How do i know if my timing chain needs replacing
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Timing chain vs timing belt...
How Long Do Timing Chains Last And Do They Need To Be Replaced?
Your timing chain has one primary function: synchronizing the workings of the bottom of your engine with those of the top.
What causes timing chain to break
On the bottom, the timing chain is connected to the crankshaft, which is controlled by the connecting rods and the pistons. On the top, the timing chain is connected to the camshafts, which control the intake and exhaust valves.
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When operating as intended, the timing chain is responsible for the timing of the valves opening to let air (and sometimes fuel) into the cylinders, the pistons compressing the air-fuel mixture, the exhaust valves opening to remove the byproducts of combustion, and repeating the process thousands of times each minute.
The timing chain is lubricated by the engine oil, so regular oil changes help it to last.
It should be noted that every vehicle does not have a timing chain. Some have a timing belt, which do wear normally and require replacement at specified intervals (check your owner's manual).
Some warning signs of a timing chain that may be going bad
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