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Originally Posted by Motoman You have to fill the entire cavity in the hub with grease using the bearing buddy to lube both the outer and innner bearing. Then when the hub gets warm/hot from driving for hours that grease has to expand somewhere; guess where. It squirts out past the seals into the brake assembly area and will likely drip down on the shoes and inside of the brake drums. Doesn't matter when you are pulling a boat trailer or small utility trailer without brakes but you don't want to do that with your Airstream. | This is not the correct method for using bearing buddies. The cavity gets filled so the bearing buddy outer section just moves. As the grease heats up it will expand an push out the outer assembly against a spring. When it cools the outer assembly moves back to the original position because of spring pressure.
If grease expands out beyond the seal (into the braking area) then too much grease is inside.
Use of the bearing buddy can not take the place of brake lining, bearing and magnet inspections.
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1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - towing a - 1966 Overlander International Twin Bed
1996 Lincoln Mark VIII Diamond Anniversary 4.6L (275hp), 4R70W - 1990 Ford E 150 5.8L, E4OD, 3.55 ____________________________________
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