GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1646775  Size: SH
  1. Remove the left side insulator/closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .
  2. If equipped with OnStar®, remove the communications interface module. Refer to Communication Interface Module Replacement .
  3. Disconnect the temperature sensor connector from the temperature sensor.
  4. Twist the temperature sensor one quarter turn to disengage from the evaporator case assembly.
  5. Remove the temperature sensor from the evaporator case assembly.

Installation Procedure


    Object Number: 1646775  Size: SH
  1. Install the temperature sensor to the evaporator case assembly.
  2. Twist the temperature sensor one quarter turn to engage to the evaporator case assembly.
  3. Install the temperature sensor connector to the temperature sensor.
  4. If removed, install the communications interface module. Refer to Communication Interface Module Replacement .
  5. Install the left side insulator/closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side .