F 150 4WD Pickup V8-5.4L SOHC VIN 3 (1999)
High Pressure Safety Valve HVAC: Service and Repair
Compressor Relief Valve
REMOVAL
1. Recover the refrigerant. See: Service and Repair/Refrigerant Recovery
2. Raise the vehicle on a hoist.
3. Remove the A/C compressor 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 or equivalent meeting Ford specification WSH-M1C231-B.
