GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 166053  Size: SH
  1. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the front wheel speed sensor electrical connector.
  3. Remove the retaining bolt.
  4. Important: If the sensor locating pin breaks off and remains in the knuckle during removal, proceed as follows:

    1. Remove the brake rotor and remove the broken pin using a blunt punch.
    2. Clean the hole using sand paper wrapped around a screwdriver or other suitable tool. Never attempt to enlarge the hole.

  5. Remove the front wheel speed sensor. If the sensor will not slide out of the knuckle, remove the brake rotor and use a blunt punch or equivalent tool in order to push the sensor from the back side of the knuckle.

Installation Procedure


    Object Number: 166053  Size: SH
  1. Install the front wheel speed sensor to the steering knuckle.
  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.

  3. Install the retaining bolt.
  4. Tighten
    Tighten the retaining bolt to 12 N·m (107 lb in).

  5. Connect the front wheel speed sensor electrical connector.
  6. Lower the vehicle.
  7. Perform the Diagnostic System Check - ABS .