Rick's Free Auto Repair Advice

Timing chain wear on GM vehicles — Service bulletin #10287

Learn the cause of premature timing chain wear on GM vehicles

GM has issued a service bulletin #10287 to oil light onprevent premature timing chain wear issue on the GM vehicles listed below and to reprogram the oil life monitor to provide for more frequent oil changes

GM finds the cause

GM has determined that the original programming for the oil life monitor on the affected vehicles can result in an extended oil change interval that results in timing chain wear, causing a check engine light and an expensive repair.

GM recommends more frequent oil changes to stop the accelerated wear

GM has issued a software fix to the oil life monitoring system that results in a recommendation for more frequent oil changes

GM vehicles affected by service bulletin #10287

2009 Buick Enclave
2007-2009 Cadillac CTS, SRX, STS
2009 Chevrolet Traverse
2007 GMC Acadia
2009 GMC Acadia
2007 Saturn OUTLOOK
2009 Saturn OUTLOOK

Equipped with HFV6 Engine

Posted on by Rick Muscoplat

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