Question: how to replace air conditioner refrigerant?
Answer: Step 1 - Check the System. Stop the compressor and check the refrigerant in the system. Step 2 - Get Materials. ...  Step 3 - Connect Hose. ...  Step 4 - Move Cover. ...  Step 5 - Throttle. ...  Step 6 - Close Regulator. ...  Step 1 - Check System. ...  Step 2 - Connect Cylinder.