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1. Lack of refrigerant.
Car air conditioners generally add refrigerant once every 2 to 3 years, and some cars even add one plus a year. Even if the air conditioner is sealed very tightly, it still can't resist the refrigerant flying away, plus there are slight leaks in the air conditioning pipeline or condenser.
2. The air conditioner flap is damaged.
The flap motor is generally in the middle and lower part of the instrument panel, which belongs to the main switch of the air conditioning tuyere, and it is broken, which means that the switch is broken, even if the air conditioner can refrigerate the cold air can only drill out of the crack.
3. The condenser is too dirty.
The purpose of the condenser is mainly to dissipate heat, and the poplar catkins and catkins in spring are pasted on the condenser, which will cause the engine temperature to be too high or the air conditioning is poor.
Precautions for air conditioner maintenance.
Safety issues that should be taken into account when handling refrigerants.
1) Do not handle the refrigerant in a confined space or near an open flame;
2) Protective glasses must be worn;
3) Avoid liquid refrigerant from entering the eyes or splashing on the **;
4) Do not put the bottom of the refrigerant tank facing people, some refrigerant tanks have an emergency degassing device at the bottom;
5) Do not put the refrigerant tank directly in hot water with a temperature higher than 40;
6) If the liquid refrigerant enters the eyes or touches **, do not rub it, rinse it with plenty of cold water immediately, and immediately go to the hospital to find a doctor for professional treatment, and do not try to deal with it yourself.
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It may be that the blower is broken.
The reason why the cold air of the car is not too cold is due to the lack of freon, or the car can be divided, when it is not too cold, the pipe is blocked, the pipe is blocked, and the freon is not too cold when it is not enough, which is not too important, so there must be a professional person to pick it when you are there, so that the cold air of the car is hidden, and the car will naturally be cold.
Air conditioner, also known as air conditioner, refers to the equipment that uses artificial means to regulate and control the temperature, humidity, flow rate and other parameters of the ambient air in a building or structure.
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If the car's air conditioner is not cooling, it may be that the compressor is broken, or it is possible that the compressor clutch is broken. When the car air conditioner is cooling, the compressor clutch will be engaged, and the engine will drive the compressor to run at this time. The compressor can continuously compress the refrigerant and deliver the refrigerant to the evaporation tank, where the refrigerant expands and absorbs heat so that the refrigerant can cool the evaporation tank.
The air blowing from the blower passes through the evaporation box, and the cooled evaporation box can cool the blower."
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1. Refrigerant leakage. It is manifested that both the internal and external units work, and the compressor also works, but there is no refrigeration effect.
2. The compressor capacitor is damaged or invalid, resulting in the compressor not working.
3. The control panel of the internal or external unit of the air conditioner is faulty, resulting in the air conditioner not being refrigerated. Manifested as the air conditioner switch is not responding.
4. The blower is damaged. Manifested as no forced outlet.
5. The compressor is in the high and low pressure pipeline, and the air conditioner works but has no refrigeration effect.
6. The condenser pipeline is blocked, resulting in the refrigerant being unable to circulate for refrigeration.
7. The condenser fan is faulty, resulting in the refrigerant in the condenser pipeline not being released in large quantities, so it cannot be refrigerated.
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Air conditioning is an indispensable part of modern life, air conditioning provides people with coolness, but at the same time, air conditioning is always on is also easy to cause diseases, such as "air conditioning disease", etc., need to be used with caution.
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The air conditioning compressor is brought by the engine, so it will affect the power of the engine, and it will naturally consume fuel.
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What should I do if the car air conditioner is not cooling? - Car repairs.
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1. The reason why the car air conditioner does not refrigerate is sometimes that there is a problem with the refrigerant in the car air conditioning system.
2. Sometimes there is too much refrigerant and refrigeration oil in the internal organs of the automobile air conditioner, which will also block the filter screen of the filter, resulting in the effect of refrigeration, the resistance will increase, and the refrigerant flowing to the expansion valve will also be reduced, resulting in the car air conditioner not being refrigerated.
3. There is a drying tank in the refrigeration system of automobile air conditioner, and its main task is to absorb the moisture in the refrigerant and prevent the refrigerant from decreasing due to excessive moisture in the refrigerant. When the desiccant in the drying tank is saturated, the water can no longer be filtered out.
4. The automobile air conditioner is sometimes due to the fact that the compressor drive belt is too loose, which causes the automobile air conditioner not to refrigerate, or it may be that the heat dissipation capacity of the condenser decreases, resulting in the decrease of the refrigeration capacity of the air conditioner.
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There are several reasons why cars don't cool1. Air conditioner refrigerant leakage or lack of refrigerant.
2. The compressor capacitor is damaged or defective.
3. Poor remote control or air conditioner receiver.
4. The control panel of the air conditioner is damaged.
5. Introduction to the air conditioner that does not refrigerate the car air conditioner due to the damage of the fan or capacitor of the internal or external unit.
Automobile air conditioning device is referred to as automobile air conditioner. Automobile air conditioning is a ventilation device used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment in the best state, provide a comfortable riding environment for the occupants, reduce fatigue during the journey, create good working conditions for the driver, and play an important role in ensuring safe driving.
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The reasons why the air conditioner in the car is not cold are as follows: 1. The refrigerant is insufficient or too little. Insufficient or too little refrigerant is likely to be a small leak of refrigerant in the refrigeration system.
2. Too much refrigerant may also cause the air conditioner to not refrigerate. Due to the requirement of the proportion of refrigerant in the volume in the air conditioning system. If the proportion is too large, it will affect its heat dissipation; Similarly, if too much cooling engine oil is added during repairs, the heat dissipation of the refrigeration system may be reduced.
3. The drive belt of the automobile air conditioning compressor is relaxed, and the compressor will slip when working, resulting in a decrease in the transmission rate, a decrease in the speed of the compressor, and a decrease in the delivery of compressed refrigerant, which in turn affects the non-refrigeration of the automobile air conditioner. If the compressor drive belt of the car air conditioner is too loose, it should be tightened at this time, and if it is flipped by hand, it means that the drive belt is too tight and should be slightly loosened. 4. In the whole air-conditioning system of the automobile air conditioner, the refrigerant and the engine oil of the refrigerator are too much, which may also affect the blockage of the filter screen of the automobile air conditioner, and affect the non-refrigeration of the automobile air conditioner, its resistance increases, and the refrigerant flowing to the expansion valve may also be reduced, so it affects the lack of refrigeration capacity.
Question: The filter has been replaced, the refrigerant has been replaced.
If you don't ask a question, it shouldn't be bad!
Q: How much does it cost to replace a compressor?
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The common reasons why the automobile air conditioner is not refrigerated are: 1. The condenser is too dirty. If you often run a road with more dust and catkins, the condenser and radiator are easily blocked, resulting in poor heat dissipation, refrigerant can not dissipate heat, and air conditioner can not be refrigerated; 2. Lack or excess of refrigerant (R134A).
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1. Lack of refrigerant. If your car has poor air conditioning, and it starts to be bad after a period of time after filling the refrigerant, it may be that there is a leak in the condenser.
2. If the condenser is too dirty, it will cause the engine temperature to be too high or the air conditioner is poor.
3. There is water in the pipeline. There is a drying tank in the refrigeration system of automobile air conditioner, its task is to absorb the water in the refrigerant, when the desiccant in the drying tank is in a saturated state, the water can no longer be filtered out, and the water in the coolant will produce freezing phenomenon in the small holes, and cause the refrigerant to flow unsmoothly, the resistance increases, resulting in the air conditioner can not be refrigerated.
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Air conditioning is an indispensable part of modern life, air conditioning provides people with coolness, but at the same time, air conditioning is always on is also easy to cause diseases, such as "air conditioning disease", etc., need to be used with caution.
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My car air conditioner walks on the highway for 1 to 2 hours, it is less windy and does not refrigerate, and it is normal to turn off the engine and rest for 2o minutes, please ask what is going on.
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What should I do if the car air conditioner is not cooling? - Car repairs.
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(1) The issue of refrigeration dose.
We all know that air conditioning refrigeration not only depends on the refrigeration machine, but also the refrigerant is also very important, if the refrigerant injected into the air conditioner of the car is too much, it will also cause the air conditioner to be unable to refrigerate normally, of course, if the refrigerant inside the air conditioner is not enough, the air conditioner is also unable to refrigerate normally. Therefore, when the air conditioner of the car is not refrigerated, the first step is to check the amount of refrigerant inside the air conditioner, if there is a problem with the amount of refrigerant, it can be dealt with according to the specific situation, if it is too little, then add some appropriately, if the refrigerant is too much, you can carefully release some at the maintenance port on the low-voltage side of the air conditioning system.
2) The problem of unclean air conditioning system.
If the car is used for a long time, it will often accumulate a certain amount of dust, and the more common thing is that the refrigerant and the refrigerator have more garbage left inside, and these garbage will affect the air conditioning and refrigeration at the same time, and the dirty things will be brought to other parts of the air conditioner with the operation of the air conditioner, and the filter is the most affected place. Therefore, when the air conditioner is not cooling, you can check whether the filter of the air conditioner has accumulated too much dust, and if so, you can clean it. If the inspection reveals a problem with the refrigerant or freezer, you need to be careful when cleaning.
c) There is a cause of water infiltration.
In the process of using the car, the air conditioner of the car will inevitably infiltrate some water, and a small amount of water will not affect the normal operation of the air conditioner, but when the moisture accumulates to a certain extent, the refrigeration of the air conditioner will also be affected. If it is found that more water has penetrated into the air conditioning and refrigeration system, replacing the desiccant or drying tank in the car air conditioner is the first step, and then it cannot be forgotten that the air in the system is pumped out, and the last step is to inject an appropriate amount of refrigerant into the air conditioner.
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1.Insufficient refrigerant: The air conditioning of the car is usually added once every 2 to 3 years, and the loss of refrigerant is mainly leakage.
If your car has a defect in the air adjustment and it will start to be defective after a period of refrigerant refrigeration, then you need to pay attention. 2.Flap plate damage:
Damage to the flap motor is rare and not unheard of. If there's a problem with the flap motor, it's troublesome. The flap motor is generally located at the lower part of the instrument panel and belongs to the main switch of the air conditioner.
If it's broken, the switch is broken. Even if the air conditioner can cool down, the cold air can only come out of the cracks, and it is still drinking to quench your thirst. 3.
The condenser is too dirty: in summer, it is often found that the car is not cooled, there is no problem with the air detection system, and the high and low pressure is basically normal. When going to a 4S shop to repair a car, it is often recommended that the owner do an activity of cleaning the water tank.
The main purpose of cleaning the tank and condenser is to dissipate heat. In spring, poplar catkins are pasted on the condenser, which will lead to the phenomenon of excessive engine temperature or improper air conditioning. Therefore, every time after spring, car owners must check whether there is a lot of hair on the water tank.
When cleaning, you must pay attention to blowing it clean with a spray gun first, otherwise cleaning with a water gun will be counterproductive. Not only does the difference in empty fuel consumption increase. 4.
Damage to the empty compressor, throttle valve, or expansion valve: The empty compressor is unlikely to be damaged, so we don't have to worry too much about it. As for the poor adjustment caused by the failure of the expansion valve and throttle valve, these inspections are cumbersome and need to be repaired by a professional repair shop.
5.Belt aging is too loose: belt is also a relatively neglected component, generally the belt in the maintenance of the 4S shop will remind you to replace, in case there is no change in the use of the project will appear slippage, will cause belt breakage, belt noise, no assistance, poor air conditioning, etc., so it is also very necessary to check the engine belt.
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The reasons why car air conditioners are not refrigerated are as follows:
1. Lack of refrigerant.
The loss of refrigerant is mainly leakage, if your car has poor air conditioning, and after a period of time after filling the refrigerant, then you should pay attention. A relatively simple method is suitable for leakage, you can see through the middle grid that there is oil and dampness on the surface of the condenser, and in this case, the condenser is generally leaking.
2. The condenser is too dirty.
In summer, it is often found that the air conditioner is poor, and when you go to the 4S shop to repair the car, it is often recommended that the owner do an activity to clean the water tank. The purpose of cleaning the water tank and condenser is mainly to dissipate heat, and the poplar catkins are pasted on the condenser, which will cause the engine temperature to be too high or the air conditioning is poor. When cleaning, you must pay attention to blowing it clean with a blow gun first, otherwise it will be counterproductive when cleaning with a water gun, not only the bad fuel consumption of the air conditioner will also increase.
3. There is water in the pipeline.
There is a drying tank in the refrigeration system of automobile air conditioner, its task is to absorb the moisture in the refrigerant, when the desiccant in the drying tank is in a saturated state, the water can no longer be filtered out, when the refrigerant passes through the throttle hole of the expansion valve, the pressure and temperature factors decrease, and the water in the coolant will produce freezing phenomenon in the small hole, and cause the refrigerant to flow unsmoothly, and the resistance increases, resulting in the air conditioner can not be refrigerated.
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Hello, happy to answer your questions.
Hello, I am your exclusive technician, attentive, careful, dedicated to answering your car questions, for you to find the corresponding problem solutions and solutions! The car air conditioner is not refrigerated, which is generally a problem with the air conditioner pressure sensor. If there is electricity in the compressor plug, it is the problem with the compressor.
1.The most common reason why the car air conditioner does not refrigerate is the lack of refrigeration caused by leakage of refrigerant. 2.
If the refrigerant pressure is normal. Generally, it is a problem with the air conditioner pressure sensor. The data from the pressure sensor can be read by a diagnostic computer.
3.If there's no problem with the pressure sensor, there's no problem with the pipe pressure, but there's electricity coming to the compressor. Replacing the compressor will do.
1. Temperature setting. The refrigeration effect of air conditioning is directly related to the temperature of the air conditioner, if the temperature is set high when the air conditioner is turned on on on a hot day, the air conditioning refrigeration effect is not good. >>>More
The refrigerant filling should be carried out after vacuuming, and there are four filling methods: weighing filling method, gauge pressure filling method, empirical filling method and quantitative filling method. >>>More
First of all, it is necessary to determine whether there is any remaining refrigerant in the system, and if not, it is necessary to vacuum it from the new system and detect leaks. Vacuum must be evacuated at the same time as the high and low pressure interface, if there is still residual refrigerant in the system, it is necessary to eliminate whether there is leakage, the leakage point of the general automobile air conditioner is mostly at the interface and the rubber and aluminum tube pressure joint, with nitrogen pressure and soapy water can be found, the sealing rubber ring of the interface can be solved, pay attention to the type of refrigerant and the corresponding sealing ring when replacing, generally speaking, the automobile refrigeration system can not be completely sealed, under normal circumstances, the refrigerant will generally leak about 3 years, and the refrigerant can be added after the above problems are eliminated. When adding refrigerant, run the engine, turn on the air conditioner, add refrigerant from the low-pressure interface of the system, and check the leak again after adding. If the refrigerant is added after vacuuming, the compressor of some air conditioning systems will not run in the state of no refrigerant, and the compressor will run when the refrigerant is added to a certain Chengdu, which should be paid attention to in maintenance
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The smell of the air conditioner in the car means that the air conditioning filter element is to be replaced, and the replacement cycle is to be replaced once every six months, and the air conditioning evaporation tank and the air outlet of the blower are cleaned. Wish.