Q:

How often do timing chains need to be repaired or replaced?

A:

Quick Answer

Timing chains only need to be repaired or replaced when there are problems with them, such as prolonged wear or other mechanical problems. Timing chains are contrasted with timing belts, which generally need to be replaced between 40,000 and 100,000 miles.

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Full Answer

Timing chains connect a vehicle’s crankshaft and camshaft and control the movement of air, fuel and exhaust throughout the engine. They are made of metal and resemble bicycle chains. This sturdy construction allows them to often last the life of the vehicle. However, timing chains are subject to failure, particularly in vehicles with many miles. They also tend to wear faster if not properly lubricated with adequate amounts of oil, or if poor-quality oil is used.

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