GM Service Manual Online
For 1990-2009 cars only

Knee Bolster Replacement Buick

Removal Procedure


    Object Number: 282976  Size: SH
  1. Remove the instrument panel trim plate. Refer to Instrument Cluster Trim Panel Replacement .
  2. Remove the left sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  3. Remove the fasteners  (4).
  4. Remove the knee bolster (3) from the instrument panel.
  5. Disconnect the electrical connectors (1, 6).
  6. Remove the air temperature sensor from the knee bolster. Refer to Inside Air Temperature Sensor Replacement in HVAC System-Automatic.

Installation Procedure

  1. Install the air temperature sensor to the knee bolster. Refer to Inside Air Temperature Sensor Replacement in HVAC System-Automatic.

  2. Object Number: 282976  Size: SH
  3. Connect the electrical connectors (1, 6).
  4. Install the knee bolster (3) to the instrument panel.
  5. 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.

  6. Install the fasteners (4).
  7. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  8. Install the left sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  9. Install the instrument cluster trim plate. Refer to Instrument Cluster Trim Panel Replacement .

Knee Bolster Replacement Oldsmobile

Removal Procedure

  1. Remove the knee bolster trim panel. Refer to Driver Knee Bolster Panel Replacement .

  2. Object Number: 492581  Size: SH
  3. Remove the fasteners  (4) retaining the knee bolster reinforcement to the IP.
  4. Partially remove the reinforcement (3).
  5. Disconnect the electrical connector (1) from the air temperature sensor.
  6. Disconnect the aspirator tube (2) from the air temperature sensor.

    Remove the knee bolster reinforcement (3).

  7. Remove the air temperature sensor from the knee bolster reinforcement. Refer to Inside Air Temperature Sensor Replacement in HVAC System-Automatic.

Installation Procedure


    Object Number: 492581  Size: SH
  1. Install the air temperature sensor to the knee bolster reinforcement. Refer to Inside Air Temperature Sensor Replacement in HVAC System-Automatic.
  2. Partially install the knee bolster reinforcement (3).
  3. Connect the aspirator hose (2) to the air temperature sensor.
  4. Connect the electrical connector (1).

  5. Locate the reinforcement to the locator pins on the IP carrier.
  6. 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.

  7. Install the reinforcement fasteners (4).
  8. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  9. Install the knee bolster trim panel. Refer to Driver Knee Bolster Panel Replacement