Quote:
Originally Posted by Unreal
Always used highest possible and dealer changed the oil regularly.
Chunks of metal fished off the ground and belly pan. RPMs were <2k. He may have been idling at a stop light. I'll get more info today. It is already at the dealer. Onstar towed it.
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Ok, that does cover him then. Those are some of the first things they check, they'll most likely cover the motor under warranty, i hope they dont get it sent to be rebuilt (some dealers do that) this is NOT a common problem, and hopefully this is a contained scenario. Post more pics if u can of the piston so we can further discuss and diagnose