GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 221461  Size: SH
  1. Remove the wheelhousing. Refer to Wheelhouse Panel Replacement in Body Front End.
  2. Important: The wheel speed sensor is serviceable only as an assembly. Do NOT attempt to service the sensor harness pigtail.

  3. Disconnect the wheel speed sensor electrical connector (1).

  4. Object Number: 221463  Size: SH
  5. Remove the nut and clips retaining the wheel speed sensor pigtail harness (1).

  6. Object Number: 603596  Size: SH
  7. Remove the wheel speed sensor retaining bolt (2) and remove the wheel speed sensor (1) from the steering knuckle.

Installation Procedure


    Object Number: 221464  Size: SH

    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.

  1. Install the wheel speed sensor (2) to the steering knuckle. Secure with 1 bolt.
  2. Tighten
    Tighten the front wheel speed sensor bolt to 8 N·m (69 lb in).


    Object Number: 221463  Size: SH
  3. Connect the wheel speed wiring harness (1) to the vehicle. Secure with nut and clips.
  4. Tighten
    Tighten the pigtail harness nut to 5 N·m (48 lb in).


    Object Number: 221461  Size: SH
  5. Connect the wheel speed sensor electrical connector (1).
  6. Install the wheelhousing. Refer to Wheelhouse Panel Replacement in Body Front End.
  7. Perform Diagnostic System Check - ABS .