GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Tracker - 2WD 🢒 Brakes 🢒 Antilock Brake System 🢒 Front Wheel Speed Sensor Replacement

Removal Procedure

    Object Number: 221628 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 (3).
  4. Remove the front wheel speed sensor (1) from the steering knuckle (2).

    5. Object Number: 395816 Size: SH
  5. Remove the front wheel speed sensor, sensor harness (2), and harness bracket (1) from the vehicle.

Installation Procedure

    Object Number: 221628 Size: SH
  1. Install the front wheel speed sensor assembly (1) to the steering knuckle (2).

    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.

  2. Install the retaining bolt (3).

    3. Tighten
    Tighten the retaining bolt to 7.8 N·m (69 lb in).

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