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Unread 03-01-2009, 08:29 PM   #1
FraziersYJ
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lost 2 wheel high and 4 wheel high

I can't figure this out.... goin down the road, and all of a sudden it was like i put it in neutral, but the tranny's fine, so my next thought was the transfer case popped out of gear so i pulled it into 4 wheel high n nothing happened, i pulled it into low and it goes like there is nothing wrong with it. But now when i try to put it in high it's always low no matter where the shifter is, all the way forward or all the way back. anybody else ever heard of this happening?

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Unread 03-01-2009, 08:39 PM   #2
shaggyjim
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Drain the TC and check for chunks.
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Unread 03-01-2009, 09:10 PM   #3
UltimatE
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Quote:
Originally Posted by shaggyjim View Post
Drain the TC and check for chunks.
x2. Sounds like your high range gear stripped out.
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Unread 03-01-2009, 09:19 PM   #4
Grape Ape
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If it shifts out of 4 low but you have no other gears then there is something wrong with the insides of the t-case. Sheared gears etc.

If it will not shift out of 4 low (stays in 4 low regardless of what you do) then I would check the linkages. It sounds like a linkage came loose and allowed the t-case to drop out of gear, you then pulled it back to 4 low and the linkage connection to go forward back into 4 high and 2 high is disconnected.
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Unread 03-01-2009, 10:16 PM   #5
Burnerman
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What Grape said. The end of the linkage rod has a flanged stop on it so when you pulled it to low it slid against the stop and went to lo. When you move it forward the adjuster just slid on the shaft and did nothing. Crawl under and check it out....
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Unread 03-02-2009, 11:23 AM   #6
MrLude1
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Not to hijack your tread, but I'm havin a similar yet opposite problem. I can't even shift into 4Wlo, could it also be a TC issue?
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Unread 03-02-2009, 11:32 AM   #7
cmsurfer
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Quote:
Originally Posted by MrLude1 View Post
Not to hijack your tread, but I'm havin a similar yet opposite problem. I can't even shift into 4Wlo, could it also be a TC issue?
As in physically can't shift into 4 Low? Can you shift into 4 High or neutral? When I first got my Jeep, it took me and other person to physically shift into 4 low. It may have never been used, but it's been fine since. Just so you know, you have to push the shifter to the right then pull back to 4 low.
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Unread 03-02-2009, 11:39 AM   #8
MrLude1
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Thanks for the quick response, but, yeah, I physically cannot shift the darn lever into 4wlo. I know (shift-knob illustration) to shift to the right then down into 4Wlo, but no luck. I bet it's never been in that range in my case either tho.
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Unread 03-02-2009, 02:46 PM   #9
SECorBust
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When I tore down my t-case (just for good measure) one of the shift forks was gnawed up like the dog ate it. It still shifted, but I replaced the part. I have heard of others who needed new shift forks. There are some plastic parts that go on the end of the forks and once those fall off or get worn down who knows what happens.
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Unread 03-02-2009, 03:04 PM   #10
CaveDave
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The shifter rotates a bracket within the Tcase with several indentions on it, one for each gear, 2hi, 4hi, etc. To hold this bracket in place there are two spring loaded pins. One is for your vacuum switch, the other is opposite the switch. One or both of these may have failed - leaving this shifter bracket loose and unstable. Unfortunately, the Tcase must be disassembled to inspect one of these spring loaded pins (the one opposite the switch).

If you didn't hear a bunch of grinding then the likelyhood of failed gears is very low.
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