Ring & Pinion Lube

[Jim B]

Originally Posted by Myron Piatek

To elaborate on this, the aftermarket, non-adjustable bearings normally used on Mopar rear ends are the sealed "Green" bearings. The OEM adjustable versions may require gear lube. But I haven't looked at one, much less used one for decades.

The Mopar OEM 8 3/4 and Dana 60 axle bearings get packed in grease (like front wheel bearings) prior to pressing the assembly on the axle shaft. There is an inner grease seal in the housing that prevents rear end fluid from reaching the wheel bearings.