High Pressure Safety Valve HVAC: Service and Repair

AIR CONDITIONING (A/C) PRESSURE RELIEF VALVE

Removal and Installation

1. Recover the refrigerant. For additional information, refer to DISCHARGING AND RECOVERY.
2. Raise and support the vehicle. For additional information, refer to LIFTING.




3. Remove the RH splash shield.




4. If equipped, disconnect the engine block heater electrical connector.

CAUTION: Plug all ports to prevent contamination from dirt or moisture.




5. If equipped with the 3.0 L (4V) engine, remove the A/C manifold and tube assembly bolt and disconnect the A/C manifold and tube.

NOTE: Vehicles with the 2.0 L Zetec engine shown, vehicles with the 3.0 L (4V) engine similar.




6. Remove the A/C compressor pressure relief valve.

7. To install, reverse the removal procedure.
1. Lubricate the O-ring seals with PAG Compressor Oil.