Timing Chain

Timing Chain

The timing chain is an important part of many combustion engines and ensures optimal interaction between the mechanical engine parts. It is located next to the cylinders in the engine, where it is inserted into the gear rims of the camshafts and connects the crankshaft with the two camshafts that control the valves of the engine.

A timing chain is made of metal, similar to a bicycle chain. A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. A timing chain typically needs to be replaced between 40,000 and 100,000 miles depending on the vehicle.

Signs of timing chain problem

  • Rough idle - A worn timing chain introduces slack into the connection between the camshaft and the crankshaft.
  • Poor Performance - A worn timing chain may cause the cylinders to be unable to fully fill with a fuel and air mixture.
  • Abrupt Performance Change - A timing chain that receives sudden damage or extreme wear due to overheating or lack of oil.
  • Clattering Noise - A clattering noise coming from the front of the engine can be caused by a loose timing chain.


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