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1990 Ford Thunderbird SC Question: the tach will stop working and the motor bumps hard during acceleration



t.h.1, Columbus, OH, February 02, 2012, 05:28

in gear but in nuetral the motor does not bump, than the tach will start working and everything is fine

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  • Answer #1

    February 02, 2012, 06:39

    You can check motor mounts to make sure they are still good but, this sounds like a tranfer case/front differential problem. Need to get vechicle off ground put into gear, and observe unit to see if this the problem.

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