GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 624928  Size: SH
  1. Remove the left I/P endcap. Refer to Instrument Panel Outer Trim Cover Replacement in Instrument Panel, Gages and Console.
  2. Remove the left air deflector. Refer to Instrument Panel Outer Air Outlet Deflector Replacement - Left Side in Heating, Ventilation, and Air Conditioning.

  3. Object Number: 624933  Size: SH
  4. Disconnect the electrical connector from the I/P dimmer switch.
  5. Remove the I/P dimmer switch knob by pulling outward removing it from the switch.
  6. Remove the fasteners securing the I/P dimmer switch to the air deflector.
  7. Remove the I/P dimmer switch.

Installation Procedure

  1. Position the I/P dimmer switch to the air deflector.
  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 fasteners in order to secure the I/P dimmer switch to the air deflector.
  4. Tighten
    Tighten the fasteners to 2 N·m (18 lb in).


    Object Number: 624933  Size: SH
  5. Connect the electrical connector to the I/P dimmer switch.
  6. Install the I/P dimmer switch knob.

  7. Object Number: 624928  Size: SH
  8. Install the left air deflector. Refer to Instrument Panel Outer Air Outlet Deflector Replacement - Left Side in Heating, Ventilation, and Air Conditioning.
  9. Install the left I/P endcap. Refer to Instrument Panel Outer Trim Cover Replacement in Instrument Panel, Gages and Console.