Jumping out of 4 wheel - JeepForum.com

 
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post #1 of 8 Old 02-05-2013, 04:24 PM Thread Starter
aeewsdt
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1995 YJ Wrangler 
 
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Jumping out of 4 wheel

I bought a 95 YJ Rio Grande the other day. When i test drove it, I engaged the 4 wheel and it worked fine. But when I got home, I had to reengage it, and it started popping out of 4-wheel drive. It did this in 4H and 4L. The front diff was low on oil, but everything looked to be ok there. I did notice that when I would engage the 4 wheel, the front drive shaft seemed to have play in it from the transfer case. I have a 231J x-fer case, and a 4cyl 5 speed. Is there some way to check and see if the transfer case is not fully engaging, or should I be looking somewhere else? You can hear a loud pop when it jumps out of 4 wheel.

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post #2 of 8 Old 02-05-2013, 04:40 PM
Mark05059
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when it pops out does the lever move or does it just make the pop? Makes a difference as to where to start looking...

1998 ZJ 5.2 Auto

1989 Wrangler Black Bone Stock 2.5l 5spd
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post #3 of 8 Old 02-05-2013, 06:01 PM Thread Starter
aeewsdt
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Originally Posted by Mark05059 View Post
when it pops out does the lever move or does it just make the pop? Makes a difference as to where to start looking...
No..the lever doesnt move at all. Just a pop and jerk.
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post #4 of 8 Old 02-05-2013, 08:50 PM
jokerchief462
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Try adjusting the linkage. Down on the side of the T-Case drivers side is where the shifter goes in but you will see a small nbolt 10MM head on the linkage. Put in 2H which is all the way forward and check position and then 4L which is all the way back. Check again and see if the linkage can be moved to get the shifter furter back in 4L and then try iit and check it out.

89YJ 2.5L TBI, AX-5, NP231 SYE, Ford 8.8, Yukon Grizzly, Tom Woods Shaft, 33" BFG T/As, 4" lift, Warn VR10000s.

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post #5 of 8 Old 02-06-2013, 10:02 AM
Siva283
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Check the CAD on the front axle too. It may be losing vacuum and disengauging the 2 peice shaft

1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

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. It started with a $200 axle, and a few thousand dollars later I was done :)
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diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

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this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.
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post #6 of 8 Old 02-06-2013, 11:16 AM
squishy
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I had/have a similar issue pops out when I put a hard load in it but the shifter doesn't move.
The first time I found that the PO had possibly ran the case out of fluid an overheated the chain which made it stretch. I replaced the chain problem solved -ish.
It started happening again ....when puttin the chain in I looked passed replacing the plastic pieces on the shift fork. Bad idea. I now have a 2wd jeep till payday and I can get a master rebuild kit.
(I have a 231)

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post #7 of 8 Old 02-09-2013, 04:16 PM Thread Starter
aeewsdt
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Join Date: Feb 2013
Location: Nelsonville
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ty for all the useful info.. I have adjusted the linkage a bit to see if that would help. Unfortunately, no...
I went ahead and purchased a new transfer case, which I am putting in tomorrow. I had ordered some nerf bars, and grill guard for it, and they just came in. So, I am gonna install all of it at once. I will let you all know how it works, and post pics of the finished product.
Thanks again for all the help.
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post #8 of 8 Old 03-05-2013, 10:01 PM Thread Starter
aeewsdt
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Join Date: Feb 2013
Location: Nelsonville
Posts: 6
That x-fer case seemed to solve the problem. But I did find a vacuum leak in the system too.
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