Car air conditioning refueling
The refueling of any modern automobile air conditioner is carried out by Freon R134A, but cars with Freon R1234 are now appearing on the market now. The following equipment is necessary for refueling an auto.Controller:
If the master is an experienced gas station can be replaced by equipment:
- Freonic scales
- Manometric station
- Injector for oil gas station
- Set of fast.Fasts, to connect to service ports
- Freon pumping station
- Compressor oil
- Ultraviolet dye
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The second list of equipment completely replaces the gas station, but requires a more qualified approach, t.To. In this case, the master himself sets the rate of refueling of the freon and the amount of oil.
In order to refuel the system of the car air conditioner, it is necessary to connect to the service ports of both highways: both low and high. It is impossible to correctly and painlessly for the system to season it through one port.
- Old Freon and Oil pump
- The system is vacuum
- If vacuuming has been successful, then the refueling by the new freon and oil in the proportions and norms of the corresponding car model is refueling
Is it possible to refuel, or is it better to refue in a new way?
As a rule, by refueling of the carcontacle means the tops into the system of a certain amount of liquid refrigerant from the cylinder, carried out without draining the remains and related system cleaning procedures. This work is often done in the garage without any control of the refueling result. It is not surprising that the consequences resemble the lottery: those who are lucky continue to use the air conditioner, and losers have to eliminate the consequences of the garage refueling, addressing specialists.
Small car services often carry out a refueling of the carcontacle by pressure, controlling the process using a manometric station. Of course, such control is better than pouring Freon blindly, although it does not guarantee a complete absence of negative consequences.
Air conditioning refueling. All subtleties and nuances
Air conditioning, like its more advanced version, climate control, requires timely maintenance. There are times when you can’t do without it. Rainy rainy weather instantly clouds the glass from the inside.
Motorists are divided into two types: unable to end.On air conditioner and those who do not see the meaning of life without it. However, many forget that the air conditioning, like climate control, requires timely maintenance.
In hot weather, you can maintain the required level of coolness in the cabin only with the help of air conditioning. In addition, there are times when you can’t do without it. Raw rainy weather instantly blows glass from the inside. Will have to be wielded with a rag if the “condo” does not work.
We will talk about how the air conditioner works, how to refuel it with your own hands and how to extend his life.
In most modern cars, the air conditioner is quite simple: a compressor, capacitor and evaporator. For all three parts, a refrigerant circulates. GAZ Freon. The compressor compresses it, thereby increasing the temperature. Hot freon enters the capacitor, where it cools and takes a liquid aggregate state.
After that, the refrigerant enters the circuit with high pressure, spray and enters the evaporator, where the process of cooling occurs. He, as it were, takes the heat from the air. The process goes in a circle. Freon enters the compressor in the form of cold gas.
Despite the fact that we are talking about a closed system, Freon leakage still occurs. In the process for the year, the air conditioning may lose up to 15% of the refrigerant. Experts recommend refueling the air conditioning every three years if the system was not depressurized. In addition, it is necessary to ensure that corrosion does not destroy the capacitor.
Today in all cars the same refrigerant is used. Freon R134A. It began to be used after 1992, previously used the R-12 refrigerant, which destroys the ozone layer and harm health.
Find out how much freon needs for your car model, you can by sticker under the hood. It indicates the type of refrigerant, the nominal mass in grams and the required amount of oil. This information can also be learned from the instructions for the car or by dealers.
You should not pay much attention to the quantity, it will only tell you about how many spaces with gas you need to purchase. If the air conditioning is refueling, the system still has a certain amount of gas. Find out exactly how much, without special equipment cannot be. Therefore, you will have to navigate according to the testimony of the manometer.
Now a little more. In fact, you will need a little more than a cylinder with a freon and a manometer. Special sets are sold in car shops, including, in addition to the pressure gauge and cylinders, hoses and adapter crashes. But all this can be collected separately.
Before the procedure, you need to familiarize yourself with all the nuances. Gas pumping is carried out in a low.Pressure highway. It is marked with “L” (LOW) and/or blue cap.
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Before taking off the cap from the fitting, it needs to be wiped, otherwise dirt and dust can fall into the system. The compressor will not be happy with this. Immediately make a reservation that the whole procedure needs to be carried out with a running motor, which operates approximately 1,500 rpm., so that the compressor can pump gas.
On the Kondem control panel, we include air recirculation along the cabin and maximum fan revolutions. If all the conditions are met, then you need to open a low.Pressure line crane with a cylinder connected to it with a manometer turned upside down. Now the air conditioner refueling is taking place.
How much will you have to spend on refueling the air conditioner? Is it possible to refuel the air conditioner yourself?
If you take the average price, then approximately 2.5 thousand. This includes diagnostics, service, Freon himself, which significantly went up this year.
The expert says that it is impossible to refuel the air conditioner yourself without equipment. Even those cars that stand along the roads with a “air conditioning refueling” sign have only a minimum set for refueling and, as a result, do this service not completely. Here he recommends contacting a service that has all the necessary equipment.
Is it worth using the dressing service with departure?
As a rule, the refueling of carconditions with departure is as follows.
- At the agreed time, the master with all the necessary equipment comes to the appointed address. You must provide him with access to the hood of the car and the ability to start the engine to turn on the air conditioner.
- The master conducts pressure testing the air conditioner system to identify a possible leakage. At this stage, the presence of a leak is established, and in the absence of leaks, a refueling of the system R134A is carried out. The gas station is controlled by the volume of the flask and by pressure in the system.
- At your request, the master performs leakage diagnostics, checking all the elements of the carcontacle and the joints of the joints by the lefrar and/or UV lamp.
- At the end of the gas station, the master checks the air conditioner’s operation parameters, and if everything is in order, he writes out the coupon for the warranty period specified in advance.
The dressing with the exit is convenient in that you can call the master in any place. Home to yourself or to your relatives, to work, for a parking lot, etc.D. You restore the operability of the air conditioner in your car without losing time to stay in the service.
The refueling of an autocontroller with a departure is justified only for bulky transport: tractors, special technical technical technical specifications, tractors. T.E. The technique that is problematic to get to the necessary service station in its own way.
How often you need to refuel air conditioner
If you have never thought about the condition of the air conditioner in the car, this is time to do it. As one of the most important devices in the summer, it requires refueling and leaving.
The question of how often you need to refuel the air conditioner and what will happen if you neglect this, we will analyze in this material.
Why is it necessary to refuel the air conditioner?
Many car owners have a misconducts about the carcondition, they say, its maintenance, antibacterial processing and refueling. Only a waste of money that is beneficial only to owners of car services. Indeed, everyone in the house has a simple household refrigerator, which no one has ever filled with anything, and a good refrigerator is able to work out for decades. Why is that?
The reason for the differences between the automotive cooling system and the household refrigerator is in the conditions of use. The home unit holds most of its “career” in one place and does not experience constant vibrations, sudden changes in temperature, pressure and other negative environmental influences that provoke the loss of freon. Already very flying gas. In the car, everything is exactly the opposite. When driving, Freon leaves even with very high.Quality tightness and the designers have not yet been able to completely exclude its losses.
So with each trip, the gas gradually leaves the system, and after a few years its volume will reach a critical mark, when the effectiveness of air cooling will worsen much and problems like constant overheating and interruptions in the air conditioner will begin.
Another element that affects the correct functioning of the air conditioner is the technical oil that washes the active elements of the system. It, like any other lubricant, has its expiration date, which means that sooner or later it will become worthless. He needs replacement during service.Replacing the lubricant and freon will help facilitate the operation of the air conditioner, reduce the likelihood of a breakdown, eliminate extraneous sounds and increase the life. Together with refueling, you can also carry out antibacterial treatment. Clean the system from harmful bacteria and fungi, which cause diseases and an unpleasant odor in the cabin.
Keep in mind that repairing a broken air conditioner is a rather expensive pleasure.
How often to refuel the air conditioning system?
Rush with this procedure, as well as delaying it beyond measure definitely not worth. There are supporters among car owners of the annual air conditioning refueling even on a new car. This is of course too unnecessary. Freon certainly leaves the system, but not so fast as to rush to a car service at all pores.After three years of active operation of the car, the volume of the refrigerant decreases to the minimum when the air conditioning efficiency begins to deteriorate, and at this moment refueling needs to be carried out. It would be nice to change enough, to diagnose freon leaks and antibacterial treatment against harmful microbes.
If your car has already exceeded seven years, then the next gas station should take place in a year or two, since the system is no longer new and holds Freon worse. Accordingly, the time when you need to refuel the air conditioner, we count from the moment the car was released for a standard air conditioner, and if you installed a cooling system on board, where it is not provided, then consider from the moment of installation.If you doubt whether it is necessary to refuel, then in the area of the drainage there is a special window where you can see the number of freon: colorless even mass. Refrigerant in order, white substance in bubbles. Air conditioning needs refueling.
You can also turn on the air conditioner and observe his work. He needs diagnosis of freon leaks and so on, if:
The quality of cooling has become lower; On tubes with a refrigerator of the flow of lubricating fluid; The internal block is covered with hoarfrost; Hissing sounds are heard immediately after turning on the device; The air conditioner fails to turn on.
If you feel damp and unpleasant odor in the air conditioning process, then this is a symptom of a completely different problem. Either your salon filter clogged, or the cooling system has not been cleaned for a long time from microbes and fungi. Only antibacterial treatment in a car service can help you with this and eliminate smells. We advise you to spend it every year.
Is it worth it to refuel the air conditioner yourself?
When the moment of leakage diagnostics came, the air conditioning refueling and a change in lubrication, then such a service can be obtained in a car service using special equipment, and this option is easiest. But drivers, for considerations of savings, often prefer to solve problems with the cooling system on their own and try to carry out refueling themselves.
If you really want to solve the problem with your own hands, then you will need a cylinder with a refrigerant, scales, manometer, vacuum pump, fittings, adapters and syringes for pumping lubricant fluid. We look at the necessary volume of freon on the label under the hood or in the operating instructions. But is there such a saving for the forces spent?
Air conditioning is a rather complicated system that is quite easy to damage, including an incorrect refueling. If you overdo it with a refrigerant, you will only overload the device and provoke the congestion in the tubes, which will provoke new leaks. If you do this for the first time and you do not have familiar experts, then it is better to contact knowledgeable people in a car service.
The employees of the repair center have not been using manual devices for a long time in the process of refueling, but refill the air conditioners using automated equipment, which reduces the likelihood of errors to a minimum, seriously reduces the reduction of the procedure and simplifies it. The volume of the freon in the system is indicated on the screen, the substance is removed, the exhaust lubricant fluid is drained, vacuuming is carried out, then the device is checked for leaks of the refrigerant, and in the case of a positive result, a new freon is pumped and oil is changed. They can also carry out antibacterial treatment to disinfect cavities and filters. As mentioned above, this will eliminate the unpleasant odor, kill pathogenic bacteria and will positively affect the health of passengers.
How often you need to enclose and re.Dispatch the air conditioning system in the car? How to understand the appearance of equipment whether it is worth serving the air conditioner here?
Summer does not indulge us with warmth, but this is just its beginning. Every year it sways gradually closer to July. But now there are more and more posts about air conditioning, its maintenance and replacement of air conditioning systems.
We know that car manufacturers deliberately create the appearance of eternal systems in cars. Why is this being done? Everything is clear here, you need to create the appearance of cheapness of car service. Therefore, everyone competes in the increased life of oils, some have generally become eternal, etc.P. At the same time, these competitions lead to the fact that breakdowns on cars and expensive repairs are becoming the destiny of not 15-20 year-old cars, and sometimes already 5-7 years old, in some cases earlier.
On the Japanese experience of using motor oils in the market, where it is prohibited to lie to the consumer in detail earlier (here).
As for air conditioners? How often you need to refuel them and why?
In the air conditioning system there is gas (freon) most often this R134A, But another one is gradually replacing him R1234YF. In the freon, alcohol.Based oil works to lubricate the compressor of the air conditioner.
Tetraftoretan (R134A) at atmospheric pressure boils at temperature.29 ° C, in the air conditioning system, gas is under pressure. The transition of gas to the liquid state under the pressure created by the compressor of the air conditioner and from liquid to the gaseous one allows you to cool the air in the cabin. The principle of operation is the same as the standing house of the refrigerator.
In general, the air conditioning system can maintain gas in the system for a long time, but it is 100% not tight. That is why car manufacturers do not give a guarantee for a refrigerant in the system or limit it for a period of 6 months.
To illustrate the situation, let’s see what they write about this in the service books.
Warranty obligations do not apply to the following elements, details and components: a refrigerant of the air conditioning system.
The refueling of the air conditioner by the co.Lawen.Preparatory guarantees that the refueling of the air conditioner will be sufficient for 6 months from the date of sale of the car without a mileage restriction.
Service documentation of the KIA car. A guarantee for a freon in the system only 6 months from the date of transfer of the car to the buyer.
Why is that? The answer is obvious. The system is leaky. Freon leaves the system for various reasons. This is mainly a temperature difference, shaking in the process of movement, etc.P. Experience in the service station and the operation of their cars shows that in the average car after 2-3 years of operation there will be only 2/3 to half of the freon from the volume refined by the manufacturer.
Naturally, since Freon does not leave at once, you will not notice sharp changes. There will be only a feeling that the air conditioner does not cool too quickly or blow cool, but not cold air at the lowest temperature values.
What is fraught with the use of air conditioning with Freon refueling incompletely?
The air conditioner will be cold, but due to the more frequent inclusion of the air conditioner compressor, and this is:
Additional fuel consumption; increased compressor wear; Reducing the power characteristics of the car (the compressor eats from 10-15% of the engine horses).
Instead of freon, air enters the system, and with it moisture. As I already wrote above the oils used in the air.Based air conditioning system. And therefore very actively absorb moisture. In the system, aggressive acids are formed, which lead to increased wear of the air conditioner compressor (one of the most expensive system details).
The compressor, wear out, pollutes the system with products of its destruction. These particles score a deharmacy filter and in modern cars the condenser (air conditioner radiator) and the radiator of the evaporator in the cabin (depending on the method of its production) can be scored.
When replacing the compressor on VAG, it was recommended at a minimum:
Do was washing the air conditioning system (the procedure is rare, t.To. There are few on what services you will find such equipment). Read more here; Replace the filter-drying filter; Replace the reduction valve of the salon.
As you know, the procedure is quite expensive.
Also, the lack of freon and oil leads to the fact that the rubber rings of the sealing places of the pipe connections to radiators. And due to this, Freon begins to leave. Many are faced with the fact that, with an unemployed air conditioning, they come to the service, they season them and about the miracle. The air conditioner earned. Only after someone has a month, and someone has a year all Freon leaves the system. At the same time, when crimping the system, the station does not show any leaks. The guilt of this dried rubber rings. Which one? Only in.Depth diagnosis of the system with the addition of paint to freon will be able to say.
Therefore, it is much easier and cheaper to serve the air conditioning system every two to three years.
How and where it is better to produce air conditioning service?
Here everyone is free to decide for himself. I personally prefer the dealer station. I will explain why. The difference in the price between the usual car service and the dealer station is small. When requesting this service, start from 1,000 rubles to 4,000 rubles. Literally last week I made a request for a car Renault Duster 2.0. Here are prices:
Autocenter Petrovsky 2 490 rubles; Hermesavto 2800 rubles.
Petrovsky also includes a check of the salon filter. You can take a new filter with you and replace it immediately if necessary.
Multibrand service “Authority” (renosype). 2000 rubles; Multibrand car service “Repser”. 3500 rubles; Autotechnical Center Renault Chertanovo. 2000 rubles; Car service “Argument-Auto” 2500 rubles; Car service SM-Motors 2200 rubles; Car service autopilot Shchelkovskaya 1800 rubles; Mechanic drive 2800 rubles; Car service autoexpert on Nagornaya 1,500 rubles; Car service Bosch service “Filcity” 2160 rubles; “Interated-service” on Voikovskaya (rn Koptevo in CAO) 2400 rubles.
Do I need to refuel a carcontration?
The refueling of the car air conditioner has to be performed by each driver every few years. This is due to a number of natural reasons why the level of refrigerant circulating inside the system is gradually decreasing. This is due to the imperfection of the design. Fortunately, preventive measures can ensure stable equipment for many years.Now the refueling of the carcontacle costs about 400-700 hryvnias (27), in turn, the repair is much more expensive. The fact is that due to a decrease in the level of freon, the compressor may fail. Its replacement is an extremely expensive event.The air conditioning refueling is not everything yet. According to all the rules, it is also necessary to clean it in order to resume the level of operation of equipment as in a new car.Unfortunately, the natural decrease in the level of Freon is far from the only reason for the poor operation of the system. Even a small pebble in a radiator can lead to depressurization. In this case, a decrease in operational qualities is observed almost immediately. For example, yesterday, a powerful stream of fresh air almost immediately blew the heat from the cabin, and now the effect even after 20 minutes of work is close to zero. So, a breakdown of an unnatural nature.In order to cope with the hook in the cells of the radiator, it is best to use argon-arc welding. Although not in all cases it is applicable. It all depends on the material from which the honeycombs are made. Sometimes you can even do with a simple soldering iron, but this option is not the best. In any case, the service experts will select the most effective air conditioner repair method.How the service works.It all starts with diagnostics. Service experts check the tightness of the system. An important sign of depressurization is the presence of air and water in the pipes. By the way, in the winter, such a state of business is extremely undesirable, because the water can freeze and block the TRV. Over, do not forget about corrosion, which slowly corrodes the structure.The air inside the system increases the load on the compressor. All due to nitrogen impurities. To get rid of it, vacuuming is used. This technique allows you to remove all extraneous gases from the air conditioning system. Of course, pre.Holes are first sealed. In the case when a simple refueling is carried out this procedure is optional.What should be a fraudent car manufacturer tries to achieve the maximum performance of his cars. The issues of ergonomics, design and are also important. The result of systemic work and deep analysis is a modern car.As an example, take the Freon R-12 and A-134. The former uses mineral oil, and as part of the second. Synthetic. Interestingly, the R-12 has been discontinued for a long time. Which is not surprising, because cars, with air conditioners working on it, were produced in the distant 1992-1994. Fortunately, there is a high.Quality substitute. 406. In turn, there are no difficulties with new cars in this matter.
How to operate air conditioner correctly
There are rules for using a car air conditioner. Firstly, during washing the capacitor must be washed and dried. It is important that the stream power does not exceed 4 atmospheres. Secondly, even in winter, it is necessary to turn on the device for 10-15 minutes at least twice a week. Otherwise, due to the sealing of gaskets and rings, a leak may be found by the summer.
In what cases is the self.Refueling of the air conditioner justified?
Experts say that the new car requires refueling a carcontacle at least once every three years. Over time, the loss of refrigerant increase, and a car over 10 years requires annual refueling by freon. It makes sense to perform this procedure on your own only when you are sure that the system retains tightness, water or air did not get into it, all components and components of the air conditioner are working and efficient.
For a high.Quality refueling of the system, in addition to the listed equipment, a vacuumer or a gas station, freon scales, an oil cup, ultraviolet fluid, oil of the same viscosity as in the system are also required. Typically, freon and oil are not sold in small doses (for the 1st refueling), they are sold in large volumes, so it is irrational to refill the system yourself at the average cost of refueling 2000 (especially since you will spend at least 5000 on materials). The main thing is to choose a qualified and conscientious car service.