Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement for Cadillac DeVille 2002

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.



3. Disconnect the electrical connector from the A/C refrigerant pressure sensor (1).
4. Remove the A/C refrigerant pressure sensor.

1. Lubricate the O-ring with 525 refrigerant oil.

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.

2. Install the A/C refrigerant pressure sensor (1).

Tighten
Tighten the sensor to 5 N·m (44 lb in).

3. Install the electrical connector to the A/C refrigerant pressure sensor.
4. Install the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.
5. Lower the vehicle.