The A/C Compressor Relief Valve Has Vented Refrigerant (With A/C)

The A/C compressor relief valve has vented refrigerant

Diagnostic Procedure:

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

2. To troubleshoot the compressor clutch:

3. Do the A/C compressor clutch circuit troubleshooting Radiator And A/C Condenser Fan Common Circuit Troubleshooting (With A/C)

4. Do the A/C compressor clutch check Testing and Inspection

5. To troubleshoot the condenser/radiator fans:

6. Do the A/C condenser fan circuit troubleshooting A/C Condenser Fan Circuit Troubleshooting (With A/C)

7. Do the radiator fan circuit troubleshooting Radiator Fan Circuit Troubleshooting (With A/C)

8. Do the radiator and A/C condenser fan common circuit troubleshooting Radiator And A/C Condenser Fan Common Circuit Troubleshooting (With A/C)

9. To troubleshoot a high-side restriction:

10. Recover A/C refrigerant, A/C Refrigerant Recovery (With A/C) then check the condenser, the receiver/dryer, and the liquid line for restrictions. Repair as needed. Recharge the system to specifications A/C System Charging (With A/C)

Also check for:

- Powertrain DTCs Initial Inspection and Diagnostic Overview
- Poor or loose connections at the terminals