Originally Posted by Chevrolet Customer Svc
Jer, if you haven't checked yet I can always contact your dealer to see if they would need to drain your oil for this repair. I hope this helps. Let us know how things go with your dealer.
Jeff Morris, Chevrolet Customer Service
Sounds like your from momma GM. Care to comment on this issue or how widespread it is?
PS- I might take mine in this spring afterall, it seems to be mildly accelerated this winter :(