I recommend pulling the hubs, repacking with top quality bearing grease such as pennzoil 707 red. I have ez lube Dexter axles, waited two years- about 3,000 towing miles to pull my hubs. Found two outer bearings and races severely spalled, heat damages. Grease around my bearings was black. Dexter does not pre pack bearings correctly which caused mine to wear rapidly, almost causing me big problems. Also they use Chinese junk bearings. I just replaced all the bearings with timken races and bearings, Dexter seals. Even towing at 70mph, and heavy braking, my hubs run Luke warm. We are buying new 5th wheel in the fall, first thing I'm doing is pulling the hubs.
I agree with some others on here that the ez lube can cause more harm than good. Seals and grease are cheap, just pull hubs every two years, repack- cheap insurance for few hours of easy work.
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2011 Powerstoke
2013 334RBTS
East Bound & Down- We Love Camping :)
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