GM Service Manual Online
For 1990-2009 cars only

Ambient Air Temperature Sensor Replacement Rendezvous

Tools Required

J 38778 Door Trim Pad Clip Remover

Removal Procedure


    Object Number: 787416  Size: SH
  1. Open the hood.
  2. Disconnect the electrical connector from the ambient air temperature sensor.

  3. Object Number: 813308  Size: SH
  4. Use J 38778 to disconnect the wiring harness retainer which secures the ambient air temperature sensor to the hood latch support.
  5. Remove the ambient air temperature sensor from the wiring harness retainer.
  6. Remove the ambient air temperature sensor from the vehicle.

Installation Procedure

  1. Install the ambient air temperature sensor on the wiring harness retainer.
  2. Install the wiring harness push-in retainer which secures the ambient air temperature sensor to the hood latch support.

  3. Object Number: 787416  Size: SH
  4. Connect the electrical connector to the ambient air temperature sensor.

Ambient Air Temperature Sensor Replacement Aztek

Tools Required

J 38778 Door Trim Pad Clip Remover

Removal Procedure

  1. Remove the right headlamp assembly. Refer to Headlamp Assembly or Headlamp Bulb Replacement .

  2. Object Number: 1677529  Size: SH
  3. Disconnect the electrical connector (2) from the ambient air temperature sensor (1).
  4. Use J 38778 to disconnect the wiring harness retainer which secures the ambient air temperature sensor.
  5. Remove the ambient air temperature sensor from the wiring harness retainer.
  6. Remove the ambient air temperature sensor from the vehicle.

Installation Procedure


    Object Number: 1677529  Size: SH
  1. Install the ambient air temperature sensor on the wiring harness retainer.
  2. Install the wiring harness push-in retainer which secures the ambient air temperature sensor.
  3. Connect the electrical connector (2) to the ambient air temperature sensor (1).
  4. Install the right headlamp assembly. Refer to Headlamp Assembly or Headlamp Bulb Replacement .