Slips out of four wheel drive -
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Go Back > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > Slips out of four wheel drive

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Unread 03-13-2002, 07:42 AM   #1
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Join Date: Nov 2001
Location: Niwot, CO
Posts: 30
Slips out of four wheel drive

Looking at a used jeep. 1985 with a four cyl. The owner says under a load, like going up hill with some throttle, the front end slips out and back into four wheel drive sometimes. This jeep has a 3" lift and 31.5 tires. 83,000 miles. Is this something any of you people have heard of? Is is a tough thing to repair? Does this vehicle engage the front axle inside the differential? Any help would be great. Thanks.

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Unread 03-13-2002, 11:33 AM   #2
Bob K
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Join Date: Nov 2001
Location: New Bedford, MA
Posts: 987
First thing to the front end slipping out of locked position, or is the problem in the transfer case? Does it happen in both 4wd/hi and 4wd/lo?
'87 Wrangler YJ 4.2 I6 (sorry, sold)
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2 1/2" ProComp Lift
31" BFG A/T's
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'99 Grand Cherokee 4.7 V8
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Unread 03-22-2002, 04:24 AM   #3
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Join Date: Oct 2001
Location: Southern California
Posts: 37
Give this a try:
A lot of times, when a Jeep is lifted and especially when the transfer case has been lowered. (Youíll see spacers) The 4wd shift lever hits the floor pan (Usually in 4wd low) and it needs to be readjusted for full travel. (Itís keeping the transfer case from being fully engaged) This is a minor adjustment. Lay down under the Jeep with a flashlight and have someone shift into 4wd. If this is the problem you will see the lever hitting the floor pan from underneath. There is an adjustment to give the lever more clearance.(Forward and back) In a few cases (Depending on the way it was lifted) the floor may need to be notched.

Good Luck.
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Unread 03-22-2002, 03:23 PM   #4
89 YJ
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Join Date: Feb 2002
Location: northern california
Posts: 114
If its the xfer case and not the front some idiot tried to drain the case fluid from the detent ball plug. Just take out plug and see if spring and plunger are in it still. This was the problem on the jeep i bought. It would pop out of 4wd under a load cause the detent ball was gone. If its gone u can get a new one for under 20 bucks.
89 YJ Islander, AC,PS, 10 inch lift, 32 BFG MT's, sway quick disconnect, rear track bar quick disconnect, 400 watt 12 speaker cd player for tunes,8000lb warn 8274 with 150 ft cable, and a high lift jack.. Lockers, 35's, webber carb and jacobs ignition comming soon.
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