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What are the reasons for the car's air conditioning not being cold?

1 Answers

OJuliana

07/30/25 9:56am

There are several reasons why a car's air conditioning may not be cooling: 1. The compressor belt is loose or broken, preventing the compressor from working. 2. There is a leak in the refrigeration system, causing the refrigerant to leak out and preventing cooling. 3. The filter in the refrigeration system is clogged, preventing cooling. 4. The compressor piston or valve plate is damaged, preventing cooling. 5. The evaporator fan is not working or the evaporator surface is severely clogged, preventing cooling. Note: If none of the above issues are present, it could be due to a fault in very specific components causing the air conditioning not to cool. For example, the air conditioning compressor, air conditioning temperature sensor, etc. In such cases, it is necessary to visit a 4S shop for professional inspection and repair.

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