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Old 10-16-2011, 03:54 PM   #1
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Worth changing?

Does this oil seapage look like its worth changing? It doesnt leave a puddle in the ground at all, just the seapage you see here. Not sure id I should mess with it or not.
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Old 10-16-2011, 04:05 PM   #2

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Thats the rear diff. And it looks like a little bit coming from the fill plug and a little from the bottom bolt/bottom seal. You could reseal it, try tightening the bolt and securing the fill plug. I would sit a paper towel underneath it over night, and see how many drips are on it. if there is more than like one, I would fix it. because one drip all winter ends up being 120 drips which is enough to get you too low.

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Old 10-16-2011, 04:05 PM   #3
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Unless you're leaving marks in your driveway I wouldn't worry about it. Whens the last time its been changed?
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Old 10-16-2011, 04:11 PM   #4
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Yep, rear dana 35. I tried tightening up the bottom bolt as much as I could and it still leaking just about a drop or 2 worth. I bought this jeep back in the middle of august and havent changed it. Had my rear wheel cylinders changed out and brake fluid flushed though.
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Old 10-16-2011, 04:34 PM   #5
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May be worth taking a peak, not that hard to take the cover off and inspect, re-seal with new RTV, maybe pick up a new fill plug (they get old and brittle = dont seal well). While your at it you should check the diff breather, if the breather is plugged it will create pressure in diff and that could be why your seeing oil push out of the fill plug.
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Old 10-16-2011, 05:31 PM   #6
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Good advice! Thank you
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Old 10-16-2011, 11:46 PM   #7
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If it's leaking from the fill plug it may be too stiff to seal. You can get one for a couple bucks.

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