Is the Car Air Conditioner Not Cooling Due to a Faulty Compressor?

1 Answers
MacJulianna
07/30/25 9:51am
Generally speaking, compressors rarely experience direct failure. The reasons for a car air conditioner not cooling are as follows: 1. Refrigerant Issues: Sometimes, the problem lies with the refrigerant in the car's air conditioning system. 2. Filter Clogging: Excessive dirt in the refrigerant or the refrigeration oil can clog the filter screen, reducing cooling efficiency, increasing resistance, and decreasing the flow of refrigerant to the expansion valve, leading to poor cooling. 3. Saturated Dryer Tank: The car air conditioning system includes a dryer tank designed to absorb moisture from the refrigerant and prevent excessive moisture from reducing cooling capacity. When the desiccant in the dryer tank becomes saturated, it can no longer filter out moisture. 4. Loose Compressor Drive Belt: Sometimes, the car air conditioner may not cool due to a loose compressor drive belt, or it could be due to reduced heat dissipation capability of the condenser, which affects the air conditioner's cooling performance.
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