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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Front Suspension System) >> Repair Instructions >> Wheel Hub/Speed Sensor Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Wheel Hub/Speed Sensor To Brake Rotor Bolts
    GM1241354Courtesy of GENERAL MOTORS CORP.
  1. Position the wheel bearing/hub assembly on the brake rotor.
  2. Install the mounting bolts from the wheel bearing/hub assembly to the brake rotor.
    3. NOTE: Refer to Fastener Notice .
    IMPORTANT: The following service procedure is to be performed on a flat surface and to ensure that the brake rotor is securely attached to the hub assembly prior to the final torquing procedure. DO NOT use air tools of any type for this procedure.
  3. Tighten the bolts in crisscross pattern.

    Tighten:  Tighten the mounting bolts to 20 N.m (15 lb ft).

  4. Install the backing plate to the wheel bearing/hub, brake rotor assembly.
    5. Fig 2: View Of Steering Knuckle
    GM1135803Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The following service procedure applies to those vehicles that are equipped with 4 wheel drive ONLY.
  5. Install the steering knuckle assembly. Refer to Steering Knuckle Replacement .
    6. Fig 3: View Of Wheel Hub/Speed Sensor Assembly
    GM1253296Courtesy of GENERAL MOTORS CORP.
  6. Install the wheel bearing/hub, brake rotor assembly in the steering knuckle.
    7. Fig 4: View Of Speed Sensor Electrical Connector
    GM1253261Courtesy of GENERAL MOTORS CORP.
  7. Align the wheel speed sensor wiring harness with the reference mark on the steering knuckle.
    8. Fig 5: View Of Wheel Bearing/Hub Mounting Bolts, Brake Rotor Assembly
    GM1253333Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When performing the following service procedure, DO NOT use air tools of any type to torque the brake rotor to hub bolts.
  8. Install the wheel bearing/hub, brake rotor mounting bolts.

    Tighten:  Tighten the mounting bolts to 125 N.m (92 lb ft).

    9. Fig 6: View Of Brake Caliper Mounting Bracket
    GM1241358Courtesy of GENERAL MOTORS CORP.
  9. Install the brake caliper mounting bracket to the steering knuckle.
    10. Fig 7: View Of Brake Caliper Mounting Bracket Mounting Bolts
    GM1241469Courtesy of GENERAL MOTORS CORP.
  10. Install the mounting bolts for the brake caliper mounting bracket.

    Tighten:  Tighten the mounting bolts to 175 N.m (129 lb ft).

    11. Fig 8: Installing Brake Rotor Mounting Bolts
    GM1241342Courtesy of GENERAL MOTORS CORP.
  11. Position a large screwdriver or pry bar in the cooling fins of the brake rotor and the brake caliper mounting bracket.
    12. IMPORTANT: The following service procedure is to ensure that the brake rotor is seated properly on the wheel bearing/hub assembly.
  12. Tighten the mounting bolts for the brake rotor in sequence.
    13. Fig 9: Tightening Mounting Bolts With Torque Wrench
    GM1241348Courtesy of GENERAL MOTORS CORP.
  13. Using a torque wrench, tighten the mounting bolts.

    Tighten:  Tighten the mounting bolts to 110 N.m (81 lb ft).

    14. Fig 10: Identifying Brake Caliper
    GM1241368Courtesy of GENERAL MOTORS CORP.
  14. Install the brake caliper assembly. Refer to Brake Caliper Replacement .
    15. Fig 11: Bundling Speed Sensor Wiring Harness
    GM1339819Courtesy of GENERAL MOTORS CORP.
  15. Remove the tape from the speed sensor wiring harness.
    16. Fig 12: View Of Speed Sensor Bracket
    GM1253302Courtesy of GENERAL MOTORS CORP.
  16. Install the wheel speed sensor wiring harness bracket to the upper control arm.
    17. Fig 13: View Of Speed Sensor Bracket Front Retaining Bolt
    GM1253304Courtesy of GENERAL MOTORS CORP.
  17. Install the front retaining bolt for the speed sensor wiring harness.

    Tighten:  Tighten to retaining bolt to 20 N.m (14 lb ft).

    18. Fig 14: View Of ABS Speed Sensor Wiring Harness
    GM1253279Courtesy of GENERAL MOTORS CORP.
  18. Install the speed sensor wiring harness retainers in the upper control arm.
    19. Fig 15: View Of Speed Sensor Electrical Connector
    GM1253261Courtesy of GENERAL MOTORS CORP.
  19. Reconnect the wheel speed sensor electrical connector.
  20. Install the wheel speed sensor to the body.
  21. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
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