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Old 02-15-2013, 08:12 PM   #1
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Rear differential vent tube leak

I got home today and noticed some grease/oil dripping down the side of my gas tank. I followed it and its coming from the vent tube for the rear differential. I'm not sure why it would be leaking though. I haven't changed the fluid since 3 or 4 months ago. The only thing that happened today was I jump the median to make a u turn and it was a little higher and it hit it a little harder than i intended. Maybe this could have did something? Nothing bottomed out but i did bounce up and down pretty good. Thanks!

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Old 02-19-2013, 08:24 AM   #2
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any ideas?

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Old 02-19-2013, 09:00 AM   #3
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Subscribed, as I have noticed the same thing. I put an aftermarket cover on and am thinking I may have overfilled it, and now the pressure is pushing the extra out.
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Old 02-19-2013, 02:09 PM   #4
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Subscribed, as I have noticed the same thing. I put an aftermarket cover on and am thinking I may have overfilled it, and now the pressure is pushing the extra out.
yeah i bet that is your issue. I've done a lot of reading and that's the #1 reason. For me, i'm thinking i got water in there maybe and thats what did it. Although i haven't been in water in a few weeks....
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Old 02-21-2013, 02:21 PM   #5
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Anybody have any ideas, or seen this?
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Old 02-21-2013, 03:30 PM   #6
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Where is the other end of that vent tube supposed to go?
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Old 02-21-2013, 04:09 PM   #7
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It connects to the top of the diff and the other end is up by the gas tank filler tube.
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Old 02-21-2013, 04:26 PM   #8
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It connects to the top of the diff and the other end is up by the gas tank filler tube.
yeah at first i thought my gas tank filler was leaking but then i figured out what it was. I'm 90% sure i probably got water in my diff. I was stuck in water up to the doors for about an hour a month or so ago. I'm just not sure why it starting coming out now unless i just didn't notice it before. either way i need to change the fluid before I drive it much more to prevent any damage from the water.
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Old 02-21-2013, 04:27 PM   #9
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Subscribed, as I have noticed the same thing. I put an aftermarket cover on and am thinking I may have overfilled it, and now the pressure is pushing the extra out.
do you remember how many quarts you put in? I bet you did over fill it. You should clean it up and see if it keeps leaking or not. I'm sure yours will stop soon, once the correct amount is left in your Diff.
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Old 02-21-2013, 06:33 PM   #10
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It connects to the top of the diff and the other end is up by the gas tank filler tube.
Thanks

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