GM Service Manual Online
For 1990-2009 cars only

Electronic Suspension Front Position Sensor Replacement 15 Series

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 516264  Size: SH
  3. Disconnect the sensor harness connector from the vehicle harness connector.
  4. Remove the wheel speed sensor wire from the real time damping (RTD) sensor bracket.
  5. Remove the wheel speed sensor wire from the (RTD) sensor bracket.
  6. Remove the (RTD) sensor link bracket bolt from the upper control arm.

  7. Object Number: 516266  Size: SH
  8. Remove the bolt from the frame.
  9. Remove the position sensor from the vehicle.

Installation Procedure


    Object Number: 516266  Size: SH
  1. Install the position sensor on the vehicle.
  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 bolt to the frame.
  4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).


    Object Number: 516264  Size: SH
  5. Install the (RTD) sensor link bracket bolt to the upper control arm.
  6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  7. Install the wheel speed sensor wire from the real time damping (RTD) sensor bracket.
  8. Install the wheel speed sensor wire to the (RTD) sensor bracket.
  9. Connect the sensor harness connector to the vehicle harness connector.
  10. Remove the safety stands.
  11. Lower the vehicle.

Electronic Suspension Front Position Sensor Replacement 25 Series 2WD

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 516260  Size: SH
  3. Disconnect the sensor harness connector from the vehicle harness connector.
  4. Remove the wheel speed sensor wire from the RTD sensor bracket.
  5. Remove the RTD sensor link bracket bolt from the upper control arm.
  6. Remove the bolt from the frame.
  7. Remove the position sensor from the vehicle.

Installation Procedure


    Object Number: 516260  Size: SH
  1. Install the position sensor to the vehicle.
  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 bolt to the frame.
  4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  5. Install the RTD sensor link bracket bolt to the upper control arm.
  6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  7. Connect the sensor harness connector to the vehicle harness connector.
  8. Install the wheel speed sensor wire to the RTD sensor bracket.
  9. Install the RTD sensor link bracket bolt to the upper control arm.
  10. Lower the vehicle.

Electronic Suspension Front Position Sensor Replacement 25 Series 4WD

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 516262  Size: SH
  3. Disconnect the sensor harness connector from the vehicle harness connector.
  4. Remove the wheel speed sensor wire from the real time damping (RTD) sensor bracket.
  5. Remove the RTD sensor link bracket bolt from the upper control arm.
  6. Remove the bolt from the frame.
  7. Remove the position sensor from the vehicle.

Installation Procedure


    Object Number: 516262  Size: SH
  1. Install the position sensor on the vehicle.
  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 bolt to the frame.
  4. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  5. Install the (RTD) sensor link bracket bolt to the upper control arm.
  6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  7. Install the wheel speed sensor wire to the real time damping (RTD) sensor bracket.
  8. Connect the sensor harness connector to the vehicle harness connector.
  9. Lower the vehicle.