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Unread 11-21-2012, 10:18 AM   #1
shawn carlin
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1997 XJ Cherokee 
 
Join Date: Jul 2007
Location: dayton oh.
Posts: 7
buying 88 comanche

lookin to buy a 88 comanche. 4wd, 4.0 auto 110 k miles. what should i look for on this purchase. trouble spots? weak points?

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Unread 11-21-2012, 11:12 AM   #2
SnowYJ
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1988 MJ Comanche 
 
Join Date: Jun 2009
Location: OR
Posts: 1,058
Look for rust obviously, be sure the 4wd works, just give it a good once over
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Unread 11-21-2012, 07:28 PM   #3
shawn carlin
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1997 XJ Cherokee 
 
Join Date: Jul 2007
Location: dayton oh.
Posts: 7
what kind of auto trans. is it fuel inj. or carb
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Unread 11-21-2012, 11:39 PM   #4
ftpiercecracker
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1990 MJ Comanche 
 
Join Date: Jul 2011
Location: woodbury, Tennessee
Posts: 348
If its an auto the only one to be put behind the 4.0 was the AW4, which is a pretty dern built proof transmission. If its a manual there are several ways it could go, if its a 5spd you will either have the AX-15 (best) or the Peugot (worst of the worst)

4.0 uses the Renix fuel injection system (good robust system, not as fancy as newer ones but highly reliable)

The 4wd may seem not to work, but unless something is messed up in the T-case its probably a faulty CAD, which is a SUPER easy fix.

How much is it listed for?
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Unread 11-22-2012, 12:22 AM   #5
shawn carlin
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1997 XJ Cherokee 
 
Join Date: Jul 2007
Location: dayton oh.
Posts: 7
whats cad. thats not the vac assist with the shift fork on the axle is it. btw they're asking $3850 it has a 4 inch lift with 32 in tires and outlaw wheels. body looks almost perfect. short bed and fact roll/light bar
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Unread 11-22-2012, 06:33 AM   #6
97_4popper
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1990 MJ Comanche 
 
Join Date: Jan 2005
Location: Guston, KY
Posts: 463
CAD is central axle disconnect and is what you describe.

3850 is a bit much for a MJ, but if it is really good shape, probably worth it.

Check to make sure there is no rust in the floorboards. Common.

These are very reliable trucks especially for their age, with only a few trouble spots. Rust is the main one. The CAD is one. Some problems with the manual trannys and clutch slave cyl's but you have an auto so no worries there.

Go over to comancheclub.com. All you want to know about these trucks over there.
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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 11-22-2012, 10:18 AM   #7
shawn carlin
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1997 XJ Cherokee 
 
Join Date: Jul 2007
Location: dayton oh.
Posts: 7
what year did they do away with the vac system on go to something else.
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Unread 11-22-2012, 05:57 PM   #8
97_4popper
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1990 MJ Comanche 
 
Join Date: Jan 2005
Location: Guston, KY
Posts: 463
All MJ's have it. They did away with it in the 90s shortly after MJ's went out.
__________________
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 11-22-2012, 06:03 PM   #9
shawn carlin
Registered User
1997 XJ Cherokee 
 
Join Date: Jul 2007
Location: dayton oh.
Posts: 7
gotcha. thanx to all who helped . hope i can make a deal on this truck. been wanting one for a while. will try to post some pic if i get it.
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