1993 Nissan Sentra 4 Door Logo
Posted on Feb 02, 2009
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Geo TRacker aut trans doesn't shift from 1st

I have a 1996 4X2 Geo Tracker and the transmission doesn't shift from 1st, it just stays in 1st. Reverse works fine. Fluid and filter are new.
What could be the reason?

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David Wade

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Check and make sure you have vacuum coming to the valve on rear of transmission.If not that is the problem,Clean backfire valve on intake

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  • Posted on Mar 30, 2013
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Yes, a 4.3 will fit in a Geo Tracker. The Geo Tracker was a mini SUV introduced in late 1988 as a 1989 model.----------------------------------------------------------------------------
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  • Expert 137 Answers
  • Posted on Apr 30, 2009
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100 parts in a tranny.
bad governor unit in tail shaft.
low oil pressure.

see my tranny page.
http://carfix.stufftoread.com/


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I have a 1991 Geo Tracker with an auto transmission. It is slow to shift into reverse. How can I adjust the bands?

Question edited for clarity.

Try changing the auto transmission fluid, or at least topping it up. The demands of plowing snow are pretty ******* transmissions. Fully changing the fluid comes with its own problems. The best way is to drain the fluid, carefully measure and replace it with the same amount plus a couple of measured tablespoons extra.

https://www.google.com/search?q=1991+Geo+Tracker+auto+transmission+fluid+change

Recommended fluids and Oils

https://www.google.com/search?q=1991+geo+tracker+auto+transmission+fluid+recommended

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I have the same problem also. Hope someone has the answer.
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