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1991 xj np231 breakage

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Old 12-24-2013, 03:38 PM
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Year: 1991
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Default 1991 xj np231 breakage

I have a 1991 jeep xj with an 4.0, automatic, and the np231 transfer case. The
t-case has crapped out so Im swapping another one in. My question is I have done away with e CAD system and have gone to a perm lok. I was wondering if this contributed to the death of the t-case? Also it is my daily driver and has almost 301,000 miles on it. Thanks for the info.
Old 12-24-2013, 04:27 PM
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Originally Posted by mauck2006
I have a 1991 jeep xj with an 4.0, automatic, and the np231 transfer case. The
t-case has crapped out so Im swapping another one in. My question is I have done away with e CAD system and have gone to a perm lok. I was wondering if this contributed to the death of the t-case? Also it is my daily driver and has almost 301,000 miles on it. Thanks for the info.
I really dout that was what caused it to break. I have a 99 axle in my 89 just so I could remove the cad system lol. Iv had no issues in over 45,000 miles.
Old 12-24-2013, 08:16 PM
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Well when you say crapped out, did it break or just wear out?
Old 12-24-2013, 09:44 PM
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Thanks for the response. I didnt think it would have caused it to break. I havent torn in to the t-case, but i know that i can hear the chain dragging on the inside of the case. Im pretty sure its stretched. Thanks
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