High Pressure Safety Valve HVAC: Service and Repair

REMOVAL
1. Perform the Refrigerant Discharging and Recovery Procedure.







2. Unlatch the breather.







3. Disconnect the Mass Air Flow (MAF) sensor electrical connector.







4. Remove the air cleaner outlet tube.
1 Loosen the clamp.
2 Disconnect the crankcase ventilation tube.
3 Remove the air cleaner outlet tube.







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

INSTALLATION
1. To install, reverse the removal procedure.
- Lubricate the O-ring seal with PAG Compressor Oil, YN-12c, F7AZ-19589-DA or equivalent meeting Ford specification WSH-M1C231-B.