This guy is a genuis been trynna find out how to over 3 months now , had few mechanics check out my truck and not wanting to try and get it fixed literally made me same thousands of dollars & time can’t get back on the road to work
Apparently the active fuel management lifters in the GM 5.3 liter V8 are a VERY common problem. Good job creating this awesome video and explaining all the details.
Great video. I used this video to do the same exact job on my 15 Sierra 6.2liter. Helped tremendously! Only trouble I had that you didn't mention, is the wire harness secured to the back of the intake cover. It's impossible to detach it. So I just snaked the intake manifold out from underneath the cover, and then I was able to detach the harness. Other than that, perfect video for anyone with basic hand tools to perform.
i did the same thing, i was fighting with the intake-cover for and hour, then i was like let me try an take the intake out first then the cover and it did work after that i just stuck a flat head driver to push out the clips out of the intake-cover ,tomorrow 05/29/2023 am gonna install the lifters back THANKS JM8686 FOR THE VIDEO YOU JUST SAVED ME 1200 DOLLARS MY LOCAL MECHANIC ESTIMATE WAS 1700 SO I BOUGHT THE LIFTERS TOTAL TOO 500 DOLLARS SO 1700-500=1200 I REALLY SAVED 1200 ,,,I HAD TO BUY THE PARTS AND CASKETS
Mil grasias por tu video ya que me toco un Chevy 2019 con problemas de lífter Lock y quería saber si los rocker arm se calibraban diferente 🎉mil grasias
Gracias por el video, muy bien explicado todo. He visto otros videos para el mismo motor que usan 22 lbs 90 60 de torque para los tornillos de las cabezas. Sera incorrecto usar 22lbs?
How long does this process really take if you have to do both sides I have this problem on my gmc sierra I have codes p3441 & p3417 Cylinder 6&3 Deactivation/Intake Valve Control Circuit/open It’s a 4.3 l v6 is this the problem or can it be something else ? Someone help please 🙏 and ps I love watching this video can’t wait to get hands on my motor love doing these type of things
Well Done! I have to do my 2018 Yukon Denali 6.2L. Someone told me that I have to Drain the radiator and oil as well. Do I have to? I'm not doing a cam replacement!
I dont understand the 90° 40° terminology. Like he said 22 lbs of torque and then he did the 90° thing... What does that mean and why? Why can't I torque it to 22lbs and move on? Thanks in advance ☺️
8:11 Could someone tell me what / how he is setting it to 80 degrees means? I understand the torque value, but a little confused with the degree value. What exactly is he adjusting? or is he bending it?
So ur telling me i can just put in all the rocker arms bolt them down and tighten to 15-20 ft pounds and not crank the cylinders to do one rocker at a time? 12:31
I'm actually in the process of changing lifters and cam on my 18 5.3 sierra with the afm. I see that you did not replace the cam here in this video. sometimes it's not necessary to replace the cam?
Great video. Im am a subscriber now. Where do you get the torque specs for this engine? I have seen on other blogs people recommend 27 pounds and then 90 and 60. Thanks
Great video. So the right cylinder head doesnt have the big allen head bolt like the left one does? Im currently working on a 2015 silverado with tge l83 engine and i bought head bolt sets but both come with big allen head bolt.
I’m not a mechanic in any kind of way. I have a 2015 Suburban that is having cylinder 2 issues. I’m assuming it could be the lifter and maybe cam shift. Is there anyone in the NJ area that can help solve this problem of me? Appreciate the video. Awesome!!!!
Really enjoyed your video. Taught me a lot. Not sure it is my lifter yet. I have a 2014 Yukon XL 5.3L V8 SLT. I have a misfire on the 7th cylinder so I replaced all the spark plugs and wires and coil on the 7th cylinder and that made it run a little better for a while and then it had another misfire on the 7th cylinder again after driving it for a while. I don't have the tool to check the compression yet in the 7th cylinder. What are your thoughts on my problem?Is there a way to drain the antifreeze so you don't get it all over the cylinder heads?
Hey so i got a question for you could you answer please. So i did head job on the driver side of my truck, i have a 2014 silverado lt 5.3. I did exactly what you did also put new spark plugs and wires changed the oil and also replaced the injector for bank one. Ot ran good no noise for two hours i parked it and check engine light came on started shaking no over heat and all gauges are normal. Now for the injector i bought 1 for bank 1. It came with little white rings that looks like a tiny doughnut. I put them on it didnt have any on the injectors the first time i took them out and i didnt see if they came off in the head. I took the head to the machine shop and when i got it back it was clean. So i put them on. Do you think this might be the problem? Maybe it did not have them before? I saw the injectors you took out but i didnt see them?. Help please!!!!
I just replace my injectors and the original didn't have that white Gasket, not on the injector itself not on block where the sit. The new ones all came with the white Gasket.
Great video - how difficult is it to do the same on the driver side? I have a P0307 error and unfortunately it the inner most cylinder on the drivers' side. Thanks much!
Depending what year,if is the LS you don't have high pressure fuel pump, if you have the LT you have a head bolt in front of cylinder #1 that is different than the others and you have a high pressure fuel pump and Injectors directly into the head,the LT is the same exact like the one on the video! Less words LS easier than LT
@@JM8686 Thanks! I have a 2015 Sierra 1500 SLT 5.3L V8 Gas. I am thinking about to give it a try. My previous diy projects on auto never went beyond changing an alternator or knock sensor. This looks a quite bit more involved.
Thanks for the great video. Exactly the problem on my truck, but on Cylinder 5. I have another problem though, probably from driving with a stuck or collapsed lifter. When I am at idle, my oil pressure is 10-20 psig. When I'm driving, I am at a normal 40 psig. I noticed I have some metal shavings in the oil, so I am not driving it now. What bearing or component could I have damaged?
There is no way to tell what bearings got damaged, only opening the engine! Remove the oil pressure switch and hookup a oil pressure gage to male sure the psi you getting is accurate! You can also add a Lucas additive or replace the oil pump or shim the original oil pump so you can get a higher pressure if you do have low oil pressure
@@JM8686 Thank you! Just pulled the cylinder head. Now it's really tough to get the stuck lifter out. I saw a video about using some brake cleaner (or something similar) to free it. Any other advice? Also, I started to strip a few head bolts. Do you know the specifications for those bolts?
Lifters should come right out pretty easy, if they give you a hard time is because you might have a damaged cam shaft or even the engine block it self! Make sure the brown plastic lifter holder is not damaged cuz sometimes the lifters spins around off the lifter holder! Send pictures to my Instagram 13b_dorito
@@JM8686 Was able to get the lifter out. The roller had broken off, and I was able to use a magnet to pull out little pieces. Also, had some pieces in the oil pan and metal shavings. That explains where the shavings came from. The cam shaft looked pretty good, maybe a little tiny bit of scouring, but at least this will be enough to get the truck on the road and clear a few codes to trade it in.
Because i can control the valley pan with my bidirectional scanner before removing the head to confirm that the lifter is the issue! First i check the live data and focus on cyl 1-7-4-6 if i have the live misfire on any of those afm/dod cyl, then i go cyl by cyl activating and deactivating one by one to confirm that the lifter is collapsed! Another way is removing the valve cover and run the truck without it and you will see a rockerarm not moving at all so that will also confirm that the lifter is collapsed!
Nice work brother... I think i need the same done to my 5.3... I was seeing how much u charge for that kinda of work.. I’m in Cali also...Norwalk area.. thanx have a good day
Great video! I have the same issue on cylinder 6. How long would you say this job takes? Also, someone told me I’d have to resurface the head before I reinstall it, is that true?
Takes from 3 to 4 hours all you need is the tools and no you don't have to resurface the head before installing unless you cause any damage on the surface
Awesome video man! I have the same problem and im getting ready to do this, i wanna use good gaskets and not so cheap ones where did you buy them? Anyways you could share a link to all the gaskets that have to be replaced
I have a 2018 Sierra Denali 6.2. with 900 miles, not 9000 I have a misfire on cylinder 8. Cylinder 8 does not have DOD lifters. The dealer checked the coils and injectors and said they were good. The engine does not tick, smoke, leak gas or have a gas smell. It runs very rough, and the engine shakes, but no noises. Does anyone have any suggestions? I purchased the truck brand new. The dealer seems to think it"s a collapsed lifter, but with 900 miles .and cylinder 8 doesn't"t have the DOD lifters. I"m kinda leary. I don't want them tearing my engine down only to find out that it"s something a whole lot simpler.
This guy is a genuis been trynna find out how to over 3 months now , had few mechanics check out my truck and not wanting to try and get it fixed literally made me same thousands of dollars & time can’t get back on the road to work
Dang! I can't believe how good part 2 was! I watched part 1 and was blown away as well!!! Best videos on UA-cam!!!! THANKS.......
Yes sir I’m headed back up to the dealership to get my truck and fix mine this week!!! Thank you 🙏🏽 🤩🤩
Apparently the active fuel management lifters in the GM 5.3 liter V8 are a VERY common problem. Good job creating this awesome video and explaining all the details.
Thank you for the comment 🙌
Yes Sir
thanks for shareing very good job showing the how to's.
Thank you for watching
Great video. I used this video to do the same exact job on my 15 Sierra 6.2liter. Helped tremendously! Only trouble I had that you didn't mention, is the wire harness secured to the back of the intake cover. It's impossible to detach it. So I just snaked the intake manifold out from underneath the cover, and then I was able to detach the harness.
Other than that, perfect video for anyone with basic hand tools to perform.
i did the same thing, i was fighting with the intake-cover for and hour, then i was like let me try an take the intake out first then the cover and it did work after that i just stuck a flat head driver to push out the clips out of the intake-cover ,tomorrow 05/29/2023 am gonna install the lifters back THANKS JM8686 FOR THE VIDEO YOU JUST SAVED ME 1200 DOLLARS MY LOCAL MECHANIC ESTIMATE WAS 1700 SO I BOUGHT THE LIFTERS TOTAL TOO 500 DOLLARS SO 1700-500=1200 I REALLY SAVED 1200 ,,,I HAD TO BUY THE PARTS AND CASKETS
Did the same exact thing on an 18 GMC Sierra
I don't think it's possible to get it off any other way
Doing it now on my '16 sierra 5.3
New Best Mechanic video, I can't believe you did this with only one hand, lol!
Saved me 6k lol thanks brotha im halfway through so far
Looks pretty simple I have never mess with replacing lifters but looks like that's the problem that I have with my truck.
Great video.
Thanks for watching and yeah kinda simple 🙌
Mil grasias por tu video ya que me toco un Chevy 2019 con problemas de lífter Lock y quería saber si los rocker arm se calibraban diferente 🎉mil grasias
I wish I had seen your videos before I took our 2017 GMC Yukon to the shop. I could have saved thousands.
Hey bro thanks for these lifter videos. I just completed my lifter repair. My problem was the non spring lifter that failed.
Is there a certain sequence to remove head bolts? I dont wanna warp it undoing the wrong bolts first
Gracias por el video, muy bien explicado todo. He visto otros videos para el mismo motor que usan 22 lbs 90 60 de torque para los tornillos de las cabezas. Sera incorrecto usar 22lbs?
Thank you for the two videos. Your step-by-step instructions helped me so much. Muchas gracias 🙏🏼
How long does this process really take if you have to do both sides I have this problem on my gmc sierra I have codes p3441 & p3417 Cylinder 6&3 Deactivation/Intake
Valve Control Circuit/open
It’s a 4.3 l v6 is this the problem or can it be something else ? Someone help please 🙏 and ps I love watching this video can’t wait to get hands on my motor love doing these type of things
11:08 do I just drop in and install rocker arms ?
DO NOT reuse the head bolts. They’re a torque-to-yield bolt which makes them one time use.
Well Done! I have to do my 2018 Yukon Denali 6.2L. Someone told me that I have to Drain the radiator and oil as well. Do I have to? I'm not doing a cam replacement!
my question homie is did u have to reprogram anything to the ecm when u finished, thanks
How long did this job take you? I need to do my truck but don't wanna use PTO from work. Is 2 days enough time?
Took me about a day and a half
What did u use to clean block and pistons for new head gasket
Will this be the same for a 2017 GMC sierra 5.3. Thanks 🙏
Yes sir
Do you need to change the VLOM? Or test it?
I did not hear you say but is it necessary to replace the camshaft when doing the lifters? Please advise.
Part 1 and 2 helped out alot. Much love from Hawaii🤙
Thanks so much for the great set of vids. I thought the head bolts couldn’t be reused because they are stretch bolts. I’m guessing it’s probably fine.
I mean you are not supposed to but there is only one way to find out right...
Actually you can measure the length to see if they are in spec
You made it so easy saved some serious money
i have the same problem with my truck & this video helps a lot you don't imagen !! thank you brother
Gald to hear that it helped you
Thanks for watching and the comment 🙌
Great info and video my buddy is going to fix my bad lifter cylinder 4 2008 Silverado 5.3 them dam afm lifters cause to much trouble
Great explanation of the plastic retainers. I’ve heard they are prone to fail.
Yeah already happened to me haha 🤦♂️
Shouldnt the torque specs for the head bolts be 59 ft lbs, 90°, 60°? Drivers side allen bolt is 59 ft lbs, 90°, 40°?
Good video. I do have to say that the torque specs according to GM is 59 ft pounds 90 degree then 40 degree.
That's for the Allen bolt on the drivers side head. All the others should be 59 ft lbs, 90°, 60°.
I dont understand the 90° 40° terminology.
Like he said 22 lbs of torque and then he did the 90° thing... What does that mean and why? Why can't I torque it to 22lbs and move on? Thanks in advance ☺️
Can you replace just the one bad lifter? Or do you have to do them all
8:11 Could someone tell me what / how he is setting it to 80 degrees means? I understand the torque value, but a little confused with the degree value. What exactly is he adjusting? or is he bending it?
Do you have to resurface the head for a lifter replacement job. I have a 2016 Tahoe cylinders 1,7 are missifiring ..
My 2014 started making a knocking noise New Year’s Eve… how can I DM you to ask a question as to if it’s the push rods or lifters?
You are a fantastic teacher.
🙌
This was a awesome video I'm going to do my suburban tomorrow will be using this for reference
The push rods need to go in the same way you put it in or doesn’t matter what side you put in first or if they need to go in order
Question the lifters that we’re replaced , were the ones that have springs only ?
On the driver side. Cylinder one and cylinder 7. Passenger side six and four
I noticed it was like a month ago, but he never said anything.
So on each side it’s 4 normal lifters and 4 lifters with the springs(AFM)?
great video , swore new fuel lines under intake are 1 use only but maybe not! awesome vid
Great job, very clear explanation, how about if the lifters are not jambed can it still make that tacking noise?
Yeah it can be but needs more diagnostic
So ur telling me i can just put in all the rocker arms bolt them down and tighten to 15-20 ft pounds and not crank the cylinders to do one rocker at a time? 12:31
Excellent job, I have watched several of your videos. Very professional.
Thank you brother 🙌
I had a 2018 Silverado and it was having a misfire and the plugs kept getting fouled out was this happening to this persons truck ?
No,the problem was a loud lifters doe to a DOD/AFM lifter collapsed
Is this the same for 2019 5.3 ld/lt?
I'm actually in the process of changing lifters and cam on my 18 5.3 sierra with the afm. I see that you did not replace the cam here in this video. sometimes it's not necessary to replace the cam?
To unplug fuel injectors or gas lines do i need to unplug a fuse or battery? How much gas come out of lines?
No need because it's a high pressure mechanical pump! Nd only small amount of gas
Excellent instructional video!! Thanks
Great video. Im am a subscriber now. Where do you get the torque specs for this engine? I have seen on other blogs people recommend 27 pounds and then 90 and 60. Thanks
You just saved me a cash I did not have . Thanks
🤣
Nice video. You sound young and smart
Where you leave broo ? My truck needs the same job lifter number 3
Great video. So the right cylinder head doesnt have the big allen head bolt like the left one does? Im currently working on a 2015 silverado with tge l83 engine and i bought head bolt sets but both come with big allen head bolt.
Correct, right head (passenger side) does not comes with the big Allen head bolt 👍
Don't forget the grounds behind the head
@@JM8686 so torque is 22 90* n 70* Not 59 90* 40* ????
@@chalinoahuesoduro5566 I am also wondering this.
I’m not a mechanic in any kind of way. I have a 2015 Suburban that is having cylinder 2 issues. I’m assuming it could be the lifter and maybe cam shift. Is there anyone in the NJ area that can help solve this problem of me? Appreciate the video. Awesome!!!!
What snap on torque and degrees wrench is that
Really enjoyed your video. Taught me a lot. Not sure it is my lifter yet. I have a 2014 Yukon XL 5.3L V8 SLT. I have a misfire on the 7th cylinder so I replaced all the spark plugs and wires and coil on the 7th cylinder and that made it run a little better for a while and then it had another misfire on the 7th cylinder again after driving it for a while. I don't have the tool to check the compression yet in the 7th cylinder. What are your thoughts on my problem?Is there a way to drain the antifreeze so you don't get it all over the cylinder heads?
Remove the valve cover nd see if the pushrod have any play
Hey so i got a question for you could you answer please.
So i did head job on the driver side of my truck, i have a 2014 silverado lt 5.3. I did exactly what you did also put new spark plugs and wires changed the oil and also replaced the injector for bank one. Ot ran good no noise for two hours i parked it and check engine light came on started shaking no over heat and all gauges are normal. Now for the injector i bought 1 for bank 1. It came with little white rings that looks like a tiny doughnut. I put them on it didnt have any on the injectors the first time i took them out and i didnt see if they came off in the head. I took the head to the machine shop and when i got it back it was clean. So i put them on. Do you think this might be the problem? Maybe it did not have them before? I saw the injectors you took out but i didnt see them?. Help please!!!!
I just replace my injectors and the original didn't have that white Gasket, not on the injector itself not on block where the sit. The new ones all came with the white Gasket.
Really good video we'll look for more videos from u
Did you replace those high pressure gas lines under the intake
Don't think I did lol
Great video - how difficult is it to do the same on the driver side? I have a P0307 error and unfortunately it the inner most cylinder on the drivers' side. Thanks much!
Depending what year,if is the LS you don't have high pressure fuel pump, if you have the LT you have a head bolt in front of cylinder #1 that is different than the others and you have a high pressure fuel pump and Injectors directly into the head,the LT is the same exact like the one on the video! Less words LS easier than LT
@@JM8686 Thanks! I have a 2015 Sierra 1500 SLT 5.3L V8 Gas. I am thinking about to give it a try. My previous diy projects on auto never went beyond changing an alternator or knock sensor. This looks a quite bit more involved.
Same engine like the video
AMIGO GOOD WORK! HONESTLY I WOULD HAVE DONE BOTH SIDES WITH ELEMINATING THE DOD,
What’s a good way to clean the head and block for the new gasket
Anything works ,just don't scratch either of the surfaces!!
Could you tell me the torque sequence and how many foot lbs to torque the intake?
Thanks for the great video. Exactly the problem on my truck, but on Cylinder 5. I have another problem though, probably from driving with a stuck or collapsed lifter. When I am at idle, my oil pressure is 10-20 psig. When I'm driving, I am at a normal 40 psig. I noticed I have some metal shavings in the oil, so I am not driving it now. What bearing or component could I have damaged?
There is no way to tell what bearings got damaged, only opening the engine! Remove the oil pressure switch and hookup a oil pressure gage to male sure the psi you getting is accurate! You can also add a Lucas additive or replace the oil pump or shim the original oil pump so you can get a higher pressure if you do have low oil pressure
@@JM8686 Thank you! Just pulled the cylinder head. Now it's really tough to get the stuck lifter out. I saw a video about using some brake cleaner (or something similar) to free it. Any other advice? Also, I started to strip a few head bolts. Do you know the specifications for those bolts?
Lifters should come right out pretty easy, if they give you a hard time is because you might have a damaged cam shaft or even the engine block it self! Make sure the brown plastic lifter holder is not damaged cuz sometimes the lifters spins around off the lifter holder!
Send pictures to my Instagram 13b_dorito
@@JM8686 Was able to get the lifter out. The roller had broken off, and I was able to use a magnet to pull out little pieces. Also, had some pieces in the oil pan and metal shavings. That explains where the shavings came from. The cam shaft looked pretty good, maybe a little tiny bit of scouring, but at least this will be enough to get the truck on the road and clear a few codes to trade it in.
Good job 🙌
What if you don’t have access to an air gun to blow out the head bolt holes what can you do as an alternative
Whatever works i would say lol
Paper towels on a screw driver 🤙
Thanks for the video. Great job!
no need to turn the engine while installing the rockers?
Yes, you have to turn the engine. Google it adjusting rockers, it shows you the pattern.
My torque wrench doesn't do degrees. Can you give me ft lbs? I've seen other videos where they suggested 25, 50, & 75. Would you say that is close?
Yeah thats kinda close
Thanks man I appreciate it and I feel like I can do the job on my wife's truck
Can I use these same steps on a 2019 2500 Silverado 6.0 vortex
Yes sir
Do you have to resurface the head?
Only if overheat because it will warp
Great work young man and thank you for the help
🙌
Disculpe un lifter puede dañar el arbol de levas
Si hermano
What’s a good brand for the lifters? I’m going to replace mines
I only buy Mines from the dealer
How do you know that the oil solenoid wasnt bad hence causing the lifter to stay collapsed?Thanks
Because i can control the valley pan with my bidirectional scanner before removing the head to confirm that the lifter is the issue!
First i check the live data and focus on cyl 1-7-4-6 if i have the live misfire on any of those afm/dod cyl, then i go cyl by cyl activating and deactivating one by one to confirm that the lifter is collapsed!
Another way is removing the valve cover and run the truck without it and you will see a rockerarm not moving at all so that will also confirm that the lifter is collapsed!
@@JM8686 Thanks for your reply. Makes sense ..Best video on this repair .Thanks for helping out so many .
What state are you in we need a really good mechanic I’m in Atlanta Ga. How can I reach you. I have that some truck.
Great job!!!
Gardena ca
Hi like your video. I have a 2017 chevy suburban 83,000miles, got code P0324 tis morning, knock engine error. What do you think the problem?
Could be many things!
Does you're engine have a misfire,shakes or noise on a side of the engine?
For faster help 13b_dorito my Instagram
👍🏽, where are you located?
Did you replace the VLOM?
Can you tell me the torques for a silverado 2014 5.3
13b_dorito my Instagram
Good job easy to see and understandable you did great with this
Thanks 🙌
Mis respetos buen trabajo amigo… que Dios bendiga tus manos y cerebro
Nice work brother...
I think i need the same done to my 5.3... I was seeing how much u charge for that kinda of work.. I’m in Cali also...Norwalk area.. thanx have a good day
Yeah I can get it done ,13b_dorito my Instagram for more info
JM8686 ok sounds good thanks,, I’ll be getting in touch
Good job and well explained.Thanks for sharing this,i will be ready for it !
Thanks for watching 🙌
13b_dorito my Instagram cuz about to do a 2016 escalade with 6.2
@@JM8686 Great,i will check that !
En donde compraste la racha para torqiar y cuánto salió Primo??
En snapon sale como $500
No cambiaste todos? Cuántas millas trae el pickup
Thinks it's the same on a 2020 5.3???
That's an LT engine
How much do you charge for this job. This happened to me but the warranty cover all.
@@JM8686 That's a really good price Thanks for the video.
How much do you charge to do this
Where did you order the lifters from? I’m trying to get some for my 2015 GMC Sierra
Dealer or where i get parts for my shop
Awesome video.
Thank you for the support 🙌
Where are you guys located?
Got my shop in gardena ca
Great video! I have the same issue on cylinder 6. How long would you say this job takes? Also, someone told me I’d have to resurface the head before I reinstall it, is that true?
Takes from 3 to 4 hours all you need is the tools and no you don't have to resurface the head before installing unless you cause any damage on the surface
JM8686 I took the valve cover off today, but the rockers on cylinder 6 don’t seem to move. Could the lifer still be bad?
Yeah lifter could be bad! Message me on Instagram 13b_dorito for fast respond
Awesome video man! I have the same problem and im getting ready to do this, i wanna use good gaskets and not so cheap ones where did you buy them? Anyways you could share a link to all the gaskets that have to be replaced
Get felpro or victor
Amazing video amigo ! 👏✔️
Whats the proper method of prepping the head and block mating surfaces
Heads send over to machine shop to get resurfaced nd a valve job nd block just sand it down "clean with wire brush or sandpaper 120 grid"
The heads need machine chap? When u change the lifters?
Yes ,better send them to machine shop
Do the fuel lines need to be replaced?
No but if you remove the injectors from the heads you will have to replace the injector seals
@@JM8686 had to work the injectors out and slightly bent the rail. Should this be ok or no?
@@oscarmartinez550 just make sure the injectors are all the way in tho
Exellente trabajo mi compa, tengo el mismo problema ahorita, como puedo contactarte yo mismo quiero hacer el trabajo, agradeceria eso
13b_dorito my Instagram
I have a 2018 Sierra Denali 6.2. with 900 miles, not 9000 I have a misfire on cylinder 8. Cylinder 8 does not have DOD lifters. The dealer checked the coils and injectors and said they were good. The engine does not tick, smoke, leak gas or have a gas smell. It runs very rough, and the engine shakes, but no noises. Does anyone have any suggestions? I purchased the truck brand new. The dealer seems to think it"s a collapsed lifter, but with 900 miles .and cylinder 8 doesn't"t have the DOD lifters. I"m kinda leary. I don't want them tearing my engine down only to find out that it"s something a whole lot simpler.
Truck is new so let the dealer deal with it nd make sure they give you a rental while the truck at the dealer
@@JM8686Thanks! I guess you're right. You have the best videos ever!1
Thanks for watching
Any updates? I have the same problem, just not a new truck.
Ty for the video!