Quote:
Originally Posted by GunMetalGrey
Thanks that's good piece of mind to have.
The service manager at my dealership is a friend of mine so I trusted his explanation.
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That makes sense, I assumed I was missing something important.
Doesn't the pressure bypass valve allow oil flow to bypass the filter when the car is very cold at startup in the morning? In this case if the pump is already crumbling inside metal particles from a failed pump could get past the filter.
For what it's worth, I would ask the service manager to show you the filter and have them cut it open or let you take it somewhere to do that. It may be too late, wouldn't surprise me if the dealer already disposed of it or withheld for GM.