Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [timing-chain]

Timing chains are used to maintain the relationship (timing) between the crank and cam shafts. Unlike timing belts they are internal (lubricated) components of the engine.

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Timing chain jumped. Probably bent a piston. Is my engine worth fixing?

I have a 2007 Mazda 3 2.3L with about 155k km on it. I was attempting to replace the AC pulley bearing, and had to manually turn the crank pulley to get the belt back on the AC pulley. After making sure the AC pulley was tightened, I started the…
Pedram
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Why not have drive chains instead of drive (serpentine) belts?

My drive (serpentine) belt was recently chewed down to about half the width and I had to replace it. Which brings the question: if the automotive industry has been gradually replacing timing belts with chains (my Tacoma has a chain and the model…
amphibient
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Corolla - Coolant leaking from timing chain cover

I have a 2002 Toyota Corolla (1zz-fe engine) and recently noticed an important coolant leak, dripping from under the car, apparently from the oil pan. I took a closer look and was able to identify that the coolant is coming from the very bottom of…
Florent
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High vacuum pressure on idle after timing gear and chain replacement

I just got my 1980 Chrysler LeBaron 318 V8 back from the mechanic, who replaced the timing gears and chain, which were the originals and very worn. Soon after leaving the mechanic, I noticed my vacuum pressure gauge was reporting high vacuum…
sehcheese
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BMW 320d B47 2014+ Did they fix the timing chain failure on the B47?

The 2013 BMW 320d N47 was known to have timing chain failures vs 2014 BMW 320d B47 2014 or newer. Did they fix the timing chain failure on the newer engine B47 (2014 +) ? What to avoid doing in order for it to function in normal parameters; Also,…
TdAth
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Can a bad timing chain result in only a single cylinder misfiring?

The question title should be pretty self explanatory. I have a 2002 Nissan Maxima which began idling and accelerating really poorly (seemingly out of nowhere) a few days ago while I was driving home from work. Plugged my OBD scan tool once I got…
Ethan Bierlein
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How misaligned can timing sprockets be before valve damage?

I just had the valves replaced on a cylinder head for a j20a DOHC interference engine. I'm trying to align the camshaft sprocket to the markings on the cylinder head, but they snap back to where they were once I let go. It's from .5 to 1 tooth off.…
x0a
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How do I re-rivet a chain pin (with a chain breaker tool)?

I've got to replace the timing chain on a XS400 motorcycle. To do this I must break the chain, then connect it back up once it's in position. I've been practicing on the broken chain, which has already been removed, with a chain breaker. I can…
MeltingDog
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Removing head while maintaining timing chain tension & position

I'm pulling the head off of the Solstice (2006, 2.4L Ecotec LE5), and would prefer not to have to remove the timing chain cover to get the timing set correctly. The last time I did this, the engine was out of the car. I would prefer not to pull the…
3Dave
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BMW 316 - Do I need a new timing chain?

My car has a rattle coming from it, it's 2010 and has 114,000 miles on her, a guy said it's the timing chain, but a woman hit my car last year slightly and I've heard it since then, would it be advisable to change my timing chain? Roughly how much…
Clare
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Does my car have a timing belt or timing chain?

I purchased a second hand Ford Focus LX 2004 (Sedan) and it is now getting close to 200,000km. I was wondering if this car needs a timing belt replacement or not? I looked at the maintenance guidebook and there is nothing mentioned about changing…
orezvani
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Do you need to replace a timing chain?

I have a "2012 PASSAT SEL PREMIUM 2.5L Auto" with about 92k miles on it. Around 60k, I have asked my local car mechanic to do the Timing Belt, and he informed me that according to the search he ran by the VIN number the 2012 VW Passat has a timing…
KingsInnerSoul
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2011 f150 ecoboost timing chain and valve train

Looking to find the book rate for how many hours labour to change full timing set including vct's, chains and intake cams 3.5l ecoboost
ron
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Timing marks not lining up on 2.2 dohc Saturn

2001 Saturn 2.2 dual overhead cam 16 valve timing marks not lining up right the cam on the exhaust side is not at the 45° angle it needs to be it's more or less like the 10:00 position need to find out how to get it to line up correctly before I put…
Matthew Gary
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Can a trained mechanic tell the difference between a rod knock or a timing chain rattling?

Can a trained mechanic can tell difference between a rod knock or a timing chain rattling?
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