High Pressure Safety Valve HVAC: Service and Repair

Compressor Pressure Relief Valve Replacement

Special Tools

J 39400-A - Halogen Leak Detector

Removal Procedure

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

2. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Removal and Replacement.

Note:
Cap or tape the open A/C components immediately to prevent system contamination.





3. Remove the high pressure relief valve.

4. Cap or tape the A/C compressor high pressure relief valve port.

Installation Procedure

1. Remove the cap or tape from the A/C compressor high pressure relief valve port.





Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the high pressure relief valve and tighten to 8 Nm (70 lb in).

3. Remove the RH tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Removal and Replacement.

4. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging Refrigerant Recovery and Recharging.

5. Leak test the fittings of the component using J 39400-A - Halogen Leak Detector.