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Rear Diff. Leak


 
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dirtyrican987
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Joined: 09 Jan 2006

PostPosted: Mon Mar 20, 2006 12:44 pm    Post subject: Rear Diff. Leak Reply with quote

so my rear diff was leaking gear oil so i gigured ok the gasket is gone i'll just replace and be all dandy

well i replaced and it still leaked so i got back under there and i see it is coming from where the driveshaft is connecting to the whole assembly of the differential


does anyone know how i can fix this?
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sand zj
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Joined: 20 Mar 2006
Location: Grandville, Mi

PostPosted: Tue Mar 21, 2006 8:23 am    Post subject: Reply with quote

This is a fairly easy fix.
Step 1: Remove drive shaft (BLOCK TIRES BECAUSE W/OUT SHAFT JEEP WILL ROLL)
Step 2: Remove large nut (probably 1-1/8 or 1-1/4) from pinion (this is located inside the yoke from the driveshaft.) You will probably need a good impact wrench for this.
Step 3: Remove yoke, tap firmly on the yoke to pull it out (towards the front of the vehicle)
Step 4: Remove the old seal (PAY ATTENTION TO HOW OLD SEAL IS INSTALLED, WHICH SIDE IS OUT)(pry it out or use a chisel to get it out, carefull not to damage the surface of the axle housing).
Step 5: Take the old seal to a local auto parts store (I reccomend NAPA) and purchase new seal.
Step 6: Install new seal by gently tapping in untill flush for seal is fully seated.
Step 7: Reinstall yoke and driveshaft. You can check torque specs on the pinion but I have always tightened with Impact gun.
Step 8: Check fluid level and add as neccesary.
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Dan Vannette
If you never get stuck...keep trying!
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dirtyrican987
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Joined: 09 Jan 2006

PostPosted: Tue Mar 21, 2006 9:40 am    Post subject: Reply with quote

wow thanks man lol that is one of the best responses on how to fix something ive ever gotten on any car forum


thanks
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sand zj
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Joined: 20 Mar 2006
Location: Grandville, Mi

PostPosted: Wed Mar 22, 2006 5:52 am    Post subject: Reply with quote

Your very welcome. Let me know how it goes.
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Dan Vannette
If you never get stuck...keep trying!
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RoadRunnerTR21
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Joined: 27 Dec 2005
Location: Trinidad, Texas

PostPosted: Sun May 20, 2007 5:43 am    Post subject: Reply with quote

I came across this post after doing a search on "differential leak". This description fits what is going on with my wife's GC. My question is, how many miles should these seals last? She has 59,980 on her jeep and it started dripping differential fluid a few weeks ago. Not bad, just a drop here and there on the garage floor.
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cajzmere
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Joined: 19 Jul 2005
Location: Rochester, NY AKA NY Tundra.

PostPosted: Sun May 20, 2007 9:23 am    Post subject: Reply with quote

Normal.
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RoadRunnerTR21
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Joined: 27 Dec 2005
Location: Trinidad, Texas

PostPosted: Sun May 20, 2007 2:43 pm    Post subject: Reply with quote

Let me understand your reply, 60,000 miles is normal for that seal to start leaking? WTF!
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Brad The Best
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Joined: 14 Jan 2007
Location: Kamloops B.C Canada

PostPosted: Sun May 20, 2007 6:34 pm    Post subject: Reply with quote

please don't use a impact gun on the input yoke . a breaker bar is what you want not an impact gun .

and ya thats normal , things don't last forever .
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RoadRunnerTR21
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Joined: 27 Dec 2005
Location: Trinidad, Texas

PostPosted: Mon May 21, 2007 2:57 am    Post subject: Reply with quote

Wow! I didn't know. Thanks for the feedback...
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mudgts
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Joined: 21 May 2007

PostPosted: Mon May 21, 2007 4:21 am    Post subject: Reply with quote

If I had known this a few weeks ago, I wouldn't have spent $220 at a Jeep dealer to get the rear pinon changed. it does make a difference though was worth the money.

If you have a few hours to do it yourself, go for it.
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concreteSwell
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Joined: 23 May 2007
Location: Roanoke, VA

PostPosted: Wed May 23, 2007 12:15 pm    Post subject: Reply with quote

I just noticed I have this same leak. I have an SYE and a new CV driveshaft sitting in my spare room. Would these fix the problem I'm having?
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