The car air conditioner is not cooling, check these aspects and troubleshoot in time

Summer has arrived, and air conditioning has become an indispensable configuration when driving. However, many drivers and friends will find that the air conditioner is not cool while driving, which affects the driving experience. So why does the good-end air conditioner suddenly stop cooling? Some car owners can't solve the problem with refrigerant. If this happens, the following equipment should be checked.

When the air conditioner has a poor cooling effect and less cold air is blown out, check the air conditioner filter first. The air-conditioning filter element of most models is arranged in the front passenger's armrest box. The air-conditioning filter element can be taken out by removing 4 buckles, and some are arranged under the front windshield near the passenger side in the engine compartment. If the air conditioner filter element is severely clogged, it needs to be replaced; if the surface is too dusty, you can use compressed air to blow off the dust.

If the cooling effect of the air conditioner is poor because the surface of the condenser is dirty, the condenser needs to be cleaned. The plot of the condenser generally uses a high-pressure water gun, that is, a high-pressure water gun for car washing. Since the heat dissipation material of the condenser is made of aluminum and has a soft texture, you should pay special attention when cleaning the surface of the condenser.

One is to pay attention to the pressure of the water gun not to be too large, and the water column not to be too thin;

The second is to pay attention to the spray angle. The inclination angle of the condenser radiator should be observed first to make the spray angle and The inclination angle of the heat sink can be kept consistent. Remember the above two precautions, otherwise the radiator will be damaged, and the consequences will outweigh the loss.

Third, check the refrigerant leakage and the working conditions of compressors and other components;

The refrigerant leakage inspection is also very simple, first observe the pipe Road joints, especially between rubber pipes and metal pipes, are prone to refrigerant leakage (you can use the foam method to check). In addition, check whether the rubber pipes are aging, and the cracks are also prone to refrigerant leakage. Of course, the most accurate method is to use the fluorescent method to fill the fluorescent powder into the refrigeration system pipeline, press the A/C switch to start the refrigeration cycle, and observe with an ultraviolet lamp. If there is a leak, the fluorescent powder will be in the ultraviolet light. Glow under the action. If a refrigerant leak is found, the fault must be eliminated and the refrigerant must be refilled, otherwise it is a waste of money.

In addition, for the inspection of the compressor and the cooling fan, you can use the observation method. Turn on the A/C switch to observe whether the compressor is working. In addition, when the vehicle water temperature reaches 90 It is relatively simple to check whether the cooling fan is working when it is above ℃.

Summary: When driving in the summer, the air-conditioning system works well or not. Therefore, when your car’s air-conditioning is not cooling or the cooling effect is poor, don’t panic. Follow the above Check the steps in order to find the fault and eliminate it in time, to ensure the normal operation of the air-conditioning and refrigeration system, and bring cool breeze to your summer driving.

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