TC 231J Shaft TOO Short, leaks, Crazy Help - Jeep Wrangler Forum

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Old 06-22-2013, 08:07 AM   #1
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TC 231J Shaft TOO Short, leaks, Crazy Help

Here we go, 4.0, 32RH 3 speed auto

Owned 6 months, learned a ton along w my son, it's his.

Replaced both seals a month ago, transfer case and tranny output...still leaks.

Last nigh, pull the transfer case, only 90 minutes, would have been 60 but I have a u joint bolt that was buggered and a pain to get off, will replace.

The tranny seal looked good, was getting ready to pull, than said stop, let's check a few things.

Appears the TC shaft is 1 1/4" and 1 3/4" from the TC housing; the tranny seal is 1 7/8" deep from the housing.

Darn thing is too short, doesn't even mate with the tranny output seal.

QUESTION, do I install the teraflex extension??

Just want it done right, don't want to be a transfer case pullin expert.

Thank you, Stephrn
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Old 06-22-2013, 11:50 AM   #2
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It sounds like you installed a t-case that was originally mated to a 5-speed manual transmission. That 231 configuration doesn't have a long enough input shaft to seal the 32RH's output shaft seal. Yes the extended output shaft seal you can get from TeraFlex seal is the fix.

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Old 06-23-2013, 07:34 AM   #3
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Jerry, thank you. I'll order the extension and get r done.

Any tricks, things different installing the extension compared to the regular seal?
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Old 06-23-2013, 09:25 AM   #4
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As Jerry said the teraflex seal will fix it. I did the same thing on mine when I switched transmissions in my jeep. Dont forget to remove the old seal first
Heres what mine looked like after install.
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Old 06-23-2013, 09:52 AM   #5
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Quote:
Originally Posted by Yachtman View Post
Jerry, thank you. I'll order the extension and get r done.

Any tricks, things different installing the extension compared to the regular seal?
IIRC, the old seal just pulls out with your fingertips, a no brainer. The front of the new seal is machined aluminum & requires seating with a BFH which at least for me, took some force to get seated. Be sure to place a scrap of aluminum between the new seal & BFH to avoid damaging the new seal.
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