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4x4 is not engaging

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Old Oct 5, 2010 | 06:41 PM
  #1  
Chompermy90xj's Avatar
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From: morrisville NC
Year: 1990
Model: Cherokee
Engine: 4.0
Default 4x4 is not engaging

went offroad today and my back tires would spin alot and the front ones would barely move, i dont think the front wheel drive was working, i was in the 4H setting and i didn't feel any difference between that and the 2H also no light came on to signify i was in 4WD

Last edited by Chompermy90xj; Oct 5, 2010 at 06:45 PM.
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Old Oct 5, 2010 | 06:57 PM
  #2  
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Have you checked the linkage? Put it in 4 wheel and see if the linkage underneath is hitting or anything.
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Old Oct 5, 2010 | 07:12 PM
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From: Florence SC
Year: 1996
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x2 on checking linkage
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Old Oct 5, 2010 | 07:12 PM
  #4  
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From: morrisville NC
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im new to this what do you mean by hitting?
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Old Oct 5, 2010 | 07:13 PM
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do you have a vacuum disconnect axle, is so that might also be an issue
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Old Oct 5, 2010 | 07:15 PM
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From: morrisville NC
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i think i do in fact have vacuum disconnect axle, its 1990, how would i go about fixing that
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Old Oct 5, 2010 | 07:21 PM
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From: Traverse City, MI
Year: 1999
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Engine: 4.0 I6
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thats just how they are ha. If u need instant 4 wheel drive put it in 4LO. make sure u come to a complete stop before doing so and neutral. Also what i do when im spinning in my driveway and trying to leave after a snow storm. I put it in 4LO then put it into 4hi and it will be engaged. I have the np242 t-case. As far as i know the np231 doesn't do this? Don't quote me though
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Old Oct 5, 2010 | 07:22 PM
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From: Holliston ma
Year: 1989
Engine: 4.0 I6 efi
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This will be your best bet for the Cad issue
http://www.comancheclub.com/forums/v...hp?f=9&t=18415

Thank Pete for his good write up
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Old Oct 5, 2010 | 07:24 PM
  #9  
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From: Holliston ma
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Originally Posted by zfranklin92
thats just how they are ha. If u need instant 4 wheel drive put it in 4LO. make sure u come to a complete stop before doing so and neutral. Also what i do when im spinning in my driveway and trying to leave after a snow storm. I put it in 4LO then put it into 4hi and it will be engaged. I have the np242 t-case. As far as i know the np231 doesn't do this? Don't quote me though

The Nv242 seems to be alot more picky then the Nv231 is, nobody knows why...just a Jeep thing.
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Old Oct 5, 2010 | 07:36 PM
  #10  
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From: morrisville NC
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so what are the exact things i should look into and try to fix
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Old Oct 5, 2010 | 07:46 PM
  #11  
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From: morrisville NC
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also it wont shift into 4l the handle wont move back any farther than 4h
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Old Oct 5, 2010 | 08:08 PM
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Originally Posted by Chompermy90xj
also it wont shift into 4l the handle wont move back any farther than 4h
Theres nothing to actually "fix" i believe that there is a write up on how to get around it. And if it wont go into 4LO try to move forward a little more and try it again. make sure your in NEUTRAL and not moving
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Old Oct 6, 2010 | 03:09 PM
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From: morrisville NC
Year: 1990
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Originally Posted by zfranklin92
Theres nothing to actually "fix" i believe that there is a write up on how to get around it. And if it wont go into 4LO try to move forward a little more and try it again. make sure your in NEUTRAL and not moving
i tried that, the handle wont pull back and farther than 4h, what could be causing this?
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Old Oct 6, 2010 | 04:38 PM
  #14  
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From: ☼ Blackhole Sun
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Originally Posted by Chompermy90xj
i tried that, the handle wont pull back and farther than 4h, what could be causing this?
Theres a gate, nudge the shifter to the right and then pull back.

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Old Oct 6, 2010 | 05:20 PM
  #15  
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From: Traverse City, MI
Year: 1999
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Originally Posted by Turbo X_J
Theres a gate, nudge the shifter to the right and then pull back.

ha x2
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