REMOVAL & INSTALLATION
- Raise the front of the truck and support with safety stands. Remove the wheels.
- Remove the brake caliper and suspend it with wire, out of the way. Remove the caliper torque plate.
- Remove the axle end cap and then remove the cotter pin, nut lock and nut.
- Pull the hub/disc assembly off the spindle with the outer bearing. Don't let the bearing fall out!
- Pry the inner oil seal out and remove the inner bearing from the hub.
- Clean the bearings and outer races and inspect them for wear or cracks.
- Using a brass drift and a hammer, drive out the bearing outer race. Press a new one into position.
- Pack the bearings with grease until it oozes out the other side. Coat the inside of the hub and cap with grease.
- Position the inner bearing into the hub, coat the oil seal with grease and press it into the hub.
- Press the hub assembly onto the spindle and install the outer bearing and thrust washer.
- Install the hub nut and tighten it to 25 ft. lbs. (34 Nm). Turn the hub a few times to seat the bearings and then loosen the nut until there is 0.5-1.0mm axial play. Using a spring tension gauge, check that the preload is 1.3-4.0 lbs.
- Install the locknut, new cotter pin and hub grease cap.
- Install the brake torque plate to the knuckle and tighten the bolts to 80 ft. lbs. (108 Nm). Install the brake caliper and tighten the bolts to 65 ft. lbs. (88 Nm).
- Install the wheels and lower the truck.
Hub and bearing removal and installation procedures for these models are detailed in the "Front Drive Axle" in Drive Train of this repair guide.