I have had some rear diff leakage obvious from diff oil cream. It seems to have slowed but could not figure why with only 1450 miles. While reinstalling my motor I had to pull the axles and rotate the diff to put in driveshaft so I detached the vent tube. After I got the Wolv I checked the vent tube routing that most know abut and it was low and so put it up high. But I never checked the hose. While installing new seals, I looked at the vent tube outlet and it was full of mud. Got to checking hose and yep it was totally blocked, it must have had 6" of its length totally full of dried caked dirt in it, mostly at bottom loop. I initially could not blow compressed air thru it. I did thoroughly clean it out and will reinstall the correct way. I guess I am a little embarrassed for trusting that the hose was open and doing its job. So why would this clogged vent hose make it leak? I believe without the ambient atmosphere available for the diff to release heat and pull in clean fresh air, when it gets as hot as those diffs do, it will vent the pressure thru the seals and when it cools like going thru a stream or even stopping for a few minutes in water, it can create a vacuum to pull in the water with the air trying to equalize the pressure. Mostly I just wanted to share the need to check the rogue rear diff vent hose if you never have, you should be able to blow through it.
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