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Old 12-04-2012, 11:38 PM   #1
Join Date: Dec 2012
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Oil Leak

I have a 2003 Wrangler 4.0l V6 and a couple weeks back noticed a decent oil leak. I replaced the rear main seal as well as the oil pan gasket. After about a week noticed it was still leaking looked like it was coming from the valve cover so replaced the valve cover gasket. Checked yesterday and it looks like its still leaking. When the car is sitting and cold no drips drops or puddles after it heats up though that when the oil flows. Was looking for suggestions of where to look next also wanted to know if it could be residual oil from the replacements. Any info helps.

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Old 12-05-2012, 01:43 PM   #2
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Location: New Baltimore, MI
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Intake gasket or rear main seal, maybe? Mine had a valve cover gasket leak, but it was so caked with oil and dirt I had to clean it good to be sure there were no other leaks, maybe that could help pinpoint your leak.

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Old 12-05-2012, 01:54 PM   #3
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Sometime the Valve cover gets warped a little and they will still leak after redoing the RTV.

I had to redo my cover 2-3 times to finally get it right to stop leaking. What I did it apply new RTV to the cover, layed the OEM rubber gasket lightly on the RTV and let sit over night for about 8 hours. Threw the cover back on in the motor in the morning and it has not leaked since (10 months). So it seemed to finally seal with RTV that had mostly cured.
'99 Chili Pepper TJ Wrangler "Mistress"
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