Question about 2003 GMC Sierra 1500
CV joints tend to be much noisier on tight turns. Wheel bearing on the other hand, tend to be noisiest when straight.
But yes, it could be a pinion bearing instead.
If you have locking front hubs, then unlock them.
It is still happens, it is not the front differential.
Wheel bearings will have play you can feel through the brakes being spongy, vibrate, and through play if you jack it up.
CV joints can be taken off, apart, cleaned, inspected for spauling and pits, and regreased. You are supposed to do that anyway. So there is no reason to just replace them unless you actually see the metal flakes and grinding.
Differential is the hardest to see and most expensive, so save for last. Drain the oil into a clean pan, to see what comes out.
Posted on Sep 17, 2010
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Posted on Jan 02, 2017
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