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NP231 leak

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Old Mar 19, 2011 | 06:37 PM
  #1  
worldwidechance's Avatar
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From: Colorado
Year: 95
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Default NP231 leak

Hello, Yesterday I found that my transfer case is leaking. I cant tell exactly where though. The leak is not mainly from any of the main inputs/outputs. While the whole transfer case is dirty from oil build up, the dripping of red fluid is mostly coming from the middle where it looks like there are 2 different seams that go around the whole TC.

Where do you guys think it is leaking from and how much will it cost to fix?







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Old Mar 19, 2011 | 06:59 PM
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clean that b**** then you will know. Brake cleaner and a toothbrush.
Git-R-Done
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Old Mar 19, 2011 | 07:00 PM
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Year: 1989 xj sport 2dr
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pressure cleaner at the local u wash place,remember fluid runs down start at the top looking for the leak

Last edited by freegdr; Mar 19, 2011 at 07:02 PM.
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Old Mar 19, 2011 | 07:04 PM
  #4  
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Yeah, you need to clean that thing big time and then you will know. It does appear that the input and output shaft seals may be leaking. Clean it and then take pics : )
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Old Mar 19, 2011 | 07:12 PM
  #5  
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is there a hose on the breather i wonder
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Old Mar 19, 2011 | 07:17 PM
  #6  
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Originally Posted by freegdr
is there a hose on the breather i wonder
Should there be?
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Old Mar 19, 2011 | 07:19 PM
  #7  
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Originally Posted by DaddyCat
Should there be?
i would think so theres one for aw4 trans
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Old Mar 19, 2011 | 07:57 PM
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Looks like there is (should be). You can get the vent from the dealer.
P/N J8131659 $10



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Old Mar 21, 2011 | 02:13 PM
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I found the seal kit from Cobra Transmission. Is this a reliable place to get parts? At the shops iv been looking at the kit is going to cost around 50 bucks. why is this so cheap?

http://cobratransmission.com/index.p...ts_id=55018009
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Old Mar 21, 2011 | 02:52 PM
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did you check if your breather tube and/or hose is missing??
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Old Mar 21, 2011 | 10:52 PM
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It does have the breather tube.
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