How Often Should Car Air Conditioner Refrigerant Be Recharged?
1 Answers
Car air conditioner refrigerant typically needs to be recharged every five to eight years. If there is no leakage, the refrigerant does not need to be replenished. However, when a refrigerant leak occurs, it is essential to identify the cause of the leak and promptly replenish the missing refrigerant. Common refrigerant products include ammonia, Freon-12, Freon-22, and hydrocarbon refrigerants. Among these, ammonia is the most widely used medium-pressure, medium-temperature refrigerant, with a freezing point of -77.7°C. Hydrocarbon refrigerants offer advantages such as energy efficiency and environmental friendliness, as they do not harm the atmosphere or the ozone layer. Steps for adding refrigerant: Preparation—Before adding refrigerant, gather the necessary materials, such as a car refrigerant recovery and charging machine. Connecting the pipes—Attach the hoses of the refrigerant recovery and charging machine to the high and low-pressure pipes of the car's air conditioning system. Evacuation—Once the hoses are properly connected and the machine completes its self-check, begin evacuating the air conditioning system. Adding refrigerant—After the evacuation process is complete, start adding the refrigerant. Based on the maximum refrigerant capacity specified for the vehicle's air conditioning system, set the charging capacity, time, and type on the recovery and charging machine. Once confirmed, the machine will automatically begin adding the refrigerant.
