Q: Car making squealing noise like some things being sheared off. 1991 Ford Mustang

asked by on January 07, 2017

Had a backyard mechanic replace pinon gear.Now car makes a squelling noise while driving it. The squelling noise is loud and sounds like something is being sheared off. Mechanic said he couldn't get the gear "seated" right.best he can do ..now I won't drive car because of noise. Any ideas? @

My car has 1986548 miles.
My car has a manual transmission.

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