Oil Leak - Returned - Jeep Wrangler Forum

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Old 08-17-2013, 05:03 PM   #1
Join Date: Aug 2012
Posts: 77
Oil Leak - Returned

Bought my JK 1 year ago and it had a slight oil leak. Drip here, drip there, about a quart between oil changes.

About a month ago I had the rear main seal changed and it fixed it. But before even getting to my next oil change it's returned!

Is this common?

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Old 08-17-2013, 06:56 PM   #2
Join Date: Aug 2012
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Just crawled under it with a flash light....the oil is everywhere, not like before. Oil pan, transmission dust cover, and everything in the proximity. The highest point I could find is the oil filter....it was on the filter near the seal...so I think that may be where it's coming from. Hopefully its the filter. Since I didn't see oil up that high when it was the seal...I'm praying it's only the filter.

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Old 08-17-2013, 07:04 PM   #3
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good luck, keep us posted.
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Old 08-17-2013, 09:36 PM   #4
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It is not common on the 3.6, but very common on the TJ 4.0 I don't know about the 3.8.
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Old 08-18-2013, 04:23 PM   #5
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My mechanic said it looks like the top oil pan seal. We'll replace this week and I'll update.
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Old 08-18-2013, 04:53 PM   #6
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Location: Kodiak AK
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Problably a stupid question but when they changed the oil they did get the old gasket/o-ring off before they put the new one on. Happened to my dads truck is why I ask. He ended up with a new engine on the dealership.

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