Differential fluid coming out of the diff breather

jorgelrod

Hooked
After a 150 mile trip to where I'm at right now, I noticed that diff fund is coming out of the diff breather after smelling some of it in the cab since I raised the rear breather to the rear stop light, I'll be checking in more detail when I get back, but besides the obvious excess of fluid that expanded with heat, is there something I have to worry about?
 
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