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Home >> GMC >> 1981 >> Magnavan Standard Trans >> Repair and Diagnosis (Single Page) >> Suspension >> Front Suspension >> Rear Wheel Bearing >> Adjustment >> General Motors >> 9 3/4 & 10 1/2" Ring Gear Models

9 3/4 & 10 1/2" Ring Gear Models

Tighten bearing adjusting nut to 50 ft.lbs. while rotating brake drum. Back off nut slightly and retighten to 35 ft.lbs. while rotating brake drum. Now back off nut J4 turn. Install nut retainer so that tang will engage nearest slot on adjusting nut. Install outer lock nut and tighten to 65 ft.lbs. There should be 0.001 - 0.010" bearing end play.