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Leaking Oil!!


 
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trumpetman
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Joined: 20 Oct 2007
Location: Crystal Coast, NC

PostPosted: Sat Oct 20, 2007 3:20 pm    Post subject: Leaking Oil!! Reply with quote

I have a '94 Cherokee Sport 4WD Manual w/154,000 miles and have replaced the: valve cover gasket, valve stem seals, front crank seal, and e verything seemed great yesterday after replacing the valve stem seals and having the oil changed. All of these repairs were performed within the last year and under 12,000 miles. I woke up this morning with a puddle of oil on the ground that seemed to be coming from where the transmission meets the oil pan. It is not leaking from the oil filter or from the valve cover. It is noticealby damp w/oil and dripping from the area where the transmission meets the drivetrain (?). Any suggestions? Please help. Sad
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ThePhantum
Pissed-Off Admin
Pissed-Off Admin


Joined: 23 Jan 2004
Location: I knew it...I'm surrounded by Assholes!

PostPosted: Sat Oct 20, 2007 3:24 pm    Post subject: Reply with quote

Rear main seal. High mileage 4.0's (and lots of other motors for that matter) are notorious for it. It's not hard to change, more of a PITA since you have to drop the pan.
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97 XJ Sport with a bunch of stuff
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Tardis
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Joined: 07 Aug 2004
Location: Ohio

PostPosted: Sat Oct 20, 2007 9:21 pm    Post subject: Reply with quote

Those 2 piece seals suck. I've had plenty of Chevy motors with leaky 2 pc rear mains that were a pita to change.
I strongly recommend using Anaerobic Flange Sealant on the main cap when you reassemble it.
The Anaerobic sealant seals the main-cap to block surface, and cures without the presence of air.
The factory service manual also stresses this when you install a new seal.
I've been down this road, and if you don't use the sealant, the new seal "will" leak.
Most part stores carry it for around $4-$6.


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98' TJ, 99' XJ
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lakeland713xj
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Joined: 04 May 2007
Location: middle of no where florida

PostPosted: Sun Oct 21, 2007 4:43 pm    Post subject: Reply with quote

it aint a jeep if it dont leak Very Happy when i replaced my clutch i went ahead and did this you will prolly have to drop your trac bar and steering to get the pan out...atleast i did
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Jeep cherokee 98 4.0


6.5" rough county
33x12.50 toyo mts
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Brad The Best
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Joined: 14 Jan 2007
Location: Kamloops B.C Canada

PostPosted: Tue Oct 23, 2007 7:19 pm    Post subject: Reply with quote

flange sealant is the shit .
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94greenmachine
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Joined: 20 Jun 2006
Location: westminster

PostPosted: Wed Jan 30, 2008 5:53 pm    Post subject: Reply with quote

Sorry to bring this up from the dead so to speak.My son is replacing the rebuilt tanny and the rear main seal is replaced but he says he thinks the seal is binding when he tries to turn the flywheel.It is an auto tranny. Anyone run into this and any tricks, questions or comments that would help? Really putting me in a bind. He works in a tranny shop, so he does alot of stuff and has a fair amount of knowledge.
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