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HI Slide. Bobs pinion bearing pre load is too high. with a set of new bearings the max inch lbs. is 22in lbs. With used bearing the max preload should be 8-12 in lbs on the pinion alone and the carrier unit installed should be no more than 18 in lbs for a dana 44 center section. Also check the pinion flange for a groove. If no groove clean it good with steel wool. Put grease on the seal before you reassembly the flange unit. CWI has a kit to update the old design that work great. Take your time good luck Rick Lake P.S. when installing new bearings on the pinion in the case you crush the collar between the two bearing with 120 - 130 lbs to pre set the pinion bearing than back off and reset the flange nut to the drag load. It will spin easy in your hand, with lite drag.
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