GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the center trim bezel. Refer to Instrument Panel Accessory Bezel Replacement in Instrument Panel, Gages and Console.
  2. Remove the blower motor control knob by pulling rearward off shaft.

  3. Object Number: 939767  Size: SH
  4. Press the blower motor switch retention prongs and remove the switch from the HVAC control module.

Installation Procedure


    Object Number: 939767  Size: SH
  1. Install the blower motor switch to the HVAC control module. Press to engage the retention prongs.
  2. Install the center trim bezel. Refer to Instrument Panel Accessory Bezel Replacement in Instrument Panel, Gages and Console.
  3. Install the blower motor control knob.