a 2020 Charger with 38k miles and will definitely add the Lucal Oil lubricant in my next oil change.
@@NickB1121 how much do you add?
@@309cars I add half a quart at each oil change. 6 and a half quarts Castro full synthetic and half quart of Lucas Oil supplement.
@@NickB1121 Lucas is junk. Sorry. It is just a thickener no real additional additives
With the AMS kit you used what lifters did you go with?
Sorry for the late reply, I don’t recall.
By deleting the mds selenoids and replacing with block caps is it good to go or do I need to worry about doing a non mds cam and also non mds lifters ? I'm sort of lost here. . Well I got an 05 ram 4x4 but got a donor motor of who knows where which is out of my comprehension on what's yrs. And models these mds hemis were introduced. Guy who sold me motor was not completely honest and mabey changed the timeing cover, Anyhow the donor motor which was put in has selenoids on top with harness but obviously my 05 ram has no plug in for that bit so no I'm just worried and do not want to go through another motor or get that hemi tick due to bad lifters grinded cam ect.
Advice please.. this truck does not run the way it should
Would I have to do non mds cam and non mds lifters.. since I my truck doesn't have plug in for selenoids harness, which if it did I would get a tuner and shut it off.. or you think since mds is not connected it will run ok. Just worried lifters will not work properly and will start to chew up the cam. Not sure how motor s working since it's not plugged in. I took the harness off and didn't think anything of it. Didn't even mess with caps off my stock motor . Just left selenoids there and installed engin since I thought if messing with selenoids would cause a leak.
Yes, the cam and half of the lifters are different. Also, you need a tuner to turn off the MDS, so it does not try to run.
@@adriancoss8916 I am not for sure on how the vehicle would run, with the MDS solenoids installed, but not wired up? Like I replied o before, non MDS, has a little different cam, and four different lifters. The lifters associated with the MDS, are different. Are you getting any misfire codes or anything right now, when you say it does not run properly, what is happening?
@@wheelinoutwest hey thr I'm not getting any codes as it's running fine since me and fam Installed this motor and hasn't had the hemi tick yet but.. just I'm worried since it is a mds motor and the didn't tell me about that.. unless he opened it up and changed lifters and cam. But didn't mention it was mds and I didn't know till now. That's y selenoids are on top and my old motor was just with plastic caps. Guy who sold me it must of changed timing cover. And called it good. And I'm worried how mechanically if it's going to be ok just the way it is now. And I haven't took selenoids off to replace with block caps yet, due to being concerned if it is going to give me codes. So I've left it alone for now. Just worried about the mds thts internally and if it's going to function properly as far as lifters like your saying.
@@wheelinoutwest hey thr I'm not getting any codes as it's running fine since me and fam Installed this motor and hasn't had the hemi tick yet but.. just I'm worried since it is a mds motor and the didn't tell me about that.. unless he opened it up and changed lifters and cam. But didn't mention it was mds and I didn't know till now. That's y selenoids are on top and my old motor was just with plastic caps. Guy who sold me it must of changed timing cover. And called it good. And I'm worried how mechanically if it's going to be ok just the way it is now. And I haven't took selenoids off to replace with block caps yet, due to being concerned if it is going to give me codes. So I've left it alone for now. Just worried about the mds thts internally and if it's going to function properly as far as lifters like your saying.
Thanks you for the lessons learned. Very helpful as it is a bear to pull all of the timing off.
Thanks, glad it was helpful!
Awesome to hear it works, going to try this kit in my Ram now that the cams gone
How did it go?
Ended up just replacing with MDS cam kit from enginetech so far so good, big job though took me 4 days !
Very nice! Thanks for sharing! I'm thinking on doing this to an older Jeep I ran across
Glad you found it helpful!
Watch reignited video when he installs heads on the 5.7. He talks about making sure the Push rods are seated correctly in the lifter and at the rocker.
I just disabled MDS on my 08 5.7 dodge ram 1500 with a superchips tuner as it started knocking and lagging even more when MDS kicked in (probably failing solenoids). The engine seems to run smoother than it ever has, MDS was always rough and a bit of a jolt....seemed like it was poorly engineered. Am I missing something by not physically deleting the system or is just disabling with software enough?
A lot of people say you can just disable the mds electronically, but in my case, the engine already had internal damage, so it had to get new cams anyway.
Thank you for posting this!
Thanks for watching!
Definitely gained a subscriber!! Thank you for the help!!
Thank you, glad you found it helpful!
@@wheelinoutwestyou’re welcome
I heard you can use non mds lifters with MDs cam just need tune/programming ??
Hey what’s up , I have a 2012 ram 1500 5.7 , had the same issue with the MDS system, I did replace the liffters and cam shaft, use a non MDS lifters with the original cam shaft (buy new one from mopar) and u just need to turn off the MDS system with a Diablo tune, take out the solenoids that activate the MDS and use plugs (buy in amazon or eBay) locate on top off the block ( below the intake) and it should run just fine ( turn off the MDS system before replace the parts) I hope this information helps u
Not sure, but I would think you would have to delete the mds solenoids as well, hence the tune.
I got a 2006 Jeep Grand Cherokee with the 5.7 Hemi. I’m not misfiring and the car is running good but I got a check engine for a Cylinder Bank 1 Deactivation (the MDS Solenoid) should I replace all the solenoids?
If you are pulling the intake and replacing one, you might as well replace them all. They do not come out easy, and require some effort, the plastic becomes fragile, and they break apart.
I would run an engine oil cleaner, change the oil and filter and run with the new oil for awhile to see if the code comes back. The solenoids can get clogged and will be slow to deactivate. I would even change the oil twice before attempting to change the solenoids.
I’m doing the same job and having the same issues and I’m currently checking the pushrods. Once you put thr rocker arm on do you have any gaps/loose rockers? I figure mine aren’t primed yet but that’s what I’m finding. Minus making sure I have the rods slipped into the lifters
I don’t think there are gaps, but there may be a little play, cranking the motor over by hand helps too.
I was considering buying this kit. I'm afraid it will interfere with smog regulations in California. Will the check engine light stay on with this kit?
No, you turn off the mds with the controller supplied with the kit, and you do not get a check engine light. I am not sure about passing emissions with the kit?
doing a MDS delete on my car with new “hellcat” lifters and non mds cam, can I disable the MDS through my Trinity T2? Or do I need a custom tune?
I am not familiar with the Trinity, I used the diablsport. It was very easy to shut off with the Diablo sport. I would do a quick search on google.
I'm a lil worried now I got this same kit and supposed to be getting it put on this week
The kit is great, you just have to pay extra attention to the timing, which is easy if you pull the oil pump. Also make sure all the pushrods are sitting in place. The goal of the video was to help anyone who has an issue with idle after the install, on what problems it could be. Good luck!
Great video..your problem was the rear push rod was in the oil hole not the lifter hole.. the holes are right next to each other. I did it myself I had to take a pic with phone to see it back there.. I'm working on a 5.7 hemi Cam replacement.(wore lobe on number 5 intake ) installed a Comp Cam, started it up ran great until it warmed up... then it snapped the camshaft doll pin.. replaced all the valves and put it back together thinking it was an oil pressure issue oil pump not pumping. installed a new pump and oil pressure was good after priming the engine and pump. started right up.. warmed up and snapped the cam pin again.. any thoughts?
That’s interesting, if the cam pin is breaking, something is not happy🤔. These motors are pretty picky about timing, so if it was running good, but still broke a pin, I am not sure.
Did you put a Hellcat oil pump in it? I have been told that if you ever get to the oil pump on a 5.7 hemi to alway pump the better Hellcat oil pump in. The Hellcat oil pump helps with the lack of oil volume at idle. I will most definitely upgrade my pump if I have to tear down the front of the engine.
No I did not, it sounds like it would be a good idea.
Two questions: did you disassemble the rocker assemblies for cleaning? Did you know the rocker SHAFTS have a particular orientation to ensure proper oiling?
Yes, I had read about that.
Hello, did you increase the oil pressure or left the original pump? Thank you
I left the original pump, but I should have at least replaced it.
The pressure can't be increased because the pump is crank driven. It has its own regulated pressure based on rpm
Great job. But how did you black-out the top section of the steering wheel? Looks way better than the wood effect, in my opinion
To be honest, someone else must have done that to the steering wheel, as I don’t think we did that.
Did it actually have that loping cam sound after putting the new cam in it?
No, it sounds really smooth, like stock.
How much do you spend with that tracing kit I'm thinking about replacing my cam cuz I'm having problem with the lifters too and I'm going to do the same work that you did to your car
I took my time with it, and really cleaned the heads well, plus I was working with my niece and had her removing bolts, etc. I think it could be done in a long weekend. The problem is the getting to certain bolts, that are time consuming to pull off. Because I ran into issues, it took me a lot longer than it should have.
So what really happened to that last cylinder what went wrong why you didn't have compression?
Sorry if it was not clear, the pushrod was not seated correctly, so the valve was not opening. I pulled off the rocker assembly put it all back together and it worked great.
@@wheelinoutwest thankyou so much for the onfo my friend
I had the same problem when I replaced athena cam in my Ram but with # 3. The head design makes it really easy to put the pushrod in the wrong position so that it isn't seated in the lifter but is in a crevice of the head itself. After you torque down the rocker, it will hold the valve open.
@@jamesthomas7977 Thanks for sharing! It seems like an easy thing to have happen!
Wow, I did the same thing. And took the same step as you did to pin point it, a compression test found it
Nice, glad you could find it!
So your saying it does work, ? I bought the solenoids and installed them worked for a few hours but then the vehicle started smoking and burning oil,
Thanks I'm about to do my magnum RT. Very helpful 😊
Glad you found it helpful!
Thanks for your video. Can you just use a tuner to shut MDS off?? I was told I need a unlocked PCM on my 2018 Charger 5.7.
I used the Diablosport tuner, and it is able to shut off the mds on any PCM, mine was not unlocked. But you should verify with Diablosport to make sure it would work for you.
@@wheelinoutwest Thankyou for the info. I will try that. Subbed to your channel.
@@reddog3544 Appreciate it!
@@reddog3544 I think 2015 and up dodge locked the pcm so you can’t tune it yourself
@@nickrobinson9503 You are right Nick
What would be the reason for taking these out ? My car is rough idling I have p1411 code for my 5.7 charger and I’m thinking I need to replace them
The reason I replaced them, was because the bad lifter took out the cam lobe, so I had to tear into everything anyway, so it was a good time to replace it all anyway.
I had that ( 0 psi and then great comp ) happen on another type of engine. The seat was falling out and holding the valve open then it go right back where it came from and run fine for a little while.
interesting, thanks for sharing!
do you use the same cam gear and spring or do you delete the spring???
Did you leave the cam gear spring on when you did MDS delete ???
Yes, you just take the middle bolt out, and it all comes off as one assembly. I installed it on the new cam, it only fits one way, then install and torque to spec.
Did you get low oil pressure after cam/lifter swap ? Mines reads 16psi while parked but has 45psi while driving
No, I did not notice low oil pressure, it all seemed to be pretty good.
Mine is good cold, but warm at idle runs around 16. Prolly gonna do the hellcat pump when I do the mds delete cam and lifter swap. Supposedly it fixes the low volume/pressure at idle, but my rings might be getting worn a bit but not really interested in a full rebuild just yet
Hello, I am worried about something, Where does the Oil the MDS Solenoid get the oil that it Send to the MDS Lifters?
There are some video online that show how the mds systems works, they are very helpful.
Absolutely a great video. I'm in the middle of this job (2011 Charger R/T w/VVT). Thank you for the tips! I do have one question. When I install the MDS Solenoid "block-offs." what did you do with the existing harness? Just leave them unplugged sitting above the block? Appreciate any advice. Thank you!
What kit did you use bro I’m trying to find a non mds kit on my 2013 charger 5.7 or would the ams racing kit fit my car as well?
How are you? How is the mds delete cam and lifters gleaning for you now? I have a 2014 chrysler 300s and my cam and liters need replaced. I was told to buy mopar but I don’t want to go thru this again so I’m asking should I just by the set of non mds cam and lifters ?
Things are good, the vehicle is back at my brother in laws, but last I heard it’s still hood. I think it worth doing, as long as the bottom end of the motor is still good, which it should be.
*still good
Were you rebuilding it? or adding a cam? Programmer would turn off mds.
I was replacing the cam and lifters, as they were damaged from a failed lifter. While I was in there, it was just as easy to delete the MDS.
@@wheelinoutwest How many miles did the engine go before the lifter failed?
@@tone3560 Around 130,000
Was looking at a TSP delete kit but went with a tuner to just see what it does. I used a Diablotuner and within 15 minutes, lost oil pressure. This on the highway. Luckily i was flying and was able to maintain speed and got off. Ima chedk out if i have a pushrod issue as I'm getting cammed soon but man, losing pressure on the highway was freaky
That’s not good, losing oil pressure would most likely be a larger mechanical issue. So all you did was hook up a tuner, and while driving lost oil pressure?
@@wheelinoutwest yeah. The ECO model light would come on as if it was going to drop to 4 cylinders, but it never did. So I figured, maybe just the light comes on still but after hitting 95ish, I let off on the gas and it attempted to drop to 4 but it didn't. It wouldn't accelerate anymore either. Since I was a decent speed, I was able to cruise to an exit but when it dropped to a lower gear, I was able to accelerate but only briefly. I also thought it was something major. Maybe a pushrod or something from me driving like a jackass all the time. I plugged the tuner back in, got rid of the MDS delete option and, back to "normal." I'm thinking there is more going on too but the tuner didn't pick up any faults of codes when plugged in.
@@wheelinoutwest I wish I recorded it as I've been just documenting the build of this heavy ass car but the the phone was the last thing in my mind. I didn't even want to call my wife. She'd be pissed I ran through another car. Lol. Did take a pic displaying Zero pressure on the gauges tho.Felt like the car was fighting the tuners code. Mechanical vs electrical struggle type.
how many miles were on the vehicle for the CAM shaft to get that kind of damage?
It had a 110,000 miles or so.
I have a 2005 WK with the Hemi 5.7. I’m not having any issue with the engine , runs perfectly. But was wondering if my engine has this MDS system ?
How would I know ?
Thanks.
It came out around 2005, if it has mds it would have a different cam, etc. you would have to remove the intake, and look at the valley, to see if it has the block off plugs, or the mds solenoids.
@@wheelinoutwest well I guess I’ll never know, I’m not taking off the intake. My Jeep runs perfect, I don’t want to mess with it.
I’m going to take my VIN number to the dealer and see if they can tell me.
Thanks.
I need help i have a 2012 charger pursuit i want to put a stage 3 tsp cam it tells me to get a mds delete but i dont know what do i need and what i dont
The mds delete is a kit, that removes the solenoids for operating the mds, and replaces the cam, lifters, etc. the kit is pretty reasonable from AMS racing.
@@wheelinoutwest could i get the stage 3 cam off texas speed and the mds delete from ams
if you are in california and the tuner kit changes the program id in any way it might fail a smog test even if it does not set codes
Thats a good point!
Hello, I have a quick question, Please Where does the MDS Solenoid get the Oil is sends to the MDS Lifters??? Any I really wanna know. Thanks.
There are some videos on line, that show how it works, it through ports in the block.
I have a 2016 Challenger 5.7 with 40 k miles with no hemi tick runs great. My 2005 Chrysler 300 5.7 has 180 k runs perfect no hemi tick. My 2006 Ram 1500 with 5.7 has 280 k no hemi tick runs perfect. Truck works hard and it idles a lot. One winter when it had alternator issues i left it idle between trips for 4 days until the parts came in.
I dont baby this trick at all, no warmups, pulling trailer alot daily driver etc.
I am pretty strict on 3-4 thousand mile oil changes with the Challenger and 300. The ram i seldom change oil as its just a beater.
My biggest question is why does my 300 get solid 21 mpg and the ram struggle to get 12. The weight is within a couple hundred pounds and i drive the Ram much easier just because of mileage.....
Great video i may some day do the delete on the Challenger
That’s odd, not sure why the mileage would be so drastic?
Great VIDEO my friend! And awesome that you kept trying to double check yourself. Good info!
Thanks, I appreciate the feedback!
So what was the problem? Timing? Or valves?
The problem was the pushrod was not seated properly back near the firewall cylinder, so the valve was not opening. It’s easy to misplace the pushrod on these.
I'm able to disable MDS by using manual mode on my shifter. Once rolling, I use manual shift to shift down a few gears, then back to 6. That disables MDS...
It’s 3 options to get rid of the mds is to Buy the Diablo tune or get it properly tuned or just do the complete mds delete…
Yes thank you very much, things to note
Thanks!
I have 260,000kms on my 09 eagle Hemi. MDS still active and I have no Hemi tick
Thank-you big help.. I just got my 2014 5.7 hemi 1500 new engine kit. My mechanic abandoned the Job. 2 years know still not running? With your info. I'm going to take on the task. Thank-you much.
Thanks! Good luck with your project!
When you deleted the MDS did you have to connect the MDS connectors from the harness to anything to keep the engine from throwing codes? Or did you just leave them disconnected under the intake?
I just left them disconnected under the intake. The programmer turns off the MDS, which keeps you from getting any codes.
What Is the difference between a Chrysler V8 and Hemi
Im in the middle of doing the same thing. What do i do with the mds solenoid harness? I have the same kit mds delete.
You can try to secure them off to the side, but I just left them disconnected. I turned off the MDS on the Diablosport tuner, and have not received a code.
It can't be removed as the Cam sensor is part of it, leave them unplugged, won't bother anything.
@@wheelinoutwest Job successful. My hemi is now running with zero codes. 25miles so far. thanks for vid and info
@@gregm90 that is great news, glad to hear!
If you just get the diablo tuner before anything goes bad and delete the mds you shouldn't need to replace any parts correct or am I wrong?
Best way to check that all push rods are set is to just turn the motor over by hand when you have the rockers arms tighten… watch and make sure every exhaust and intake valve moves up and down. 4 rotations should put your cam timeing mark and #1 piston top dead center.
That is a good idea! Thanks
Thank you for taking time aside for the great tips!
Thanks for the comment!
why noy get a diablo tuner and delete MDS electronically?
The cam was already toast, so I had to take it apart anyway.
If you delete the MDS the “computer can’t reconcile why it’s not activating (it’s a sort of check)
Can you now use a Synthetic 10W30 weight oil?
I don’t see why not, I just used the suggested oil.
Hi All,
I have questions and thank you in advance to all that respond. So I also brought the same kit my questions is do I have to use it to delete the MDS or I can keep the original solenoids in and use the MDS delete cam and lifter the way that it is without deleting the MDS or is the cam and lifers in this kit a special type only used for deleting the MDS? Also I have 2014 Ram1500 I replaced this and my Ram won’t start.. smh
I would replace the soloenoids with the block off, the solenoids activate the mds, if you leave them in, I would be worried they could starve the lifter of oil.
@@wheelinoutwest Thank you WOW,
I have done so not sure why it won’t start thinking timing chain at this point.. Also getting a lot of error codes P3434 P3401 P2323.
@@rolankelly9683 sounds similar to what I ran into, if you have a compression tester, I would check each cylinder while cranking it. That is how I found one of the pushrods was not seated.
@@wheelinoutwest Thanks WOW
I will definitely try that.
Just a tip when doing this amount of work it takes maybe a hour if you move fast to pull the motor and trans together out the top helps a lot when doing big jobs like this to just have it out in the open
Don’t even have to take the exhaust manifolds off then
I agree it’s best out of the vehicle, which I typically do when I am working on the bottom end. However, this motor in a grand Cherokee is very tight, the bolts to the trans are a huge pita to get to. I dident feel the extra effort to pull it completely out, was worth it for this project.