How to fill the air conditioner of my car

Take it to a repair shop unless you have an evacuation pump, gauge set, charging station, gloves, safety glasses, and a face shield. The system needs to be pumped into a vacuum for at least a half hour to boil out every last hint of moisture, and the exact measured amount of refrigerant must be pumped in under pressure. Working with refrigerant is very dangerous. Professionals take a lot of safety precautions.