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




1. Disconnect the A/C refrigerant pressure sensor electrical connector.
2. Remove the A/C refrigerant pressure sensor from the front evaporator line.
3. Remove and discard the O-ring seal from the A/C refrigerant sensor port.

Installation Procedure




1. Install a new O-ring seal onto the A/C refrigerant pressure sensor port.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the A/C refrigerant pressure sensor to the front evaporator line.

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

3. Connect the A/C refrigerant pressure sensor electrical connector.
4. Leak test the fittings of the component using J 39400-A.