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Discussion Starter #1
I am just wondering, is it factual that GM has to replace my whining rear unit because it is a TSB? I just want to make sure that it is in fact a TSB in case they try to deny my warranty claim.

Also, I was wondering if/when they replace the rear, does that mean I am getting new ring/pinion and limited slip or just a new housing? Should I be able to request that they install 3.90s at no extra charge if the gears are being replaced?

Thanks guys
 
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