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Re: C20 Dana 60 Wheel Bearing Grease or Gear Oil?
As long as the grease in the rear end is kept full or near full, enough grease flows to the wheel brgs. when the truck leans or goes around corners the grease is fed to the brgs. Some grease is stored in the hub to the level of the axle. I serviced these for 60 years & never had a failure as long as the rear end had enough grease & the brgs were adjusted correctly. Coat the brgs. with gear lube & fill the hub up to the seal & it will work fine. Older models had slingers on the end of the hub that would send any grease that leaked by the seal out to the tire instead of in the brake drum. Modern seals installed correctly don't need these.
George
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