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Re: How to determine which wheel bearing is bad? (archive)
[ Follow Ups ] [ E30 M3 Message Board ] [ Msg. Board FAQ ]
Posted by CFL on November 19, 2000 at 19:31:23:

In Reply to: How to determine which wheel bearing is bad? posted by EdZ on November 19, 2000 at 14:56:29:


What tests, while driving can i do to determine which wheel bearing is bad? It sounds like the noise is coming from up front, but it might not be.
TIA
EdZ
89 ///M3 (whining/whirring noises)

Load the side of the suspension that you suspect and have a listen, turn sharp left to load the front right tire and vice versa.

Afterwards (at home), jack that corner up, spin the front tire while you squeeze the front spring and feel for vibrations. The rear ones are much more difficult to diagnose.


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