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Np231 help

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Old 06-29-2015, 06:48 PM
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Default Np231 help

I have a 1991 Cherokee 4.0 automatic with the 231. I just installed a sye. And I get it under the jeep. 2 high works great. 4H/L is in a bind. The Tcase is locking up making the jeep almost stop rolling and spinning tires in the grass. Any advice?
Old 06-29-2015, 07:56 PM
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did you install it while the T-case was in 4lo? there is a pin that comes out the back of the case into the new tail shaft housing. maybe the housing isnt aligned?
Old 06-29-2015, 07:58 PM
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Everything was aligned fine. We bench tested it, went in fine spun free. Got it in the jeep and now it's acting like it's in a bind
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