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 NP231 output shaft seal...
#799140
03/22/07 01:55 AM
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Joined: Jan 2007
Posts: 120
OP
Wheeler
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I've replaced mine twice in about 60,000 miles and it looks like it may need to be replaced again. Is this normal? It seems as though there is ALWAYS a bit of spray on the underside of the body. I never get a puddle under the Heep, but the fact that it is always a LITTLE oily back there always has me checking it out. I don't wanna run out of fluid! I can certainly understand a minute amount of fluid since that seal is the only thing holding back all of that +4...plus, it's obviously not 100% leakproof since the slip yoke is constantly spinning inside of it.
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Re: NP231 output shaft seal...
[Re: 93yj]
#799141
03/22/07 02:32 AM
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Joined: Jan 2007
Posts: 534
Rock Warrior
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97tj, Shaved Ford 9 rear, 4:10's, New 35x12.5 BFG KM2's to test!, Warn x8000i, ARB's, Quick Disco's, Hand Throttle, & it's my DD. 
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Re: NP231 output shaft seal...
[Re: 93yj]
#799142
03/22/07 01:34 PM
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Joined: Feb 2007
Posts: 32
Getting the Wheeling Fever
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i've done mine a few times. first because i thought it was leaking, but it there was actually a crack in the cone. then again because mt transmission mount was shot and under hard accelleration things would move(hense broken cone). just something to check
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