Automobile air conditioners.Mifs about car conditioners

Driving should be as comfortable as possible. At the same time soft comfortable seats solve only part of the problem. In summer, in the heat, enjoy the ride will help car air conditioning.

Automobile air conditioners.Mifs about car conditioners

This is the whole system that is responsible for the creation and subsequent maintenance in the machine of air temperature, its humidity, purity and flow strength. A unique invention makes it possible to create a cool corner inside a vehicle in the middle of a hot heat.

However, not all motorists set themselves air conditioners, frighten off from such a step some myths about such an important aggregate of the modern machine.

Air conditioning is charged when it is repaired, it can be done by yourself.

Maintenance of this unit should be carried out regardless of the degree of its serviceability. This is clearly indicated in the vehicle’s instruction manual in the “Maintenance” section. You can fill the air conditioner yourself, only this procedure is simple and easy at first sight. There are many nuances here, so, without realizing the real reasons for the poor operation of the air conditioner, you can stay at all without it at the right time. To effectively diagnose the air conditioner, it is necessary to use special equipment, which will determine the leakage or malfunction. If you add an extra 100 grams of freon to it, or vice versa, lower it, this will lead to an increase or decrease in the pressure inside the air conditioner. This is fraught with refrigerant leaks and compressor breakage.

There is no difference what type of freon is poured.

So it does not matter where to buy it and fill it up. The cost of freon is very low compared to the cost of refueling the air conditioner. Nevertheless, such an operation should be performed on special equipment recommended by the car conditioner manufacturer and with the observance of technologies. One-time savings can eventually lead to costly repairs. Each car has a nameplate that shows which type of refrigerant is used. It is in accordance with this nomenclature and it is necessary to refuel the air conditioner using the specified freon. But the exact amount of the necessary refrigerant can be found only at a specialized station with the help of professional plants for refueling the air conditioner. These include, for example, Breeze 134 Automatica or AC-1500.

If a part of the air conditioner breaks down, you can replace it with one, not the whole unit.

It is worth considering that the air conditioner is subject to wear, as well as any equipment. In this case, it eventually begins to fail. This happens with the breakdown of individual parts, not just the whole apparatus. Experts say that it is really possible to change one failed part in the air conditioning system. But experience suggests that with a thorough study of the unit it turns out that in fact there are a lot more faults. The main reason for the failure of the air conditioner is the depressurization of the entire system. That is why the diagnosis of faults begins with the identification and elimination of leaks in the air conditioning system, then repair or replacement of specific parts is already beginning. Problems relating to compressors fall into two categories. This may be a malfunction in the electronics or mechanical damage. The most common failure is the breakage of the free-wheel clutch on the compressor of the device. This is due to the overall overheating of the air conditioning system, which is due to a clogged mud and dust radiator. In general, all the air conditioners have their weak spots. First of all, condensers and tubes come out of the queue. Some models of cars sin by installing at the factory low-quality high-pressure hoses, which often break off.

The air conditioner is not corroded.

Actually, this device works in conditions of seasonal temperature changes. That is why after 5-7 years of work on the surface of the condenser there are traces of corrosion.Specialists note that there have been cases when copper contact thickness of half a centimeter, located on the high-pressure sensor, simply decayed, turning into dust. Can rust and contacts in addition to the fan, corrosion penetrates even inside the motor housing. This chemical process is also enhanced by external factors such as water, metals and salt, which inevitably fall on the condenser. Corrosion will not necessarily be visible to the naked eye. A rotten part from the outside may look quite good. But if you clean the air conditioner with a brush in different places, then rust will appear outside. It is worth remembering that corrosion can become a dangerous enemy for the electricians of such devices. That’s why after 5-7 years of use in the car, experts recommend completely changing the condenser.

Using the air conditioner leads to a significant increase in fuel consumption.

A functioning air conditioning compressor does impose an additional load on the engine. This device takes 4-5 hp from the total power. Thus, using an air conditioner increases fuel consumption by an average of 10-15%. However, it is worth mentioning that in such a situation it is sometimes possible to talk even about saving gasoline. For example, in the heat of driving on a highway at high speed, fully open windows lead to an increase in fuel consumption of up to 20%. But if you close the windows and turn on the air conditioning in the cabin, then the consumption will increase by only 10%. Thus, gasoline economy is achieved due to the operation of the climate device.

Automobile air conditioners.Mifs about car conditioners

Checking the condenser is just a trick invented at the service stations.

In fact, the condenser (popularly known as the air conditioner radiator) is the most vulnerable part of the air conditioner. It is here that huge portions of water and dust pass. In summer, down, and in winter, dirt clogs the space between the condenser and the cooling radiator. Because of this, the pressure in the air conditioning system begins to increase, the load on the air conditioning compressor rises. Because of this, the whole system starts to work worse. So it’s no coincidence that all owners of air-conditioned cars are advised to prevent the system every six months. Experts say that it is necessary to wash the air-conditioning system after reaching 100 thousand kilometers. You can also do this procedure if you fail with a subsequent replacement of some air conditioner unit, for example, a compressor. The whole process is quite complicated, it involves a complete dismantling of the system, replacement of the compressor, the TRV valve and the filter of the desiccant. It is important to know that it is necessary to wash the system with special fluids, solvents. This is important, since many manufacturers of auto-air conditioners even refuse warranty service, if before installation the system was washed with technological disruptions. Even to the issue of prevention of air conditioning should be approached cautiously – you must choose services that specialize specifically in servicing such equipment, and not just seasonally run it.

Air conditioning is not affected by the air filters of the passenger compartment.

Sometimes it happens that the air conditioner seems to be working properly, but the interior does not feel cool. Most often this is also indicated by the fact that the filter for fine air purification inside the cabin turned out to be clogged. Service engineers say that it is better to change the filter before the beginning of the summer season. Do it better also after each segment of the mileage of 15 thousand kilometers or just once a year. It is optimal if such a replacement will be carried out a couple of times a year. Unfortunately, many begin to think about the need to replace the filter only when an unpleasant smell appears in the passenger compartment. The cause of this stench is dirt, which accumulates on the filter and in the evaporator. The fact that the cabin filter is the only barrier that saves people’s lungs in the cabin from the products of combustion of fuel, dirt, soot and burnt.Thanks to it, inside does not penetrate the usual dust from the brake pads of the machine, as well as dried road reagents, which are so many in the air of large cities. Since the evaporator has a moist and warm environment, the pathogenic bacteria quickly begin to develop here. If such a filter is highly contaminated or absent at all, people will begin to inhale air, saturated with microorganisms and spores of fungi and mold. Although some of them settle on the dashboard, the bulk still gets from the air to the lungs of people. Experts recommend regularly changing the filters in the cabin, and to carry out this important procedure better in special car-care centers. The fact is that such a procedure will require certain knowledge and skills. After all, in some machines it is necessary to dismantle the brake pedal, in others – the wiper blades. Somewhere you need special care so as not to damage the gasket.

The disinfection of the air conditioner is absolutely unnecessary procedure.

When the temperature of the evaporator falls, this leads to condensation of moisture. It attracts to itself all kinds of contaminants – it’s pollen, and leaves, dust and even small insects. The existence of such a microclimate is an ideal condition for the reproduction of microorganisms. Therefore, it is recommended to wash the evaporator at least once a month during the most active use of the air conditioner. There are three main ways to disinfect the evaporator. First of all, it is worth mentioning the smoke bomb. It will help to destroy all mold and bacteria, and also to remove foreign bodies. With the help of such a tool, you can remove all smells from the car’s interior. Another method of disinfection is the use of an aerosol can with an antiseptic. Inside is a highly concentrated composition with biologically active substances. This aerosol allows you to clean the conditioner of fat and other contaminants, restores the cooling capacity of the air conditioner, disinfects the air circulation system and removes the musty smell. Also worth mentioning is the mechanical cleaning of the air conditioner. It is recommended to be used in the most neglected cases. Then the air conditioning system is dismantled, and then each part is cleaned by hand. This type of disinfection of the device is the most expensive. To clean the air conditioner is best in a car workshop, professionals will do it both faster and better.

The air conditioner is needed for use only in the summer, during the rest of the year it is simply not needed.

The air conditioner has not only a cooling function in hot weather. For example, during a rain this device will be useful as a dehumidifier for misted cars. And in other times of the year the air conditioner should be turned on at least once a month. Prevention of the entire system is necessary even in winter. After all, the unit, along with Freon circulates and oil, not allowing the oil seals to dry. In this situation, it is appropriate to compare with a balloon, in a few days it will start to be blown off, as the air will imperceptibly begin to leave through the microcracks in the rubber. A prolonged inactivity of the air conditioner will cause the oil to evaporate from the graphite packing, which will lead to a leak in this place. That’s why in winter, driving the car to the sink, it is better to turn on the air conditioner for a while. This will disperse the refrigerant and oil throughout the air conditioning system, extending the life of the unit.

Automobile air conditioners.Mifs about car conditioners

Maintenance of the air conditioner is expensive and fun, unnecessary in its essence.

Any car owner knows that the radiator should be periodically cleaned. But some try to simplify this procedure by simply sending a strong stream of water to it. As a result, this approach can be deplorable. Water can bend the radiator honeycomb, the mud inside remains. Over time, it turns out that there is nothing left to do to completely replace the radiator. Proper cleaning of this place implies a preliminary analysis of the front of the machine. The evaporator has a similar history. Understanding the technology of cleaning and dismantling is only available from an experienced specialist.In general, the maintenance of the air conditioner in the car service includes several types of work. This is the diagnosis of the operation of the condenser with the evaporator, checking the cleanliness of the passenger compartment and the integrity of the electrical connectors. Service specialists check the presence of extraneous noise and odors when the air conditioner works, and also assess the tightness of the entire system. Needless to say, that such a complex of works should be carried out in a competent and tested service center equipped with the best equipment. Provision of air conditioning for service specialists guarantees its further high-quality work. Remembering that a miser pays twice, it is better not to try to save on such an important component of a comfortable ride.

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