GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Montana 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Inflatable Restraint Front End Discriminating Sensor Replacement

Removal Procedure
  1. Disable the SIR system. Refer to Disabling the SIR System .

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

Installation Procedure

    Object Number: 742124 Size: SH
  1. Install the front end discriminating 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.

  2. Install the 2 integral bolts that retain the front end discriminating sensor to the frame front crossmember.

    3. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

  3. Connect the sensor electrical connector (2) to the front end discriminating sensor.
  4. Install the CPA to the sensor electrical connector.
  5. Enable the SIR system. Refer to Enabling the SIR System .