High Pressure Safety Valve HVAC: Service and Repair

Air Conditioning (A/C) Pressure Relief Valve














1. Recover the refrigerant.

2. Remove the A/C compressor pressure relief valve and O-ring seal.
- To install, tighten to 10 Nm (89 lb-in).


3. 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.

- Add the correct amount of clean PAG oil to the refrigerant system.


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