Front Axle - Hub/Bearing

Hub/Bearing

Removal

1. Raise and support the vehicle.
2. Remove the wheel and tire assembly
3. Remove the caliper adapter bolts from the steering knuckle and remove caliper adapter assembly. Service and Repair

NOTE: Do not allow brake hose to support caliper adapter assembly.

4. Remove the rotor from the hub/bearing wheel studs.





5. Remove the hub/bearing nut and slide the hub/bearing off the spindle. On 3500 HD models the hub spindle shaft must be removed.





CAUTION: The hub/bearing nut can not be re-used.

Installation

1. On models with all-wheel antilock system (ABS), check condition of tone wheel on hub/bearing. If teeth on wheel are damaged, hub/bearing assembly will have to be replaced (tone wheel is not serviced separately).
2. Slide the hub/bearing onto the spindle. On 3500 HD slide the spindle stub shaft into the hub/bearing and tighten.
3. Install the new hub/bearing nut and tighten to 380 Nm (280 ft. lb.).
4. Install the rotor onto hub/bearing wheel studs.
5. Install the caliper adapter assembly Service and Repair, tighten adapter bolts to 285 Nm (210 ft. lbs.).
6. Install the wheel and tire assembly and lower the vehicle. Wheels and Tires
7. Apply brakes several times to seat brake shoes. Be sure to obtain firm pedal before moving vehicle.