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Timing Chains

What is a timing chain?

A timing chain coordinates the rotation of the crankshaft and camshaft(s) in correct timing and permits 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 essential as well. A timing chain is in the front of the vehicle and is connected to a set of gears and pulleys that power several mechanical components. For your engine to fire perfectly, the timing chain must effortlessly rotate around the gears without delay. Even though the timing chain is made from metal, it is subject to wear and tear and will in time need replacing as recommended by the manufacturer in their guide. The task of your timing chain is to perform the accurate operation of the cycle at the correct time of its strokes. If the pistons and valves don’t move exactly at the right time, then the engine will not work or it can get damaged, leading to costly repairs.

Top warning signs you need to replace your timing chain
  • The timing chain can start to stretch and wear over time, which will cause the engine's timing to be inaccurate and produce a few warning signs.
  • Engine misfires or runs poorly
  • A sign of a timing chain wearing out is if your garage technician tells you they have found small metal pieces in the oil, as these can break off the chain and find their way into the oil pan.
  • If the engine does not start, or fails when driving, then this can be caused by a broken timing chain
  • When the timing chain is loose, it often causes a vibration from within the vehicle and that will produce a rattling sound as the engine idles.

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Moated Farm Drive
Addlestone
Surrey
KT15 2DW 01932 844697

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