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Old 03-26-2010, 12:45 AM   #1
Join Date: Mar 2010
Location: Nevada
Posts: 3
Need help with an oil leak

Just put a new rear main and valve cover gasket in. Was good for a week or so, then went for a long drive through the mountain passes. Got home and there is a tiny bit of oil on the bottom of the bell housing. Put a better valve cover gasket on and new PCV valves in. Still having the small leak. It drips maybe a drop or two after I drive it, but after all the work I did its driving me nuts not knowing where its coming from. It isn't wet enough anywhere to follow the oil to a source. Any tips or tricks to help locate the small leak? Thanks

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Old 03-26-2010, 07:49 AM   #2
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Join Date: Dec 2008
Posts: 7,025
Try an oil leak detection dye. You'll also need the light. Cost you about $23.00 on Amazon.

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Old 03-26-2010, 09:37 AM   #3
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Join Date: Oct 2009
Location: Waverly
Posts: 207
What motor do you have? If it's the 4.2, you'll never get it to quit leaking. A lot of older Jeep guys I've talked to said if you can get one to quit leaking you need to tell them because they've never figured it out.
1990 YJ 4" BDS lift, shackle reversal, 33" TSLs
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Old 03-26-2010, 03:23 PM   #4
Join Date: Mar 2010
Location: Nevada
Posts: 3
I'll try the dye. Its much cheaper than I thought it would be. I have the 4.0 in it. It had no leaks until just over 110,000 miles. i had it dry for a week or so but now it just leaks a tiny bit. Thanks for the dye tip, I'll try to get some this weekend.
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Old 03-27-2010, 09:33 AM   #5
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Join Date: Jul 2009
Location: wisconsin
Posts: 1,963
yeah i had the impossible, i had my 4.2 not leaking for about 4 months. now it leaks if i spend time on the highway. but its about three drops and i am not tearing the rear seal out for that much . when it gets worse i'm fixing it perminatly do u do that u say... stick a 350 in it
some say why i say
its a jeep thing u wouldn't understand
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