It is an intricate, labor-intensive process that can take 4–8 hours, depending on the vehicle. But replacing the timing belt before it breaks will prevent engine damage and save you money in the long run.
How long does it take to fix timing chain?
In general, if the timing chain is replaced by a mechanic having all their replacement supplies and parts easily accessible, the job itself should not take more than 5 to 8 hours total. Again, it depends on the location of the job and accessibility of tools and supplies.
Will a car start if the timing is off?
A bit more and it won’t run correctly. The further off it is, the worse it will run, until it won’t start. Cam timing can be off if the timing belt or chain slips due to wear of some tensioning component, or if it’s installed incorrectly.
Is it worth fixing a timing chain?
A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. A timing belt typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle. … A timing chain doesn’t need to be replaced unless there is a problem with it.
What can happen if the timing is off?
If the timing is off, damage can occur. In some engines, called “interference engines,” the consequences can be especially bad. … You could end up having to have your engine rebuilt, or even replaced. If your cam timing is off, chances are you’ll know because your car will not be running well, if it’s running at all.
What happens if you advance timing too much?
Advancing the timing means the plug fires earlier in the compression stroke (farther from TDC). Advance is required because the air/fuel mixture does not burn instantly. It takes time for the flame to ignite the all the mixture. However, if the timing is advanced too far, it will cause an Engine Knock.
What does a bad timing chain sound like?
A bad timing chain will often emit a rattling sound for a few minutes before the engine warms up, and then will lower in intensity or dissipate altogether after it warms up.
Can a timing chain be tightened?
Timing chain’s have no tensioner, are made to fit, and cannot be tightened. When a timing chain is stretched too far, you purchase a timing set (chain with matching crankshaft & cam gears, as they MUST be changed together. Many engines that run chains have a hydraulic tensioner.