Operation CHARM: Car repair manuals for everyone.

Wheel Hub: Service and Repair

REMOVAL

NOTE: The Special Service Tool (SST) required
to complete this replacement is a J 29117-A wheel bearing cup remover.

1. Raise the vehicle and support it with safety stands,then remove the brake caliper.

NOTE: Suitably support the caliper to prevent damage to the brake hose.

2. Remove the bearing cap from the rotor.
3. Remove the cotter pin, nut, and washer, then remove the rotor from the spindle being careful not to damage the outer bearing and spindle threads.
4. Remove the outer bearing and pry the seal out and discard it.





5. Remove the inner bearing using the J 29117-A tool to remove the inner race.
6. Clean all the parts in a solvent and air dry. Do not spin the bearings with compressed air. Make sure all parts are clean and free of grease.
7. Inspect the rotor, bearings and races for a cracked cage, worn or pitted rollers, cracks, scores, or a brinelled condition.

INSTALLATION

NOTE: Apply an approved high-temperature front wheel bearing grease to the spindle at the inner and outer bearing seat, shoulder, and seal seat. Also use a finger to apply a small amount of grease inboard of each bearing cup in the rotor. Pressure pack the bearings with a greasing machine or hand pack them, making sure the grease is worked thoroughly into the rollers, cone, and cage.





1. Insert the inner bearing into the rotor, applying an additional quantity of grease outboard of the inner bearing.
2. Install the seal and do the following.
a. Lubricate the seal lip.
b. Use a flat plate to press the seal down flush with the hub.
c. Seat the outer bearing and cup.

3. Place the rotor onto the spindle, being careful not to scuff the spindle threads.
4. Insert the outer bearing into the rotor.
5. Install the washer and nut tightening the nut to 16 Nm (12 ft. lbs.) while turning the wheel assembly forward by hand. Apply grease to the outboard side of the outer bearing.

NOTE: Adjust the wheel bearings.

6. Install the brake caliper then lower the vehicle.