Refrigerant Pressure Sensor / Switch: Service and Repair

Fig. 6 Accumulator/dryer:

1. Disconnect wire harness connector from the pressure switch, Fig. 6.
2. Unscrew pressure switch from top of accumulator dryer.
3. Reverse procedure to install. Lubricate O-ring on the accumulator nipple with refrigerant oil.
4. Check system for leaks and proper operation.