GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The right A/C temperature sensor is shown, the left is similar.

  1. Remove the IP endcap. Refer to Instrument Panel Outer Trim Cover Replacement - Left Side or Instrument Panel Outer Trim Cover Replacement - Right Side in Instrument Panel, Gauges, and Console.

  2. Object Number: 493729  Size: SH
  3. Grasp the A/C temperature sensor (1) and twist counter clockwise ¼ turn in order to release the sensor from the A/C duct.

  4. Object Number: 493683  Size: SH
  5. Remove the A/C temperature sensor (1) from the duct.
  6. Disconnect the electrical connector from the A/C temperature sensor (1).
  7. Remove the A/C temperature sensor. (1).

Installation Procedure


    Object Number: 493683  Size: SH
  1. Connect the electrical connector to the A/C temperature sensor (1).
  2. Align the A/C temperature sensor (1) with the air outlet duct.
  3. Install the A/C temperature sensor (1) into the A/C outlet duct.


    Object Number: 493729  Size: SH
  4. Rotate the A/C temperature sensor (1) ¼ turn clockwise, in order to secure the A/C temperature sensor (1) in the A/C duct.
  5. Install the IP endcap. Refer to Instrument Panel Outer Trim Cover Replacement - Left Side for the left endcap or Instrument Panel Outer Trim Cover Replacement - Right Side for the right in Instrument Panel, Gauges, and Console.