Operation CHARM: Car repair manuals for everyone.

Refrigerant Pressure Sensor / Switch: Service and Repair

A/C PRESSURE TRANSDUCER

REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Unplug the wire harness connector from the A/C pressure transducer switch, which is mounted to a fitting on the line between the compressor and the condenser inlet.

NOTE: On the 2.4L Turbo engine it may be necessary to move or relocate the cooling module, power steering pump or lines to gain access to the A/C pressure transducer.

3. Unscrew the A/C pressure transducer switch from the discharge line fitting.
4. Remove the A/C pressure transducer switch from the vehicle.
5. Remove the O-ring seal from the discharge line fitting and discard.

INSTALLATION
1. Lubricate a new O-ring seal with clean refrigerant oil and install it on the discharge line fitting. Use only the specified O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the compressor in the vehicle.
2. Install and tighten the A/C pressure transducer switch on the discharge line fitting.
3. Plug the wire harness connector into the A/C pressure transducer switch.

NOTE: On the 2.4L Turbo Engine reposition the cooling module, power steering pump or lines if they were moved to gain access to the A/C pressure transducer.

4. Connect the battery negative cable.