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Old 03-26-2010, 12:45 AM   #1
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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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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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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.
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Old 03-26-2010, 03:23 PM   #4
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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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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 ....how do u do that u say... stick a 350 in it
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