A/C Compressor Relief Valve Has Vented Refrigerant

The A/C compressor relief valve has vented refrigerant

Diagnostic Procedure:

1. Probable cause: A high-side restriction, the A/C condenser/radiator fans are inoperative, or the A/C compressor clutch is not disengaging

2. If the fans and A/C compressor clutch operate normally, recover refrigerant, A/C Refrigerant Recovery and check for restrictions

3. If the A/C compressor clutch will not disengage, troubleshoot the A/C compressor clutch circuit, A/C Compressor Clutch Circuit Troubleshooting and check for mechanical problems Testing and Inspection

4. If the fans are inoperative, troubleshoot the fan circuits Radiator and A/C Condenser Fan Low Speed Circuit Troubleshooting

Also check for:

- Powertrain DTCs Reading and Clearing Diagnostic Trouble Codes