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Old 03-29-2019, 09:07 AM
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andrewwynn andrewwynn is online now
Join Date: Jun 2015
Location: Racine, WI
Posts: 8,821
andrewwynn will become famous soon enough
Alignment as big a part of back end being loose as shocks. Often when a ball joint on back wears out, or will change the geometry and throw off the alignment and make the back end all squirrely. (Worse if the joint actually twists during turns).

Since you have air suspension it's easy to test for loose parts: put on jackstands, release the air pressure then use a floor jack to lift the weight of the unsprung parts so you can tug on the parts and look for loose joints.

For the shocks: remove the bottom bolt and push and pull the shock.

First, it should instantly try to expand when the bottom is removed and then it should take significant force to push as well as pull the shock. If the shock moves quickly even if you push forcibly, or if it doesn't expand on its own it's shot.
E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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