High Pressure Safety Valve HVAC: Service and Repair

A/C Compressor Relief Valve Replacement

1. Recover the refrigerant with a recovery/recycling/charging station. A/C Refrigerant Recovery

2. Remove the front splash shield. Splash Shield Replacement

3. Remove the front undercover. Front Undercover Replacement

4. Remove the relief valve (A) and the O-ring (B). Plug the opening to keep foreign matter from entering the system and the A/C compressor oil from running out.

5. Clean the mating surfaces.

6. Replace the O-ring with a new one at the relief valve, and apply a thin coat of refrigerant oil before installing it.

7. Remove the plug, and install and tighten the relief valve.

8. Charge the system. A/C System Charging