ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Hose/Line HVAC|Service Precautions|Page 8266 > < High Pressure Safety Valve HVAC|Description and Operation
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Hose/Line HVAC: Service Precautions

CAUTION:  Refrigerant Compressor Oil (Mineral Oil) F73Z-19577-AA (Motorcraft YN-9-A) should be used to lubricate R-134a refrigerant
system O-ring seals only and should not be added to R-134a refrigerant systems as an A/C compressor lubricant. PAG Refrigerant Compressor
Oil F7AZ-19D589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B only should be used as an A/C
compressor lubricant.

Hose/Line HVAC|Service Precautions|Page 8266 > < High Pressure Safety Valve HVAC|Description and Operation