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Old 05-05-2012, 03:12 PM   #1
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Rear Differential Leak - Quick Fix?

Hey, gents. The folks who balanced my tires recently told me that it would cost roughly $250 to fix the seal on my leaking rear dif. I can turn a wrench on a motor but I dont know a whole lot about the underside. $250 sounds a little high. Is this the kind of thing I could do in a parking lot? Any advice would be greatly appreciated.
Thanks Much.

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Old 05-05-2012, 03:13 PM   #2
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Pinion or axle seal? Still pretty high no matter what.

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Old 05-05-2012, 03:33 PM   #3
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Not sure. Does the pic tell you anything? Like I said, I'm no genius where it comes to this stuff!
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Old 05-05-2012, 03:36 PM   #4
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Can you take a picture of the other side where the yoke is?
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Old 05-05-2012, 03:46 PM   #5
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Just a sec...
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Old 05-05-2012, 03:49 PM   #6
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Wasn't easy... In my work clothes!
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Old 05-05-2012, 03:52 PM   #7
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Looks like a pinion seal leak to me...but I'll let the experts get in here.
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Old 05-05-2012, 04:24 PM   #8
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what leak?
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Old 05-05-2012, 04:27 PM   #9
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I can't tell 100% from the pictures, but I'm not seeing anything indicating a terrible pinion seal leak. If it's an axle seal leak, you'd have differential oil on your brakes and inside your wheels. Leave your Jeep out overnight with a pie
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Old 05-05-2012, 04:37 PM   #10
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Look, the gus at Kaufman Tires... I've got no reason to beleive what they say. But my buddy who helped me install my lift was the first guy who pointed it out to me. He's the kind of gear head who's advice I hold in very high regard and he has no reason to talk me into a shop for no for nothing. Plus when we put the lift on last weel there was a great deal of oil slung around on the inside of the rear driver side wheel. Those first photos I posted, you dont see anything there?
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Old 05-05-2012, 05:04 PM   #11
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I would replace the pinion seal and remove the rear cover, clean the cover then reseal that too.
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Old 05-05-2012, 05:14 PM   #12
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Quote:
Originally Posted by StaffCaptainZ06 View Post
I would replace the pinion seal and remove the rear cover, clean the cover then reseal that too.
I'm listening... what makes you say that?
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Old 12-23-2014, 03:12 PM   #13
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I did just that in the rain last night, my first job on the new 02 X. Just be aware that f***ing differential fill hole is in just the right place for a bad day with the gas tank.

Aside of the rust bustin its a pretty straight forward job.
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Old 12-23-2014, 03:21 PM   #14
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Quote:
Originally Posted by James249G View Post
I'm listening... what makes you say that?
Burton160w just explained. If you found it by your wheel and inside then it's probably the cover seal. If it's just the center then a pinion deal leak. Draining fluid and cleaning the diff cover seal and replacing is super easy. The pinion seal is only a 30 minute job. So you might as well do both to save yourself some trouble down the road.

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