I discovered the previous owner of my son's jeep rerouted the vent for the front differential when they installed the lift kit. They routed it along the other side of the axel and zip tied it to the passenger side lower control arm.
This weekend I replaced it with a longer hose and ran it up to by the top of the radiator where it is supposed to be. I also discovered the old hose had a large hole in it & had been there long enough for dirt daubers to build a nest.
Needless to say, I went ahead and ordered the gasket and oil to change the fluid in the differential in the near future.
I replaced the vent too. The old one was missing the cap.
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They did the same thing to my jeep when they put the stupid 3" body lift kit on. They wired the front diff vent to the left front brake hose. The vent cap is missing as well. Why......
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