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Q: Putting transmission in reverse grinds gears but not when changing any of the forward gears.

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Just had transmission fluid, both transfer case lube changed.

My car has 148000 miles.
My car has a manual transmission.

Hi there. The issue could be either the shifter fork being bent or the reverse gear is burned up causing the transmission to grind when going in reverse. I recommend seeking out a professional, such as one from Your Mechanic, to help you to diagnose your transmission.

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