PT Cruiser L4-2.4L Turbo VIN 8 (2005)
High Pressure Sensor / Switch: Service and Repair
REMOVAL
WARNING: REVIEW SAFETY PRECAUTIONS AND WARNINGS BEFORE PERFORMING THIS PROCEDURE. FAILURE TO
FOLLOW THE WARNINGS AND CAUTIONS COULD RESULT IN POSSIBLE PERSONAL INJURY OR DEATH.
1. Disconnect and isolate the negative battery cable.
2. Recover refrigerant from A/C system.
3. Raise and support the vehicle.
A/C High Pressure Switch - Typical
4. Disconnect the wire harness connector from the A/C high pressure switch located at the rear of the A/C compressor.
5. Using snap ring pliers, remove the internal snap ring that secures the A/C high pressure switch to the A/C compressor.
6. Pull the A/C high pressure switch out of the A/C compressor and remove and discard the O-ring seal.
INSTALLATION
1. Clean any foreign matter from the switch mounting bore.
2. Remove the tape or plug from the switch port at the rear of the A/C compressor.
3. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it onto A/C high pressure switch. Use only the specified O-ring as it is
made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
4. Install the A/C high pressure switch onto the rear of the A/C compressor.
5. Using snap ring pliers, install the internal snap ring that secures the A/C high pressure switch to the A/C compressor.
6. Connect the wire harness connector to the A/C high pressure switch.
7. Lower the vehicle.
8. Reconnect the negative battery cable.
9. Evacuate the refrigerant system.
10. Charge the refrigerant system.
