when making sharp left or right turns forward or reverse, rear wheels chatter or feel lock locking up!
Sounds like a problem with the limited slip differential. Friday, get it to your dealer to have it diagnosed and repaired
under warranty.
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Sorry, make that tomorrow, Thursday.
This is the first performance car you’ve ever owned, right? Got a great deal on the closeout C7? Maybe a retirement present for yourself?
The limited slip differential installed in a car like this will do that. There is a clutch between each wheel that allows both rear tires to accelerate the car. It resists the different speeds the rear tires must turn in a tight corner and make the rear chatter a bit. Pretty much a normal occurrence with this type of differential.
Just check that ‘they all do that’ by driving another similar model at your dealer.