GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the right radiator grille. Refer to Radiator Grille Replacement.
  2. Remove the right front bumper fascia lower grille. Refer to Front Bumper Lower Fascia Grille Replacement.

  3. Object Number: 2044486  Size: SH

    Important: Accessing the ambient temperature sensor (1) through the right front bumper fascia lower grille cavity, remove the ambient temperature sensor (1) by squeezing the locking tabs (2) and push free from the bracket.

  4. Detach the ambient air temperature sensor (1) from the bracket.

  5. Object Number: 2044488  Size: SH

    Important: Access the ambient temperature sensor (1) through the right radiator grille cavity to aid removal.

  6. Disconnect the ambient temperature sensor electrical connector (2).
  7. Remove the ambient air temperature sensor (1).

Installation Procedure


    Object Number: 2044488  Size: SH
  1. Position the ambient air temperature sensor (1) in the right radiator grille cavity.
  2. Connect the ambient temperature sensor electrical connector (2).

  3. Object Number: 2044486  Size: SH

    Important: Accessing the ambient temperature sensor (1) through the right front bumper fascia lower grille cavity, install the ambient temperature sensor (1) by ensuring the locking tabs (2) are correctly located in the bracket.

  4. Install the ambient temperature sensor (1) to the bracket.
  5. Install the right front bumper fascia lower grille. Refer to Front Bumper Lower Fascia Grille Replacement.
  6. Install the right radiator grille. Refer to Radiator Grille Replacement.