GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Catera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Ambient Air Temperature Sensor Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the lower fascia screws.
  3. Disconnect the ambient air temperature sensor electrical connector.

    4. Object Number: 791833 Size: SH
  4. Release the mounting tabs and remove the ambient air temperature sensor.

Installation Procedure
  1. Install the ambient air temperature sensor.

    2. Ensure the mounting tabs are seated.


    Object Number: 791833 Size: SH
  2. Connect the ambient air temperature sensor electrical connector.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the lower fascia screws.

    4. Tighten
    Tighten the screws to 3N·m (27 lb in).

  4. Lower the vehicle.