There are many components at work in a car Air Conditioning system. Such parts are the Compressor, Condenser, Evaporator and Expansion device. The main responsibility of the A/C Expansion device is to regulate the flow of gas inside the Air Conditioning system. It also allows the flow of refrigerant according to your cooling demands. The Expansion valve controls the refrigerant flow to the Evaporator coils. Thus, it allows only a specific amount of refrigerant to the Evaporator coils. It also maintains a pressure difference between the high and low pressure sides of the system.
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