Question about 1993 Jeep Grand Cherokee

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The auto trans went out. So we replaced it with a unit from a wreaking yard. The replacement trans will not shift into second gear. When it tries it acts like the breaks are being applied. Than it will go back into first. Have dropped the electrical connection at the trans and tried to manual shift with the samething happening. I than switched valve bodies but had no change in the shifting. So bad trans or bad ECU>>

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Sounds like you need to take it back to the junk yard and replace it with another the bands are bad. . Good luck!

Posted on Mar 27, 2011

  • Daryl Pelletier Mar 27, 2011

    When I had it opened up to switch out the valve bodies I noticed that there was alot of play in the band to piston. Was thinking about adjusting them but did not have the specs. Was hopping for ECU would be a faster fix.. But thanks for the answer.

  • Steve Christmas
    Steve Christmas Mar 27, 2011

    Be careful, May be better off and cheeper to return befor warrenty runs out. Good luck on your desision.

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