Quote Originally Posted by BillBoost37 View Post
It depends on the car.

Take a look at Napa's website for various W bodies because they list axle length. Passenger side is different based on if the car is supercharged or not. The SC has a shorter axle because the diff is bigger and the size of the axle must be shorter.
So I guess I need to ask which axle they bought for the passenger's side when they replaced it... It sounds like they may have mis-matched components now and the car may be suspect. My therapist will love these conversations over my trust issues and why my car still has issues...