Low Pressure Sensor / Switch: Service and Repair

Air Conditioning (A/C) Refrigerant Low Temperature Sensor Replacement

Removal Procedure




1. Remove the left side insulator/closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side (Service and Repair).
2. If equipped with OnStar(R), remove the communications interface module. Refer to Communication Interface Module Replacement (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




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 (Communication Interface Module Replacement).
5. Install the left side insulator/closeout panel. Refer to Instrument Panel Insulator Panel Replacement - Left Side (Service and Repair).