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Unread 04-27-2012, 12:45 PM   #1
Aimee
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1993 YJ Wrangler 
 
Join Date: Apr 2012
Location: Alburtis, pa
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transfer case swap help

Hi, I'm looking for help with a transfer case swap. My teenage son has a 1993 wrangler. Some how the drive shaft to the front of the transfer case (at the u joint) broke off, it must have smashed into the transfer case and cracked it wide open. So, in an effort to save money, he purchased another one from someone who was parting out a 1994 wrangler. We had spent a whole afternoon trying to put the "new" one on. Well it appears the gearshaft coming from the tranny (our jeep) that should fit into the transfer case (the "new" part) is too big. Is there anything we can do? I guess what I'm asking is, are the two input gears able to be switch out? And how?

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Unread 04-27-2012, 11:53 PM   #2
1986cj
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1986 CJ7 
 
Join Date: Dec 2007
Location: Denver Colorado
Posts: 1,874
Count the splines on your trans and the transfercase. If you have a AX15 you should have 23 slpines and a np231 transfercase. The 4cyl (AX5) uses the same np231 transfer but the 4 cyl only has 21 splines. This may be your problem.
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Unread 04-28-2012, 04:08 AM   #3
Technohead
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1998 ZJ 
 
Join Date: Dec 2008
Location: Exeter, RI
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It should be possible to swap the input shaft from the old t-case to the new t-case.
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Unread 04-29-2012, 09:57 AM   #4
dadstoy
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1995 YJ Wrangler 
 
Join Date: Dec 2005
Location: Livingston, Louisiana
Posts: 1,122
The input shafts can be swapped. You just need to disassemble the two cases and swap the main/input shaft(s). Just keep the different pieces in order as you take them out so they go back in in the correct order.
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