s5 gtu dumb wheel hop thinkin bushings not sure where to start or spell

 

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Jack the rear of the car up and try to move the diff by hand or with a pry bar. There are two bushings at the rear of the housing and a mount in the front. There shouldn't be any movement. Also, if you have a clunk noise between shifts or upon hard acceleration, those are signs the front diff mount is broken. Broken mounts and sagging bushings will cause a lot of slop in the drivetrain.