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Old 03-20-2012, 03:56 PM   #1
Smitty03's Avatar
Join Date: Feb 2012
Posts: 178
Front diff leaking AGAIN

I had a very reputable mechanic change my front diff seal last month. He inspected the yolk for any imperfections as I asked him. I even had a brand new yolk in the box if he needed it. Original shaft was fine with no need to replace with the new one. Problem is, its leaking once again from the seal! Just to clarify, the leak is not from the cover gasket. The Lube Locker I installed is sealing tight. Another Jeeper said that it is a common problem in the D30 and you just have to check your fluid often, and live with it. Is the case? Just doesn't sound right.

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Old 03-20-2012, 04:02 PM   #2
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Join Date: Oct 2011
Location: Oregon City, OR
Posts: 5,410
Simple....Take it back to your reputable mechanic and see how reputable he really is.

'99 Chili Pepper TJ - I4 PowerTech motor
33x12.5 DuraTracs
Zone 4.25"
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Old 03-20-2012, 04:14 PM   #3
Join Date: Nov 2011
Location: Calgary, Alberta
Posts: 212
Make sure the vent hose is not plugged. If it is, it is more than likely pressurizing the housing and forcing the fluid out the weakest link, which is the pinion seal in your case.
If it is plugged and you unplug it, the leaking will more than likely stop without touching the seal.

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Old 03-20-2012, 04:52 PM   #4
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Posts: 178
Thanx. I will check the vent hose.
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