What Are the Symptoms of Timing Chain Failure?

1 Answers
MaddoxAnn
07/29/25 4:40pm
Timing chain failure symptoms: abnormal engine noise, high fuel consumption, increased oil consumption, car unable to start, insufficient power, severe exhaust emissions. Timing chain inspection methods: 1. Use a spring scale to check the elongation of the chain at three or more locations. If it exceeds the usable length, it should be replaced promptly; 2. Use a vernier caliper to measure the wear degree of the camshaft and crankshaft sprockets. If it exceeds the usage limit, they should be replaced promptly; 3. Use a vernier caliper to monitor the thickness of the tensioner and chain damper. If it exceeds the usage limit, they should be replaced promptly; 4. Check the elongation, wear, and breakage of the timing chain. If there is minor damage, it should not be used further.
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