GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Ambient Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 528140 Size: SH
  1. Disconnect the electrical connector (1) from the ambient air temperature sensor (3) that is located on the right front radiator air baffle.
  2. Remove the push-in retainer (2) from the ambient air temperature sensor.
  3. Remove the ambient air temperature sensor (3) from the radiator air baffle.

Installation Procedure

    Object Number: 528140 Size: SH
  1. Align the ambient air temperature sensor (3) to the radiator air baffle.
  2. Install the push-in retainer (2) to the ambient air temperature sensor.
  3. Connect the electrical connector (1) to the ambient air temperature sensor.
  4. Drive the vehicle at a speed of 32 km/h (20 mph) for approximately one and a half minutes or at a speed of 72 km/h (45 mph) for approximately one minute in order to obtain the ambient update.