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What are the reasons for poor air conditioning cooling in the Classic Sylphy?

1 Answers

Andres

07/29/25 10:48pm

The reasons for poor air conditioning cooling in the Classic Sylphy include refrigerant malfunction, excessive contaminants in the refrigeration oil, and a faulty dryer tank. All three issues require inspection and repair at a 4S shop, as they involve professional operations and should not be attempted by oneself. Below is a detailed explanation of the reasons for poor air conditioning cooling in the Classic Sylphy: Refrigerant malfunction: The car's air conditioning system consists of multiple metal pipes with small gaps between them, leading to minor refrigerant leaks. Additionally, the dryer bottle in the system absorbs moisture and retains some refrigerant. When the refrigerant level drops below a certain point, the cooling capacity of the car's air conditioning system decreases. Excessive contaminants in the refrigeration oil: Too many contaminants in the refrigeration oil can clog the filter screen, reducing cooling efficiency, increasing resistance, and decreasing the flow of refrigerant to the expansion valve, ultimately causing the air conditioning to stop cooling. Dryer tank malfunction: The main function of the dryer tank is to absorb moisture from the refrigerant to prevent excessive moisture from reducing cooling capacity. When the desiccant in the dryer tank becomes saturated, it can no longer filter out moisture. As the refrigerant passes through the expansion valve's throttle orifice, the drop in pressure and temperature causes the water in the refrigerant to freeze in the small orifice, leading to restricted refrigerant flow, increased resistance, or a complete blockage.

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