Groan/whine from rear end of '98 Camaro? Differential or...?

jej1

New member
Only after 15+ miles of freeway driving and only when turning, I hear a groaning / whining noise from the rear end of my car. I can only hear it when I make slow speed turns, like in a parking lot.

The car is RWD, auto, with a posi rear end.

Does this sound like the posi unit is toast? Is there something I should try to fix it or should I just swap in a new third member?

Is there anything else this could be? Would a bad axle bearing sound like that?

Thanks!
 
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