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

Removal Procedure
  1. Remove the right IP trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement - Right Side in Instrument Panel, Gages and Console.
  2. Remove the knee bolster . Refer to Knee Bolster Replacement in Instrument Panel, Gages and Console.

    3. Object Number: 422259 Size: SH
  3. Pull rearward on the aspirator hose to disengage from the IP.
  4. Remove the temperature sensor from the aspirator hose by turning 1/4 turn counter clockwise.
  5. Disconnect the temperature sensor electrical connector.

Installation Procedure
  1. Connect the temperature sensor electrical connector.
  2. Install the inside air temperature sensor to the aspirator hose and turn clockwise 1/4 turn.

    3. Object Number: 422259 Size: SH
  3. Install the aspitator hose into the instrument panel.
  4. Install the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gages and Console.
  5. Install the cluster trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement - Right Side in Instrument Panel, Gages and Console.