W150 1/2 Ton Pickup 4WD V8-318 5.2L VIN Y FI (1988)
Wheel Bearing: Adjustments
Front Suspension
Motor Home
MOTOR HOME
1. Rotate wheel and tighten adjusting nut until a slight binding is felt.
2. Back off adjusting nut so that the nearest slot indexes with the cotter pin hole in the spindle. Never back off adjusting nut less than half
the distance from one slot to the next slot.
3. Install cotter pin to locknut and ensure that wheel rotates freely.
Truck
1. Torque adjusting nut to 360-480 inch lbs. for Vans, Wagons and Front Sections or 90 inch lbs. for Ramcharger, Trail Duster and Conventional
Cabs while rotating wheel.
2. Stop wheel from rotating, then back off adjusting nut to completely release bearing preload.
3. Tighten adjusting nut finger tight, then install locknut and cotter key. End play should be 0.0001 to 0.003 inch.
4. Clean grease cap, coat inside with suitable wheel bearing grease and install cap. Do not fill cap with grease.
4WD
1. Raise and support vehicle.
2. Remove locking hub assembly, then the wheel bearing locknut and washer.
3. Torque adjusting nut to 50 ft-lbs, using tool No. C-4170 or equivalent, to seat the bearing.
4. Loosen adjusting nut and retorque to 30-40 ft-lbs while rotating hub, then back off adjusting nut 135°-150°.
5. Install retaining washer and bearing locknut. Tighten locknut to specifications. Endplay should be 0.001-0.010 inch.