Refrigerant Pressure Sensor / Switch: Service and Repair

Air Conditioning (A/C) Refrigerant Pressure Sensor Replacement

Special Tools

J-39400-A - Halogen Leak Detector

Removal Procedure




1. Disconnect the air conditioning (A/C) refrigerant pressure sensor electrical connector (1).
2. Remove the A/C refrigerant pressure sensor (2).
3. Inspect and replace the O-ring seal (3) as necessary.

Installation Procedure

Note: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the O-ring seal to enter the refrigerant system.




1. Lightly coat the O-ring seal (3) with mineral base 525 viscosity oil.

Caution: Refer to Fastener Caution Fastener Caution.

2. Install the A/C refrigerant pressure sensor (2) and tighten to 5 Nm (44 lb in).
3. Connect the A/C refrigerant pressure sensor electrical connector (1).
4. Leak test the fitting using the J-39400-A - detector.