In the hot summer days, many car air conditioners will have odors. How do these odors come into being? How to eliminate it? First of all, let's take a look at the cause and then prescribe the right medicine.

● four reasons for car air conditioning odor

First, the evaporation box

As we all know, the evaporation box is the core component of automotive air conditioning. According to the knowledge of physics, "refrigerant" is a heat exchanger, the refrigerant absorbs heat by evaporation of vaporized outside air box, so as to achieve the effect of lowering the temperature. Since the air needs to pass through the evaporation box, it will definitely bring some moisture and dust. Although most of the dust can be discharged through the drain, some of it will adhere to the evaporation box. After a long time, mold and odor will occur. .

Second, air conditioning filter

The main function of the air conditioning filter is to filter the air, and the filtered air is sent to the evaporation box. Therefore, the air conditioning filter will face dust and moisture every day. Once it is not replaced in time, it will not only affect the intake air volume, but also produce mildew odor. Therefore, regular replacement of air filter is an important part of car maintenance.

Third, air conditioning duct

The air conditioning duct generally refers to the air duct, which is also a heavy town of dirt and dirt, but many owners do not pay much attention to it.

Fourth, the outside air

The air conditioning odor is also closely related to the external air quality. Once the outside air quality is very poor, and you often open the outer circulation, the time is long, it will definitely affect the air filtration effect , thus bringing the air conditioning odor.

● Car air conditioning odor solution

1. Check the air conditioning outlet.

Choose one way is open, the sun a good environment, open the door, open the natural wind, opened outside the loop to (not open air), or the opening of warm air better, blowing 5-6 minutes, you can blow out the dust.

2. Check the air conditioning filter.

Air-conditioning filters are usually replaced once a year, but if sandstorms or other bad weather occur frequently, it is necessary to change them once a few months. If the air filter is only the surface is dirty, you can simply blown about, but if you have a dirty, it is not recommended that clear air filter, because the filter cleaning can cause eye becomes larger, so that the filtering action significantly reduced maintenance car, do not Save money on these widgets.

3. The mold on the evaporation tank.

This kind of situation is the most difficult to deal with. Generally speaking, I can only turn to the professional auto repair station. They are asked to do an air conditioner cleaning. They spray special air conditioner cleaner to the blower when the air conditioner is turned on. Beimai Auto Auto Parts Consultant reminded that this process must not be operated by itself, otherwise it will easily damage the blower.

●Car air conditioning daily maintenance matters

In general, the odor of automobile air conditioners is the result of long-term accumulation. If you can regularly maintain the air conditioning of the car, you can prevent it from happening.

1. After using the air conditioner every time, do not turn off the fire, but use natural wind for a few minutes to increase the temperature of the air conditioning pipeline, eliminate the temperature difference with the surrounding environment, and maintain the dryness of the air conditioning operating system to prevent long-term humidity. Mold mold.

2, long-term rainy and humid weather will have a great impact on the air-conditioning, the strategy is to open the natural wind or warm air in time to prevent the occurrence of mildew.

3. If the air smell outside the car is very large, then temporarily close the outer circulation.

4, control the source of smell inside the car, for example, some car owners often smoke in the car, when the inner circulation, it will be found that the car air conditioning smell is very large, and difficult to remove.

5, pay attention to the use of perfume, a lot of female friends like to spray perfume in the car, creating a warm atmosphere, but be careful to minimize the use of perfume acidic, such as lemon, because it is easy in the case of the evaporation of acidic water emit fragrance Mildew, if you really want to use perfume, it is recommended that you use some neutral, lighter perfume, after all, the mold in the evaporation box is the most difficult to handle. [ How to do car air conditioning odor How to remove car air conditioning odor ]

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