High Pressure Safety Valve HVAC: Service and Repair

REMOVAL
1. Recover the refrigerant.
2. Raise and support the vehicle.







3. Remove the RH splash shield.







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







5. Remove the A/C manifold and tube assembly bolt and disconnect the A/C manifold and tube.

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







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

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

INSTALLATION
1. To install, reverse the removal procedure.
^ Lubricate the O-ring seals with PAG Compressor Oil YN-12-C or equivalent meeting Ford specification WSH-M1C231-B.