Mechanics

CAR VIBRATES WHEN DRIVE AND REVERSE

1985 Mazda RX7

I installed a 1983 automatic transmission in my 1985 rx7. The car vibrates when drive and reverse are selected. All of the parts are from the 83. I did not change the front balance weight. Both engines are 12A. I did not remove the pilot bearing.

Vibration felt when transmission is in drive and reverse. Did not change front eccentric shaft balance weight. The transmission and all parts came from a 1983 car. The donor car sat for over five years.
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Willie bailey
January 20, 2012.




Best check the transmission that long-have it pressure tested to find out more what going on with the throttle and governor pressures-start here, also check the engine mounts

Tiny
Rasmataz
Jan 20, 2012.


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