Jumped Timing Chain Or Belt Symptoms, Causes, and The Fixes
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- Опубліковано 30 вер 2024
- Learn the symptoms and causes of a jumped or broken timing chain or belt, and what it takes to fix it.
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I just finished installing rebuild head on my 2004 volvo xc90 2.9l T6 , in the first start the car had misfire on 3-4-5 , this engine is from the passenger side is 1-2-3-4-5-6 , I deleted the codes and started again I had same codes misfire on 3-4-5 , I decided to do compression test and it's crazy it's shows 65 on all of the cylinders.
my question is if the computer shows misfire on 3-4-5 then how I had same compression result on all cylinder it's not making sense for me . Because 65 is low right ? Shouldn't have misfire on all the cylinders?
I'm looking at the timing mark I can see 1 tooth off on the vvt exchuast sprocket.
That’s your problem, I one tooth off. Because if the valve timing is incorrect combustion can’t take place correctly and fuel and spark will be off because computer is assuming timing is correct when it’s not.
Hello, i have a 2005 corolla CE and it has the cold start rattle. I changed the tensioner recently but nothing is changed. Is it worth changing the whole timing chain? it has 203K miles on it
It can be the camshaft actuator gear that is falling and making the start up rattle
Please help , I have a car that has a random misfire , and over heating between 40-60 mph, car has weak power , pulled thermostat out it isn’t that , it starts overheating when misfire is active , I changed all spark plugs and coils and gaped them correctly
Check cylinder compression on all cylinders, may be a blown head gasket causing your issue.
I do have a question. I drove back from a 2hr drive. Parked my HEMI and next morning it was as though the battery was dead until after a few attempts to crank it finally started cranking. Now, no compression in at least 4 cylinders. No symptoms, no noises. Just parked and next morning. DOA. any thoughts?
Wow, that is weird. If you have no compression in 4 cylinders that could only mean it jumped timing to me, definitely something mechanical.
Please help.
So my car serpentine belt broke, and i replaced it, soon after i started hearing a slight rattling noise, but now that noise is getting louder, is it possible that the rattling noise ( only comes when accelerating, sometimes on sometimes not) is caused by a failing timing chain...? 🤔
Yes
i have a 1988 honda crx that someone wants me to see if i can get running. i found that it has jumped time. not exactly sure why it jumped yet but that is my question. how do i diagnose weather it is the tensioner or not. and how would i know if it messed other things up ? should i just try to fix timing and see if it runs?
That's the easiest thing to do, readjust timing, changed tensioner and belt and see if it starts. Could of bent valves but if it runs good it didn't. Good luck!
My 2002 Mitsubishi eclipse I believe jumped timing. My car over heated because I didn’t have enough coolant in it and I had it flushed and then it was refilled with coolant a couple times later fown the road it completely just stopped and I couldn’t push the gas or break and I pulled over and hit the emergency break and then cut the car off!! It will crank but not start and the mechanic said that is a good sign!! Does that sound like a jumped timing belt?
Sounds like a blown head gasket from the overheating to me.
I have a hyundai i20 with vvt can not drive it starts but rpms are not stable , system code p0014 , have checked the solenoids for vvt but thy r gud , the camshaft and crankshaft timingchain markings are not coming up on the tdc position together where thy shud be , how can i check if camlobes or camshaft intake or exhaust are not in timing
You have to find the procedure for your particular vehicle and reset crankshaft marks along with both camshaft marks. I don’t have info on an i20
Hello,
My Sienna had a code regarding knock sensor.
I do hear something coming from the engine, I decided to change the timing belt and it was shorter than my oem replacement.
After I finished the timing job and made sure everything was at tdc, i turned on the car and after it warmed up I heard the same sound again and threw the same knock sensor code.
Any ideas on how to fix my issue?
Can be that knock sensor itself that’s bad or the wiring to it. Try using premium fuel for a couple of fill ups see if that helps.
I have. 2005 tacoma 6 cyl. My mechanic is fixing the blow head gasket. I called him for a status and he said the timing chain jumped and he has to open it back up. The heads were machined so maybe he didnt put enuff tension on the chain. Is this something to be concerned about? Thank you.
The timing chain is hydraulic so something seems fishy if you ask me.
Amazing video, ihave a mapped audi TT, i had it serviced just 1 week ago, the garage empty the old oil and then dont top up the new oil, the oil light came on 3 days later, now its got engine warning light and they claim its the chain, would lack of oil do that please x
Absolutely .Timing chain tensioners need oil and oil pressure or they could jump timing.
Thank you so much, the garage didnt put oil in after the service, now the chain is jumping and they want to charge me 1000 for their mistake! Thank goodness for good people like you explaining these things ❤
@caronlynch8593 No problem! You’re in the right and should pay
How can you tell if a 07 Nissan Altima just time it’s sound funny turning its like the starter only thing turning but crank and cam are spinning
Sounds like the engine did jump timing and doesn’t have compression, that’s the smooth sounds you are hearing.
My car sounds like it wants to start but it don’t and it don’t sound like shitty when you try to turn over it just sounds like the battery is dead but it’s not ? It’s those are my sensors?
Hard to tell just by your description but make sure battery is fully charged. Ignition,fuel and compression should be checked.
Thank you for the explanation. I changed the tensioner on my sons 2009 Corolla. I believe during this process I made the chain jump a tooth. We are now getting a P0017 code. My question is, car seems to run fine, is it drivable for a few days? Seems to run fine. I just don't want to cause issues.
In fixing this issue, can I just open the valve cover and loosen/remove the tensioner. Put at tdc and make sure the cams are aligned and to correct the timing or am I going to have to remove the entire cover? Can I adjust timing from the top with only the valve cover off? Thank you.
If nothing is hitting anything you can drive it like that but not too long. If you can re due the timing like you said go for it , if it saves time.
@@motorcarnut . Thank you for responding! That's the plan put the crank at tdc and timing mark. Open valve cover and see where it is. Undo tensioner and move cams to correct position. Put tensioner back on and manually inject the tension with a long pic. Then turn the crank a few revolutions clockwise and verify timing marks are correct on cams. I really don't want to open it all up. Hopefully this will work.
@Mark-jz4dz good luck!
How would I go about fixing a p1009
@LuisTheCarGuy what vehicle?
Great explanation. Please check out my recorded noise of possible timing chain/tensioner related issues in my channel under Shorts. Is that noise at idling/slow rpm caused by bad timing? Or is it just the piston slap? Thank you.
I just heard them, so from the speed of the noise i'm pretty sure it's a rod knock.
@@motorcarnut is that mean timing chain system would not fix the problem?
@gotsu21 correct.
@@motorcarnut Hello, could you check #2 and #3 under "Videos"(longer than 1 min)?
2. Cold Start - Idle - Drive - Rev - Idle
3. Warmed Idle - Rev (The idling sounds like diesel engine while no noise at revving?)
My mechanic has fixed my timing chain an had a code for a HPFP an he checked it was goid but it still has a loud rumble noise like its off balance
What can that be
Timing is probably off or related to the fuel pump. He’s a mechanic should be able to fix it or bring to an mechanic
If you have a bad timing chain, will your engine still run
Yes and no depends on how bad it is but it can run
@@motorcarnut my radio, and dash lights keeps coming on and off, but it still got me to work,the RPM was at 0
Was same , but I have to rev it high right after turn on engine for idle , sometimes goes to 0rpm but have my foot close to the Gas Pedal 2003 DIAMANTE MITSUBISHI 3.5 V6 6G74
If it breaks, you're F****d.
My 2015 Toyota Sienna has p0012 and p0015, but it has clean oil at the right level and no symptoms. Is it my timing chain? It seems odd that i would have two different codes for one bad sensor. Then again, i feel like a timing chain would produce symptoms. I would also expect a timing chain issue to cause more than just those two codes
The solenoids are probably going bad if you don’t hear and timing chain noises
@@motorcarnutthank you!!
@mycoffee2654 welcome
Can crankshaft pulley replacement cause your car to jump timing?
Depends, what vehicle do you have?
Did on ford focus
@Slater-rh1qr sorry about that
I have a 2013 Hyundai Elantra and the timing chain is loose. Do you recommend fixing it and what would be the cost?
Yes because it will jump and cause more damage. You have to check with local mechanics for prices
Greetings for u from Iraq
Hello and Thank you!
I know this exact engine. I’m trying to figure out my situation as we speak. My chain slipped or jumped. I replaced the head gasket and checked the valves which are all in tact but I still have no compression. I’ll probably have to redo the timing procedure itself. It could just be a simple error on my behalf.
Chain is known to stretch but that won't cause no compression in all cylinders.
I got a 96 dodge ram Misfires on cyl. 8 and 7 but 8 is like 3000 times a minute, Replaced entire ignition system, headgaskets, valve gaskets, intake gaskets, oil pan gaskets, I think it needs 02 sensors but This sounds more like the issue?? Lmk man. Thanks.
That’s a dead miss. Just to rule out a sticking valve I would compression test that cylinder to make sure it has at least 120psi cold. Also can be fuel related on that cylinder as well. If you have spark compression and fuel it should not miss fire. A vacuum leak on that cylinder can cause that too
i have a 3sfe 2.0 engine on my toyota caldina. i replaced my timing belt at it broke in less than 1000km later. what could be the reason?
thanks
Too tight, worn sprockets or defective belt.
Code p0016 popped up what is that ?
Timing code
@@motorcarnut so that’s the belt ?
Don’t know what vehicle you have but either belt or chain. But also can be a sensor
Chysler 300 v6 3.5 08 well maintenance kept very well with everything everything still original I lost power yesterday driving on highway and it sounds lik it wants to turn over but it won’t
hi, what is a lot a money?? 800?? 1000?? I have a 2016 jeep grand Cherokee that it might need time realignment. how much would that cost in your experience.
Timing chain job varies from state to state and mechanic to mechanic but range is low $1500 to high $2500
My isuzu 250 De teq Don't want to start it showing that the camshaft sensor is the problem but i did change them but still i get the same results
Probably the timing is off and not the sensors
how do you tell the difference between a Broken and a Jumped Chain?, and if a chain is broken is it a costly fix ( labor time not the actual part of the engine )
You have to gain access to the chain depending on vehicle the easiest way is to remove the valve cover. If it’s broken you’ll see it right away. Again, depending on vehicle it’s a big job but prices vary greatly so I can’t just give a dollar amount and be accurate.
My timing chain was fixed with new starter but still won’t stay started
I don’t understand what you mean?
I actually think the belt is better. The chain seems like it's planned obsolescence.
No belt is rubber chain is steel, no comparison
Nice job!! Well explained. scribed!
Welcome aboard! Thank you!
It that a dodge motor cause I think I'm having that issue
No Toyota
Hi, I have a 2004 Honda Accord. Changed Serpentine belt. Drove for 2 minutes, shut car off, crunk it back up.. the battery light and oil light came on. Shut it back off and it wouldn’t crank back up. Used OBD2 scanner and no codes detected. It cranks but won’t start. Just keeps spinning, what could it be?
Idk, but those problems are related to the serpentine belt being broken but you replaced it, seems odd that after the belt change you have these issues. Check cylinder compression to see if the engine is mechanically healthy. And take it from there.
@@motorcarnut the belt never broke. It was shredding so I changed it. I took it back off and retraced the steps to make sure it was on correctly, still nothing. Also, the battery is continuously going dead. I have to give the car a jump. Replaced the starter, still nothing.
Sounds like you have a short somewhere. I have a video on parasitic draw you might want to check out
If the chain is stretched ,will the engine still be able to start?
Depends if if jumped a tooth or more, so yes or no
Hi I have an 2020 Hyundai Elantra 4 cylinder 2.0l I have the p0017 code. Changed the exhaust and intake solenoids I was told it might be the engine before it was seen. No knock. Chain is still intake hasn’t been driven since the code popped up. Is there any way that it’s not the engine and just the chain and sprockets maybe?
Yes, These vehicles are known for timing chain stretch and that will cause that code. I would replace the chain and tensioner at a minimum to be ok again.
@@motorcarnut thank you I really needed to hear that
No problem!
2014 dodge charger 3.6 sxt go to start tries to crank almost turns over but wont try to start couple times until i smell gas & stop could this be chiming chain? Fuel pump makes the electrical noise before attempting to start & fuses are good. Any advise appreciated...I'm broke down in the drive way.
By what you’re saying yes it can be timing chain but other things can cause that too. Try doing a compression check first I have videos on that too.
Start with the codes if you have any. I'm battling the same thing. My code is for cam sensor P0340.
Check cam sensor
Mazda zy always missfire after few distance ichanged plags fuel pump air filter no change help me please
Could be a bad coil
Ok thanks
What i absolutely love is how detailed and informed your video is. Well worth a sub and looking forward to more informative content!
Welcome aboard! Thank you for the comment! Appreciated
Would you engine be tight?
It could be if it’s hitting the valves
I tried to replace my water pump and I couldn't get the timing chain off of it
Don’t know what vehicle you are referring too?
@@motorcarnut
The same 05 maxima 3 2
@BigpapaPapa-ud6qm The one in the video is not a Nissan and I wouldn’t know why you can’t get the water pump out?? I don’t know what you did or didn’t do?
I have a 2002 Hyundai sonata 2.7 liter v6 i just bought it deove it 164 miles parked it went outside the next morning wouldn’t crank just flooded itself out I replaced coils wires and plugs no change I think it might be a timing belt issue but I’ve never her of one jumping like that help
Also it threw the po340 code which is camshaft sensor
Could be, that is a timing code
It was I finally got past the motor mount and got the inspection cover off the belt had cracks all in it It was old and worn out and jumped some teeth. Thank you for the video really helped me.
Great to hear that, sure no problem!
I have issue with engine so carry out overhaul work but after overhaul complete engine not starting so, i check deeply and found if i drain oil from chamber vehicle starts and if pour even 1 liter oil it stremble and stops, what should be causes?
Sounds like you messed something up and have a head gasket problem or valve timing is off.
.
I jumped timing on my 2014 Chrysler Town and Country with a V6 3.6 L pentastar engine. I was an idiot and did not get the marks lined up. Any suggestions? Do you think I could tackle re-timing the valves and everything? Also do you think I would need to pull the whole engine?
You don’t have to pull the engine and if you did it before why wouldn’t you be able to do it again?
Well I took it all apart and got the timing right but now the vehicle will not start. I'm wondering if one of my valves is stuck open or I messed something up. Any ideas? I just took the cam phasers off and readjusted them so they were lined up with the timing marks. I didn't take the whole front cover off. Do I need to do that??
And just so you know I started the engine with the timing off and it ran for a little while then died.
Do you think I need to pull the heads off and replace the valves?
Try doing a compression check first, if compression is good on all cylinders the timing and valve should be fine.
Nice video!
Thanks!
Amazing video!!!
Glad you liked it!!
❤❤❤❤
Thank you!
I just did my time if chain and when I let go of the clutch I hear something what could it be
Idk, don’t sound related? Was the noise there before timing change?
It was not I think I didn’t lock the vct acuator idk if that could cause the sound ?
@delapaloma6934 what vehicle?
@@motorcarnut Honda according to 2008 2.4
Do you have the start up rattle? I have a video on that fix too
Bought a 2011 Cadillac SRX, a few days later a code popped up saying crank shaft/ camshaft coalition or something like that. My mechanic changed them all but said I still may need to replace the timing chain. Is there any other way around that, to at least by me some time? The car drives good except there’s a little loss of power going up hills but no rattle at all.
No, if it jumped it will again and leave you stranded.
My 4.0 ford engine out of time valves hit locked up trying to remove cant rotate to access the flywheel bolts what can I do need to remove the engine
Can try with a long pipe and braker bar on crankshaft bolt or drop pan if that don't work and remove rod bearing caps more time consuming but sometimes you have no choice.