2004 Wrangler 4.0 - 6 Cylinder - Auto - Oil Gasket Leak - New Pan - JeepForum.com
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Go Back JeepForum.com > General Technical Discussions > Engines & Drivetrain > 2004 Wrangler 4.0 - 6 Cylinder - Auto - Oil Gasket Leak - New Pan

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Unread 11-01-2013, 09:28 PM   #1
ENIGMACODE
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2004 TJ Wrangler 
 
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2004 Wrangler 4.0 - 6 Cylinder - Auto - Oil Gasket Leak - New Pan

Hello

I have a 2004 Willy's Edition. I'll be needing a new oil pan. The current pan rusts, and gets worse every year. Its not leaking yet, but needs to be replaced. Aside from that, I also have a slow oil leak coming from directly where the rear of the engine meets the tranny. I can see it. It looks like a seal.

My question is; can the labor of these two tasks be consolidated, or are they two SEPARATE issues requiring extensive labor? Some say the tranny will actually have to be backed out to replace the seal.

Thank you

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Unread 11-02-2013, 04:50 AM   #2
uberxj92
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They can be consolidated. Its actually easier to do both together. That seal should be 2 piece. You won't have move the tranny. You can just roll the old one out and new one in. Go slow.
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Unread 11-02-2013, 06:11 AM   #3
ENIGMACODE
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Hello uberxj92

Thanx for the speedy reply. If this is true, it sounds less to worry about, thank you. The oil leakage, (although not noticeable on the dip stick), appears to be spreading from movement, inertia, to the lower protective plate that shrouds the bottom of the tranny, if you can visualize what I'm taking about? If you'd like, I can snap a few shots and post them here for you?

Thanks again
Mike
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Unread 11-02-2013, 06:14 AM   #4
Duh
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Rear main crank sealis probably what your talking about. The pan has to be removed for it, so should only pay labor for the seal. 3.5 hrs im thinking alldata says on a tj?
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Unread 11-02-2013, 06:17 AM   #5
ENIGMACODE
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Hello Duh - Thank you as well.

I'll take some photos and post them up here for you guys. Have a great day, see you all later.

Best
Mike
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Unread 11-02-2013, 08:53 PM   #6
ENIGMACODE
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Hi Guys

Here's a few photos illustrating the rusted pan, and the oil leak. Perhaps the photos can help confirm that the labor requires the pan needs to be removed in any event, and that the tranny doesn't necessarily have to be backed out?

http://www.locationstudio.net/Wrangler-2004-1.jpg < Oil Leak

http://www.locationstudio.net/Wrangler-2004-2.jpg < Rusted Pan

http://www.locationstudio.net/Wrangler-2004-3.jpg < Rusted Pan

http://www.locationstudio.net/Wrangler-2004-4.jpg < Rusted Pan

http://www.locationstudio.net/Wrangler-2004-5.jpg < Rusted Pan

http://www.locationstudio.net/Wrangler-2004-6.jpg < Oil Leak

http://www.locationstudio.net/Wrangler-2004-7.jpg < Oil Leak

Thanx again
Mike
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Unread 11-03-2013, 01:28 PM   #7
Duh
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What your pointing at isnt really a gasket. Whats on the other side of it is the rear main seal. Common leak on the 6cyl.
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Unread 11-03-2013, 07:51 PM   #8
ENIGMACODE
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Hello again Duh

"Rear main crank seal is probably what you're talking about." "Whats on the other side of it is the rear main seal."

So then, this is what you were referring to originally? Yes? This can all be accomplished at the same time. Same labor - Yes? The pan replacement and the rear seal - Yes?
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Unread 11-03-2013, 07:54 PM   #9
Duh
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Yes. The rear main seal is at the rear of the engine above the oil pan. In the picture you showed, its right a ove where you had arrows pointing. In the 6cyl, the pan has to be removed to get to the rear main seal, so labor should be combined.
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Unread 11-03-2013, 08:11 PM   #10
ENIGMACODE
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THANK YOU DAH!

So you say this leaky seal is common in 6 cylinder Wranglers?

I intend to replace everything with Mopar Parts.

Is there anything else I should know about?

Is there some type of filter hidden inside/under the pan?

Thanx again
Mike
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Unread 11-04-2013, 05:17 AM   #11
Duh
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Nothing hidden in the pan. Nee pan gasket should be done too. Felpro makes the oem gasket, and spectra makes the oem pan. Would save you money buying them locally or on rock auto.
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