Let's talk Dana 80 axle temps
I've noticed my rear hubs are awfully hot to the touch this summer after cruising at no more than 50 mph for an hour on the highway. No dragging brakes here. I am going to get a contactless thermo...
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It is not just full floating rearends that use the differential oil for the bearings. Semi floaters do as well. In fact I have never heard of a conventional rearend that uses grease for them...FWIW, I have totally rebuilt axles incuding setting up new Ring and Pinion gears.
