GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    NOTICE: Whenever performing repairs to the wheel speed sensor, wheel speed sensor mounting bracket, steering arm, front caliper anchor plate, steering knuckle, inner bearing dust shield or any attaching fasteners, the wheel speed sensor air gap may be moved out of adjustment. Ensure proper wheel speed sensor air gap to prevent damage to the wheel speed sensor and to insure the proper operation of the antilock brake system.

  1. Raise vehicle.
  2. Remove tire and wheel. Refer to Tire and Wheel Removal and Installation .
  3. Remove the hub and rotor. Refer to Front Wheel Hub, Bearing, and Seal Replacement .

  4. Object Number: 405174  Size: SH
  5. Remove wheel speed sensor to bracket mounting nuts and bolts (6).
  6. Remove wheel speed sensor (3) from mounting bracket (4).
  7. Remove wheel speed sensor to mounting bracket attaching nuts (5).
  8. Remove wheel speed sensor mounting bracket (4).

Installation Procedure


    Object Number: 405174  Size: SH
  1. Install wheel speed sensor mounting bracket (4).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Important: Do not install washers between the attaching nuts and the wheel speed sensor mounting bracket, or insufficient thread engagement may occur.

  3. Install wheel speed sensor mounting bracket attaching nuts (6).
  4. Tighten
    Tighten the attaching nuts to 285 N·m (210 lb ft).

  5. Install and adjust wheel speed sensor to mounting bracket. Refer to Wheel Speed Sensor Replacement .

  6. Object Number: 416811  Size: SH
  7. Install the hub (14) and rotor (21). Refer to Front Wheel Hub, Bearing, and Seal Replacement .
  8. Install tire and wheel. Refer to Tire and Wheel Removal and Installation .