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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Catera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Air Conditioning (A/C) Temperature Sensor Replacement

Air Conditioning (A/C) Temperature Sensor Replacement Drivers Side

Removal Procedure

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 156090 Size: SH
  1. Disconnect the left (driver) side sound insulator positive locking tabs.
  2. Remove the sound insulator.
  3. Disconnect the left (driver) side front floor air outlet fastening clip.
  4. Remove the front floor air outlet.
  5. Turn the temperature sensor (1) 180 degrees.

    6. Object Number: 156091 Size: SH
  6. Carefully remove the temperature sensor from the air distribution module.
  7. Disconnect the electrical connection (1) from the temperature sensor.

Installation Procedure

    Object Number: 156091 Size: SH
  1. Connect the electrical connection (1) to the temperature sensor.
  2. Carefully insert the temperature sensor into the air distribution module.

    3. Object Number: 156090 Size: SH
  3. Turn the temperature sensor (1) 180 degrees.
  4. Install the left (driver) side front floor air outlet.
  5. Connect the air outlet fastening clip.
  6. Install the left (driver) side sound insulator.
  7. Connect the sound insulator positive locking tabs.

Air Conditioning (A/C) Temperature Sensor Replacement Passenger Side

Removal Procedure

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 156092 Size: SH
  1. Disconnect the right (passenger) side sound insulator positive locking tabs.
  2. Remove the sound insulator.
  3. Disconnect the right (passenger) side front floor air outlet fastening clip.
  4. Remove the front floor air outlet.
  5. Remove the mode valve (floor) actuator. Refer to Mode Actuator Replacement .
  6. Turn the temperature sensor (1) 180 degrees.

    7. Object Number: 156093 Size: SH
  7. Carefully remove the temperature sensor from the air distribution module.
  8. Disconnect the electrical connection from the temperature sensor.

Installation Procedure

    Object Number: 156093 Size: SH
  1. Connect the electrical connection to the temperature sensor.
  2. Carefully insert the temperature sensor into the air distribution module.

    3. Object Number: 156092 Size: SH
  3. Turn the temperature sensor (1) 180 degrees.
  4. Ensure the electrical connector is positioned horizontally.
  5. Install the mode valve (floor) actuator. Refer to Mode Actuator Replacement .
  6. Install the right (passenger) side front floor air outlet.
  7. Connect the front floor air outlet fastening clip.
  8. Install the right (passenger) side sound insulator.
  9. Connect the sound insulator positive locking tabs.