How do you replace an expansion valve metro 2000?

To replace the expansion valve in a 2000 Metro, first, ensure the vehicle is off and the AC system is properly discharged to avoid refrigerant exposure. Remove the necessary components to access the expansion valve, typically located near the evaporator. Disconnect the old valve from the refrigerant lines, and install the new valve, ensuring all seals are intact. Finally, reassemble any removed parts, recharge the AC system, and check for leaks.