A/C Compressor Relief Valve Replacement

1.Recover the refrigerant with a recovery/recycling/charging station.

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

 

3.Clean the mating surfaces.

4.Install a new O-ring on the relief valve, and apply a thin coat of refrigerant oil to the O-ring.

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

6.Charge the system.