High Pressure Safety Valve HVAC: Service and Repair

AIR CONDITIONING (A/C) PRESSURE RELIEF VALVE

REMOVAL
1. Recover the refrigerant.







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.
- Discard the O-ring seal.

INSTALLATION
1. To install, reverse the removal procedure.
- Install a new O-ring seal lubricated in clean PAG oil.

2. Evacuate, leak test and charge the refrigerant system.