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Unread 07-25-2012, 09:37 PM   #1
mj86
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1986 MJ Comanche 
 
Join Date: May 2012
Location: Flint, Mi
Posts: 17
4 wheel drive not working

Went thru some mud and got stuck to deep. Every since when I try to shift into 4 high or 4 low doesn't engage. Thanks to the ones who helped me with my last problem. Any help is greatly appreciated.

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Unread 07-26-2012, 07:51 AM   #2
97_4popper
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1990 MJ Comanche 
 
Join Date: Jan 2005
Location: Guston, KY
Posts: 463
Probably something wrong with the vacuum disconnect.
Check the vacuum lines from the transfer case up to the connection up to the axle.
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90 MJ 4.0 4X4 5sp LB Pioneer Big Ton.
Truck contains parts from 3 MJs, 2 XJs, 1 TJ and a dishwasher.
http://img.photobucket.com/albums/v1...IMG_0101-2.jpg
Check out comancheclub.com...
My build thread: http://comancheclub.com/forums/viewt...hp?f=7&t=27756
Wifes: 97 TJ 2.5 4X4 5sp 31's stock. . . Slow but; reliable.
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Unread 07-28-2012, 05:59 PM   #3
Pete M
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or rid yourself of the headache once and for all and never worry about it again.

http://comancheclub.com/forums/viewt...hp?f=9&t=18415
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-88 MJ; 4.0L, ex-2wd, TJ ax15/231, 78 Ford D44 w/spool, 9" w/posi, 33" trXus MTs, custom roll-bar/bumpers/etc.
Also an 86 MJ Metric ton and 2 '90 MJs
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Unread 07-29-2012, 06:54 AM   #4
97_4popper
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1990 MJ Comanche 
 
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Quote:
Originally Posted by Pete M View Post
or rid yourself of the headache once and for all and never worry about it again.

http://comancheclub.com/forums/viewt...hp?f=9&t=18415
Yup.
I did that.
Works great.
__________________
90 MJ 4.0 4X4 5sp LB Pioneer Big Ton.
Truck contains parts from 3 MJs, 2 XJs, 1 TJ and a dishwasher.
http://img.photobucket.com/albums/v1...IMG_0101-2.jpg
Check out comancheclub.com...
My build thread: http://comancheclub.com/forums/viewt...hp?f=7&t=27756
Wifes: 97 TJ 2.5 4X4 5sp 31's stock. . . Slow but; reliable.
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Unread 07-31-2012, 05:59 AM   #5
cruiser54
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1990 MJ Comanche 
 
Join Date: Oct 2009
Location: Prescott, Arizona
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Quote:
Originally Posted by Pete M View Post
or rid yourself of the headache once and for all and never worry about it again.

http://comancheclub.com/forums/viewt...hp?f=9&t=18415
Here's the answer. Done it to all of mine.
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Unread 08-08-2012, 10:02 AM   #6
mj86
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1986 MJ Comanche 
 
Join Date: May 2012
Location: Flint, Mi
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lost 4 wheel drive

vacuum is all good, found out that when I drop the transfer case when I put the 4.5 lift on the shift lever came disconnected. Now it will not line up. any suggestions?
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Unread 08-08-2012, 08:04 PM   #7
jakesjeepmj1988
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Location: pittsburgh, pa
Posts: 160
You need a transfer case linkage drop i have one i got in a 4" RC tj lift kit
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Unread 08-09-2012, 10:52 PM   #8
mj86
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Thanks
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