Refrigerant Pressure Sensor / Switch: Service and Repair

Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement

Tools required

J 39400-A Halogen Leak Detector

Removal Procedure

Important: No schrader valve appears under the pressure sensor.

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the air cleaner assembly.




3. Disconnect the electrical connector (1) from the A/C refrigerant pressure sensor (2).
4. Remove the A/C refrigerant pressure sensor.

Installation Procedure




1. Lubricate the O-ring with refrigerant oil. Refer to O-Ring Replacement.

Notice: Refer to Fastener Notice in Service Precautions.

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

Tighten the sensor to 9.8 N.m (87 lb in).

3. Connect the electrical connector (1) to the A/C refrigerant pressure sensor.
4. Install the air cleaner assembly.
5. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
6. Leak test the fittings of the component using J 39400-A.