Regarding rear end noise


Sep 12, 2018
Fort Worth, TX
Posted earlier post on noise coming from the rear end of my 71 Mach 1.
The sound has changed. I now is a squealing sound. Almost like a belt squeal but from the rear end.
My mechanic didn't have much time but checked differential fluid and felt around. Nothing was hot. U joint looked good. He said to bring it back in and he would put it on the hoist while running ti check for sounds.
Any ideas.
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