F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
High Pressure Safety Valve HVAC: Service and Repair
AIR CONDITIONING (A/C) PRESSURE RELIEF VALVE
Removal and Installation
NOTE: Installation of a new suction accumulator is not required when repairing the A/C system, except when there is physical evidence of
contamination from a failed A/C compressor or damage to the suction accumulator.
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Recover the refrigerant.
3. Remove the A/C compressor pressure relief valve and O-ring seal.
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To install, tighten to 10 Nm (89 lb-in).
4. NOTE: A new O-ring seal will already be installed on the new A/C pressure relief valve service part.
To install, reverse the removal procedure.
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Lubricate the refrigerant system with the correct amount of clean PAG oil.
5. Evacuate, leak test and charge the refrigerant system.
