F 450 2WD Super Duty V10-6.8L VIN S (1999)
High Pressure Safety Valve HVAC: Service and Repair
Compressor Relief Valve
REMOVAL
1. Recover the refrigerant.
2. Remove the pressure relief valve.
INSTALLATION
1. Follow the removal procedure in reverse order.
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Lubricate the O-ring seal with Motorcraft YN-12c refrigerant oil F2AZ-19577-AB or equivalent meeting Ford specification WSH-M1C231-B.
