Gear oil burped out through breather hose - Defender Source
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Old February 13th, 2014, 10:22 AM
Tyler Wirken
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Tyler Wirken
1997 Defender 90 LE
Join Date: May 2007
Location: Kansas City, Mo
Posts: 696
Gear oil burped out through breather hose

So what would cause gear oil out of the rear diff to come out of the breathing tube all the way up in the engine bay? Yesterday I climbed a really short kinda tricky hill and when I got back I had a new oil leak. When I looked at it I saw it was coming out of the breather tube for the rear diff. Can't for the life of me figure that one out. Truck drives fine. Nothing broken etc... The only thing I can think of is I used my rear ARB locker at one point for like 3 feet and then switched it off. Maybe a locker malfunction pumping air into casing?

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Old February 13th, 2014, 10:26 AM
Red90's Avatar
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John B.
1991 Defender 90, 200TDI
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Join Date: Sep 2003
Location: Calgary
Posts: 9,249
Possibly an air leak in the ARB. Turn it on and see if there is air coming out of the breather.
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