FAQ for Heater Control Valve Repair
Q: Which tool is recommended during the procedure?
A:
You need to prepare the J 41790 A/C Compressor Holding Fixture.
By BobGM Specialist
01/11/2022 Q: How to remove the Vacuum Tank?
A:
You need to remove the brake pressure modulator valve. Then you need to depress the retaining tabs to remove the vacuum tank.
By BobGM Specialist
01/11/2022 Q: How to install the Vacuum Tank?
A:
You need to install the vacuum tank, and the vacuum hose(s). Finally, you need to install the brake pressure modulator valve.
By BobGM Specialist
01/11/2022 Q: How to remove the Compressor Pressure Valve?
A:
You need to install the compressor onto the J 34992. Then you need to remove the pressure relief valve from the rear head of the compressor.
By BobGM Specialist
01/11/2022 Q: How to remove the pressure relief valve?
A:
You need to remove the A/C compressor from the vehicle first. Then you need to clamp the J 41790 in a vise and attach the A/C compressor to the J 41790. Finally, you can remove the pressure relief valve from the rear head of the A/C compressor.
By BobGM Specialist
01/11/2022 Q: Which tool is required during the Compressor Pressure Valve replacement?
A:
You need to prepare the J 34992 Compressor Holding Fixture.
By BobGM Specialist
01/11/2022 Q: What is the recommended torque for the new valve?
A:
It is 9.0 N.m (80 lb-ft).
By BobGM Specialist
01/11/2022 Q: How to install the Compressor?
A:
You need to clean the valve seat area on the rear head and lubricate the O-ring of the new pressure relief valve and the O-ring assembly using the new 525 viscosity refrigerant oil. Then you need to install the new pressure relief valve. After that, you can evacuate and recharge the system using the J 43600. Finally, you should install the A/C compressor on the vehicle.
By BobGM Specialist
01/11/2022 See more FAQs (3)