GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.
  3. Disconnect the electrical connector from the temperature actuator.
  4. Remove the temperature actuator from the auxiliary A/C module.

Installation Procedure

  1. Install the temperature actuator to the auxiliary A/C module.
  2. Install the screws that secure the temperature actuator to the auxiliary A/C module.
  3. Connect the electrical connector to the temperature actuator.
  4. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.
  5. Connect the negative battery cable. Inspect the circuit operation.