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How do you know if a timing chain is about to break?
Common signs of a faulty timing chain include engine misfires, metal shavings found in the oil, and rattling sounds from the engine while idling….
- Engine misfires or runs poorly.
- Metal shavings found in the oil.
- Engine won’t start or fails.
- Check Engine Light is on.
- Engine rattles while idling.
How much play should be in a timing chain?
The book spec is 1/2″ play maximum before needing to be replaced. That’s for a stock engine, not one that you want to have performance out of for any reasonable length of time and certainly not for a brand new one. While using a tensioner is ok, all that does is remove the slop.
What kind of noise does a bad timing chain make?
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.
How can you tell if your timing chain is going bad?
1. Illuminated check engine light: The car’s computer monitors engine operation to ensure emissions don’t get too high. A stretched timing chain will hurt engine performance and increase emissions. If this happens, the computer will turn on the check engine light and store a diagnostic trouble code. 2.
What does a timing chain do in an engine?
What does a timing chain do? A timing chain synchronizes the rotation of the crankshaft and camshaft (s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. The chain is located inside of the engine and needs to be lubricated by the oil in the engine, making oil maintenance important as well.
How is the slop measured on a timing chain?
Measure the number of degrees of rotation of the crankshaft. If there is a lot of slop in the chain then you will have moved the crankshaft ten or fifteen degrees (or more) before taking the slop out of the chain after the reversal before the camshaft began to turn. Get the picture??
What causes timing chain pins and plates to wear?
Going too long between oil changes and using the wrong type or viscosity rated motor oil causes the timing chain pins and plates to wear, resulting in timing chain stretch. Timing chain pin and plate wear is accelerated by contaminates in the oil, that is the reason frequent oil changes are required.