High Pressure Safety Valve HVAC: Service and Repair

Air Conditioning (A/C) Pressure Relief Valve













Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. Recover the refrigerant. For additional information, refer to Climate Control System - General Information and Diagnostics Air Conditioning (A/C) System Recovery, Evacuation and Charging.

3. Remove the A/C pressure relief valve and O-ring seal.
- 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.

- Add the correct amount of clean PAG refrigerant oil to the refrigerant system. For additional information, refer to Climate Control System - General Information and Diagnostics Refrigerant Oil Adding.

5. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Climate Control System - General Information and Diagnostics Service and Repair.