GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Suspension 🢒 Suspension General Diagnosis 🢒 Front Wheel Hub, Bearing, and Seal Replacement

Removal Procedure

    Caution: Never place vehicle on the ground with the halfshaft removed or the halfshaft nut torqued improperly. Otherwise, bearing seals may become dislodged causing premature wear and/or damage to the hub and bearing assembly.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  3. Remove the rotor. Refer to Front Brake Rotor Replacement.
  4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle.
  5. Disconnect the electrical connection for the wheel speed sensor.
  6. Remove the wheel driveshaft nut retaining cover.
  7. Remove the wheel driveshaft assembly retaining nut and washer from the wheel driveshaft assembly.

    8. Disengage the wheel driveshaft from the wheel hub and bearing.


    Object Number: 371077 Size: SH
  8. Remove the wheel hub and bearing mounting bolts.
  9. Remove the wheel hub and bearing and splash shield from the vehicle.
  10. Remove the O-ring seal from the steering knuckle bore.
  11. Remove the wheel speed sensor from the wheel hub and bearing.
  12. Clean and inspect the O-ring seal.
  13. Replace the seal if the following conditions exist:
    14. • Nicks
    • Cuts
    • Dry or brittle
    • Compression set

Installation Procedure
  1. Clean all corrosion or contaminates from the steering knuckle bore and the hub and bearing assembly.
  2. Lubricate the steering knuckle bore with wheel bearing grease or the equivalent.

    3. Object Number: 371077 Size: SH
  3. Install the O-ring to the steering knuckle.

    4. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the wheel speed sensor to the wheel hub and bearing.

    5. Tighten
    Tighten the sensor mounting bolt to 18 N·m (13 lb ft).

  5. Install the wheel hub and bearing and splash shield to the vehicle.
  6. Install the wheel hub and bearing mounting bolts.

    7. Tighten
    Tighten the wheel hub to knuckle bolts to 180 N·m (133 lb ft).

  7. Install the nut and washer retaining the wheel drive shaft assembly to the wheel hub and bearing.

    8. Tighten
    Tighten the nut to 235 N·m (173 lb ft).

  8. Connect the electrical connection for the wheel speed sensor.
  9. Install the wheel speed sensor and brake hose mounting bracket bolt to the steering knuckle.

    10. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  10. Install the rotor. Refer to Front Brake Rotor Replacement.
  11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  12. Lower the vehicle.