GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 829894  Size: SH

    Important: The wheel speed sensor is serviceable only as an assembly. Do NOT attempt to service the sensor harness pigtail.

  1. Disconnect the electrical connector (6) from the wheel speed sensor.
  2. Remove the rear axle hub and bearing assembly. Refer to Rear Wheel Bearing and Hub Replacement .

  3. Object Number: 840299  Size: SH
  4. Remove the wheel speed sensor from the rear axle hub.

Installation Procedure


    Object Number: 840296  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 to rear wheel hub.
  2. Install the rear axle hub and bearing assembly. Refer to Rear Wheel Bearing and Hub Replacement .

  3. Object Number: 829894  Size: SH
  4. Connect the wheel speed sensor electrical connector (6).
  5. Perform Diagnostic System Check - Vehicle .