Transfer case questions - JeepForum.com

 
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post #1 of 5 Old 12-10-2012, 05:02 PM Thread Starter
bigtom89
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Transfer case questions

Hi all,

I am new to the word of Jeeps so I appologize for my lack of knowledge in advance.

I have a 89 YJ with the 4.2L 5 speed manual tranny. the transfer case is NP231. I have been looking for one and wanted to know if there is a difference between the Wrangler and the Cherokee transfer cases, and if it matters if it is a stick or auto. I called one place and when I said it was for a wrangler the price went up $200. Any and all help and advice is greatly appreciated.

My thinking is a 231 transfer case is what it is and will bolt up no matter if it came out of a Wrangler or Cherokee.

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post #2 of 5 Old 12-10-2012, 05:16 PM
biffgnar
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Spline count and length can be different on input shafts. Either need to get one that matches your needs or plan on swapping input shafts.

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post #3 of 5 Old 12-10-2012, 05:32 PM Thread Starter
bigtom89
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How can I tell? If the plate says 231 on it what would let me know if it has different spline count or length?

1988 Wrangler YJ, 4"lift on 33" BFG Mud Terrians
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post #4 of 5 Old 12-10-2012, 06:07 PM
Jason
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Either the transmission it's bolted to, or counting the splines if it's not attached, will tell you what input gear it has.


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post #5 of 5 Old 12-11-2012, 06:45 AM
jmews
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Quote:
Originally Posted by bigtom89 View Post
Hi all,

I am new to the word of Jeeps so I appologize for my lack of knowledge in advance.

I have a 89 YJ with the 4.2L 5 speed manual tranny. the transfer case is NP231. I have been looking for one and wanted to know if there is a difference between the Wrangler and the Cherokee transfer cases, and if it matters if it is a stick or auto. I called one place and when I said it was for a wrangler the price went up $200. Any and all help and advice is greatly appreciated.

My thinking is a 231 transfer case is what it is and will bolt up no matter if it came out of a Wrangler or Cherokee.
The 4.2 has the 21 spline transfer case. I am doing a 5.2 swap out of a grand cherokee right now and needed a 23 spline. Stayed with the np231 SYE and got a t-case with the 23 spline.
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4.2l , cherokee , manual tranny , transfer case , wrangler

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