Refrigerant Pressure Sensor / Switch: Service and Repair
A/C REFRIGERANT PRESSURE SENSOR REPLACEMENTTOOLS REQUIRED
^ J 34611-A Valve Core Remove and Installer
^ J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
The A/C pressure sensor is located on the condenser end of the compressor hose. A Schrader valve is located in the A/C pressure sensor fitting.
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Disconnect the refrigerant pressure sensor electrical connector.
3. Remove the refrigerant pressure sensor from the fitting.
4. Remove and discard the O-ring.
5. If necessary remove the service port valve core using J 34611-A
INSTALLATION PROCEDURE
1. If removed, install the service port valve core using J 34611-A.
2. Coat the O-ring seal with mineral base 525 viscosity refrigerant oil.
3. Install a NEW O-ring seal in the refrigerant pressure sensor.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Install the pressure sensor to the fitting.
Tighten
Tighten the sensor to 5 N.m (44 lb in).
5. Connect the refrigerant pressure sensor electrical connector.
6. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
7. Leak test the fittings of the component using the J 39400-A.