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What causes a car air conditioner to blow air but not cool?

1 Answers

Frances

07/29/25 2:32pm

Car air conditioner blowing air but not cooling is caused by: 1. Insufficient or excessive refrigerant; 2. Excessive impurities in the car air conditioner's refrigerant and compressor oil, leading to clogged filter screens and reduced refrigerant flow to the expansion valve; 3. Loose drive belt of the car air conditioner compressor, causing slippage during operation, resulting in decreased transmission efficiency, reduced compressor speed, and diminished refrigerant compression and delivery. The car air conditioner is designed to regulate and control the temperature, humidity, air cleanliness, and airflow within the vehicle cabin to optimal conditions, providing passengers with a comfortable environment and reducing travel fatigue; it also creates favorable working conditions for the driver and plays a crucial role in ensuring safe driving as a ventilation device. It generally includes a cooling device, heating device, and ventilation system.

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