[avdcav]

Wheel bearings almost never wear even " it's not clutches as it
Is not constant, seems like you have neglected the rearend as mst people do.

Spend Saturday taking it apart. Clean it , fresh fluid , limi slip additive
Grab a cheap dial indicator if you don't have and check some clearances.

Have you ever pulled the pumpkin on your rear yet? It's not hardt all you
Just need a good jack to pull it onto.

Those axles are coming out anyway " might as well freshen it up.