I had the GM 3.6L in my CTS Sportwagon and it needed a timing chain replacement at 42,000 miles. Literally 2 weeks after I bought it I had to drop $3k on it.
Cons: failed at 42,000 miles, expensive repair
Mileage: 67592 km
Reviews of GENERAL MOTORS timing chain
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6 votes
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2 reviews
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GM 3.6L LY7 V6 Timing chain issues, oil starvation, sounds terrible.
Cons: timing chain issues, oil starvation
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What we know about GENERAL MOTORS timing chain
The brand is registered in USA. Official website: https://www.gm.com/.
In March 2026, PartReview does not yet have a formed opinion of GENERAL MOTORS timing chain. This part is not in the ranking due to insufficient reviews. You can help by adding a review for GENERAL MOTORS timing chain.
Currently there are 2 reviews and 6 votes. Average rating — 1 out of 5. Vote balance: 0 up, 6 down.
Users also evaluated the qualities of GENERAL MOTORS timing chain:
- Rattle - brief metallic rattle at cold start is noticeable - rated negatively. 1 point out of 5.
- Starting - hard starts or rough running can appear - rated negatively. 1 point out of 5.
- Warning light - check engine light may illuminate - rated negatively. 1 point out of 5.
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