GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disable the SIR system. Refer to SIR Disabling and Enabling .

  2. Object Number: 742124  Size: SH
  3. Remove the connector-position assurance (CPA) from the electrical connector on the front end sensor.
  4. Disconnect the front end sensor electrical connector (2) from the front end sensor.
  5. Remove the 2 integral bolts that retain the front end sensor to the frame front crossmember.
  6. Remove the front end sensor from the vehicle.

Installation Procedure


    Object Number: 742124  Size: SH
  1. Install the front end 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 2 integral bolts that retain the front end sensor to the frame front crossmember.
  4. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  5. Connect the sensor electrical connector (2) to the front end sensor.
  6. Install the CPA to the sensor electrical connector.
  7. Enable the SIR system. Refer to SIR Disabling and Enabling .