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Unread 06-18-2010, 01:26 PM   #1
nqlblq
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Differential leak?

Hey Guys,

Trying to get a fix on what the problem is here. I'm still new to working on my rig (or any vehicle for that matter). I think my front differential seal is leaking but I was looking for a second opinion.

Since I'm still a newbie I can't port pictures but I have loaded them onto my personal website. There are 4 pics there from the front and bottom. The addy is www.thenickelblock.com/Jeep

Thanks in advance!

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Last edited by nqlblq; 06-18-2010 at 01:50 PM..
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Unread 06-18-2010, 01:46 PM   #2
Wheelin98TJ
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I am getting a "Sorry, forbidden" message when I try to click your links.

Can you upload the pics to Photobucket and post the links here?
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Unread 06-18-2010, 02:03 PM   #3
awkrueger
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Can't see the pics but if it's leaking from the cover, pull it, clean it up and re apply RTV. Can't be too hard.
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Unread 06-18-2010, 02:05 PM   #4
theducksguts
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Is this leak coming from the cover or the Pinion seal?

I receive the same error when trying to access the pictures. Try photobucket, it's what I use and it has been fine.
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Unread 06-18-2010, 02:20 PM   #5
nqlblq
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Bummer. Okay, I'll sign up for photobucket.

The problem is that it's leaking from the seal behind the U-joint.
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Unread 06-18-2010, 02:22 PM   #6
blubaru2002
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that is your pinion seal. no fear... it is an easy DIY job. search jeepsingles.
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Unread 06-18-2010, 02:31 PM   #7
nqlblq
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Sweet! I love this website!

EDIT:: Yikes. Well, given the tools I have with me (on vacation visiting family) I don't know if I can fix this one. Any Jeepers in the Green Bay Area that would want to help me out? I'd make it worth your time! haha. :: EDIT
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Unread 06-18-2010, 03:14 PM   #8
Zen
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How bad is it leaking. Is it pouring out or dripping? How far do you have to drive home from vacation?

Having a slight leak from the pinion seal will not ruin the diff. Running low on fluid will ruin the diff. Maybe it can wait...
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Unread 06-18-2010, 03:24 PM   #9
nqlblq
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It's just dripping. About a drip an hour. I've got another 1000 miles back "home" and by "home" I mean "school"

Eek.
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Unread 06-18-2010, 03:31 PM   #10
TanTJ04
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you just need a 8mm wrench(to remove u-joint straps) breaker bar, 1-1/8" socket, hammer and a flat head screwdriver. I did mine last weekend, both the front and rear took an hour total.
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Unread 06-18-2010, 03:44 PM   #11
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JeepingSingles.net: Tech Section - Pinion Seal Replacement - TJ/YJ
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Unread 06-23-2010, 10:46 PM   #12
nqlblq
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Bump!

I know This has already been diagnosed, but before I get started I want to make SURE that I'm fixing the right thing.

First pic is from the bottom looking up. Second is from the front at an angle. Third is looking down into the U-Joint.
bottomview.jpg   bottomviewangle.jpg   frontviewangle.jpg  
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Unread 06-23-2010, 10:50 PM   #13
Jay12
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Ok thats an axle seal leak, not a pinion seal. Just FYI, the differential is the 'pumpkin' in the center of the axle.
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Unread 06-23-2010, 10:57 PM   #14
nqlblq
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Alright. See, this is why I come here! Pardon my noob-ness. I bought this Jeep as my first dive into DIY auto stuff.

An axle seal leak doesn't sound as bad... right?
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Unread 06-24-2010, 07:03 AM   #15
TanTJ04
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The inner axle seal is a little harder but not impossible DIY. I'll see if I can find a write-up.
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Originally Posted by chriswj View Post
The 4.0 is like that fat guy who will eat mac and cheese that has been on the stove for three days; eats it and wont look back!
2004 TJ X 5spd, 30-Aussie locker and Chromo'd, 44-lsd & disc brakes, 4" Currie lift, Anti-rock, 1.25" bl, UCF 1" skid & Lo-pro mount, AA SYE, JKS MML, ZJ V8 Tierod, JKS Trackbars, smittybuilt winch w/ synthetic line, Caravan fuel injectors, CAI, TB spacer, flowmaster 44 2.5", 35x12.50x15 km2, 7" fenders, uniden cb
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