GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 HVAC 🢒 HVAC - Automatic 🢒 Ambient Air Temperature Sensor Replacement

Removal Procedure
  1. Remove the upper air deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement .

    2. Object Number: 1396623 Size: SH
  2. Push inward on the retaining tabs (1) to disengage the ambient air temperature sensor.
  3. Disconnect the electrical connector from the ambient air temperature sensor.

Installation Procedure
  1. Connect the ambient air temperature sensor electrical connector to the ambient air temperature sensor.

    2. Object Number: 1396623 Size: SH
  2. Align the retaining tabs (1) to the bottom side of the ambient air temperature sensor hole.
  3. Push upwards to install the ambient air temperature sensor to the vehicle.
  4. Install the upper air deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement .