Alden,
Do they just do it when they are cold? When I first leave out after the trailer has been parked overnite, mine are very sticky and grabby, making a groaning sound. After traveling a few miles, they quiet down and act normally. (1979 28' Ambassador trailer, similar vintage and length to yours) When I regreased the bearings this spring, the pads had plenty of life left, so they are not worn out. I also get a bit of groaning from the friction anti-sway bar on the hitch.
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Dave
Okemos, MI
T.V.:'05 Dodge Ram 2500 4x4 Quad Cab Cummins
AIR#2276
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