GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The LH duct and RH duct temperature sensors are located in the HVAC module just above where the floor air outlets connect to the module.

Caution: Refer to SIR Handling Caution in the Preface section.


    Object Number: 143164  Size: SH
  1. Remove the sound insulator (driver side shown).
  2. Remove the front floor air outlet from the HVAC module.

  3. Object Number: 156090  Size: SH
  4. Turn the temperature sensor (1) 180 degrees.

  5. Object Number: 156093  Size: SH
  6. Carefully remove the temperature sensor from the air distribution module.
  7. Disconnect the electrical connector from the temperature sensor.

Installation Procedure

  1. Connect the electrical connector to the temperature sensor.

  2. Object Number: 156093  Size: SH
  3. Carefully insert the temperature sensor into the air distribution module.

  4. Object Number: 156090  Size: SH
  5. Turn the temperature sensor (1) 180 degrees.
  6. Install the front floor air outlet.

  7. Object Number: 143164  Size: SH
  8. Install the sound insulator (driver side shown).