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Old 01-14-2017, 10:09 AM
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Jeep TJ transmission leak

I have a 1999 Jeep TJ 4.0L w/ 32RH auto trans and NP231 t-case. I have a pretty nasty ATF leak but I'm having a hard time finding it. It leaks the most when parked on an incline. The leak occurred first when I was half way through installing my 4" suspension lift. While the front had the lift installed, and the rear did not, it started leaking fluid. I immediately changed the trans filter and pan gasket which did not fix anything. Any ideas?Where have y'all had leaks on 32RHs?? Common spots to check? Thanks.


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Old 01-14-2017, 10:27 AM   #2
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if you can rule out the pan gasket
check
cooling lines
speedo gear housing
seal in case below shifter levers

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Old 01-14-2017, 10:47 AM
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Quote:
Originally Posted by 68charger View Post
if you can rule out the pan gasket
check
cooling lines
speedo gear housing
seal in case below shifter levers


I'm under the jeep right now. Cooling lines look to be good. Speedo gear housing is good. When you say "seal in case below shifter levels" are you referring to the O-rings where the tcase and trans meet? I don't see any fluid coming from the small hole. I'll attach some pictures of where I think the leak is coming from


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Old 01-14-2017, 10:48 AM
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Old 01-14-2017, 10:49 AM
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Check out the crossmember. All of the fluid that leaked is in the front half of the crossmember/skid plate.


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Old 01-14-2017, 11:36 AM   #6
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Were the shifter linkage and kick down lever fits on the trans. There is a tower that comes threw the case. There is a seal there hard to see but is a notorious leaker. Have to take off levers drop the valve body and pull the seal down from the top using a big C clamp.

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