Do you have the EZ-Lube wheel bearings? If so, they might have been greased without rotating the wheel. This might cause the bearing cup in the back to fail, and thus drip grease into the brake drum. Meaning that your brake shoes would be covered in grease.
Ron
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2011 Alpine 3640RL (Beauty)
(Gone! Now replaced by Beauty3)
2016 Ford F-450 (The Beast)
Diesel 4x4, DRW, LB, CC
Comfort Ride Hitch