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common oil leaks?


 
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89JeepXJ
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Joined: 14 Jan 2007
Location: Spring Lake Michigan

PostPosted: Fri Jan 26, 2007 10:50 am    Post subject: common oil leaks? Reply with quote

hey i have an oil leak on my 89 jeep cherokee 4.0l automatic, i think it might be the rear main seal, but before i go replacing that, is there anywhere else near there that has a tendancy to leak oil? thanks
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mikeymagic
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Joined: 20 Jan 2007

PostPosted: Fri Jan 26, 2007 2:06 pm    Post subject: Reply with quote

i have a 99 sport. and i have an extremely small leak out of my rear main seal also. i only need to clean it with a rag about twice a year. lol. not too much of a leak, but ive never had any other leaks.
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jppilot61
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Joined: 06 Mar 2004
Location: Tappahannock, VA

PostPosted: Fri Jan 26, 2007 2:13 pm    Post subject: Reply with quote

I have a 1992 XJ with 4.0L

I had a tremendous leak (which is supposedly fairly common) around the base of Oil Filter Adapter. I posted it up here some where about the saga of locating all 3 CORRECT O-Rings to fix it (Even Dealer gave me a kit that stated it was for 1992 but it was wrong! I had to order O Rings separately each with its own Part number from Dealer (Part Numbers were put in my previous post)


It ends up EVERYWHERE! It was difficult to determine exactly where it was originating from until I cleaned up everything and then startedengine and let it warm up. If I drove it it blew everywhere and became non-determinable where it started.

May not be your issue but . . . . easier to fix than Rear Main I have to guess!
_________________



1992 XJ Laredo
RE6130 4.5" XJ Super-Flex Kit
RE1801 Slip Yoke Eliminator Kit NP231
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Brad The Best
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Joined: 14 Jan 2007
Location: Kamloops B.C Canada

PostPosted: Fri Jan 26, 2007 5:29 pm    Post subject: Reply with quote

rear seal is pretty standard . why not get dirty and go under your jeep and look with a trouble light , your jeep could leak from any possible gasket surface .
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89JeepXJ
Member


Joined: 14 Jan 2007
Location: Spring Lake Michigan

PostPosted: Fri Jan 26, 2007 6:54 pm    Post subject: Reply with quote

yeah i know i gotta get underneath it...just a matter of finding the time!! haha, everybody knows about that of course, i just figured i'd ask before i got under it...thanks!
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Maxximmillian
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Joined: 28 Nov 2006
Location: Minnesota - Twin Cities

PostPosted: Sat Jan 27, 2007 12:47 am    Post subject: Reply with quote

I have an 89 XJ as well that does its fair share of leaking. jppilot61, can you post a link to that post that had the part numbers for the O-rings you need for the oil filter adapter? Mine is leaking as well. How difficult is it to fix? Any help will be greatly appreciated. Thanks a lot.
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88WOWJ
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Joined: 12 Aug 2006
Location: Hinesville Ga

PostPosted: Sat Jan 27, 2007 3:02 am    Post subject: Oil leaks Reply with quote

I have done both rear main and oil filter adapter on my 1988 XJ.
By far the oil filter adapter is the easier.
Get the Orings from the dealer.
Get a new oil filter.
If you have a metric oil filter prior to 1991 purchase a connector for the
oil filter so you use the newer filter non metric. About $6.00 bucks or find a junk yard one for the newer style.
I converted my 88 XJ so both my XJs use the same filter.
The bolt that holds the adapter is a 16MM.
To remove the older connecter it is loctited in and the connecter is steel
and the oilfilter adapter is aluminum. Steel and aluminum dont like ecah other and seize up. A little heat will let them come a part.
Also loctite them back on install.
_________________
1988 Wagoneer Limited XJ Tellico Tested
Rocklizards panels, Tomken rear bumper and front Tow brackets, Rocket air intake, 2 inch lift,
30x950x15, 1991 coolant system with electric fans, 8,000 mile marker winch
1991 Cherokee Limited
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jppilot61
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Joined: 06 Mar 2004
Location: Tappahannock, VA

PostPosted: Sat Jan 27, 2007 5:14 pm    Post subject: Reply with quote

SORRY, I thought I had posted them here but I guess not?

The RIGHT part numbers: (At least for a 1992 XJ 4.0 L )

p/n 33002970 ORing .7 $3.25
p/n 33002971 ORing 1. $2.70

p/n 4720363 ORing (this is the BIG one) $?
_________________



1992 XJ Laredo
RE6130 4.5" XJ Super-Flex Kit
RE1801 Slip Yoke Eliminator Kit NP231
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Maxximmillian
Member


Joined: 28 Nov 2006
Location: Minnesota - Twin Cities

PostPosted: Sat Jan 27, 2007 11:46 pm    Post subject: Reply with quote

Thanks a lot for the help. That oil filter adapter is just one on the very long list of things to do to the heep. Thanks again.
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