Hmm thats a hard one, wheel bearings don't squeak. The differential will whine.

Try this, the next time you hear it put on your parking brake and see if it goes away. Mine does that sometimes, I think the shoes rub the inside of the disc once in awhile.

Actually in the manual it says to put on your parking brake for 30 seconds at 30 mph every once in awhile. I don't know why I would think that would overheat the shoes.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200