Question about 2002 Chevrolet TrailBlazer

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I have a 2002 chevy trail blazer and there is a rattle ,vibration coming from the head and they told me it could be the timing chain, miles on vehicule 117,000

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Is it vibrating while in gear at a stop light? If this is it, it's your engine or tranny mounts. Use genuine GM mounts as aftermarkets tend to crush too much sending your engine back to the same height as the old ones. Timing chain? Doubtful it's the timing chain, our timing chains are virtually bullet proof and with 117k on it, your engine is just breaking in. Many of us TB owners have well over 200k on it and don't know anyone that has changed it.

Posted on May 30, 2011

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Posted on Jan 02, 2017

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