Just after entering the summer, people who drive started to use car air conditioners frequently. After a period of silence and re-activation of air conditioners, there are some minor problems that can occur: odors, inability to cool, and the car becoming irritated... Let people diagnose this summer The epidemic of the car.
Illness 1, air conditioning refrigeration is not to force
"I haven't used car air conditioners for a long time. The weather is getting hotter every day. I found problems when I turned on the air conditioners after I got into the car. Although there are cold winds, only the air outlets can feel that the cooling effect is not obvious. Nothing unusual happened. What happened?â€
Person Vehicle Diagnostics: Adding Refrigerant + Cleaning
Some vehicle air conditioners have been decommissioned for nearly six months. The refrigerant may have leaked light and needs to be replenished. When the owner visits the repair shop, he must remember to remind repair personnel not to forget to clean the evaporator and the air-conditioning filter. Their clogging will affect the cooling effect. In addition, in the beginning of summer, it is best to give air conditioners a thorough cleaning. There are many cleaning agents on the market for cleaning the air ducts of the air conditioners. Owners can buy them for cleaning themselves, or they can go to 4S shops or car decoration shops. Please handle them by hand.
Illness 2. It is difficult to start an air-conditioned car
“The first two days were too hot and the air conditioner was turned on, but it was found that the car was much weaker than usual. What is this situation?â€
Renren car diagnosis: the engine load is too large, first open the air conditioning outside the cycle
If you park your car in the hot sun in the summer, the temperature inside the car may be as high as 670 degrees Celsius. At this time, you should open the doors and windows first, conduct physical ventilation, and wait two or three minutes before the hot air is exhausted to start the car. Do not rush to close the window at this time, first open the air conditioning outside the cycle, when the temperature inside and outside the car is similar, then close the window, use the internal cycle. Everyone car reminds the majority of owners, this operation can avoid excessive load when the engine starts, but also facilitates the air conditioner compressor to quickly enter the best working condition.
Illness 3, only a hot air outlet
"Now that air-conditioning is on, not only is it not cooling, but the air outlet is only hot, the more it gets hotter, it doesn't know where to go."
Renren car diagnosis: evaporator damage, air conditioning system clean
Experts pointed out that the direction of the air conditioning outlet is also very particular about, according to the physical principles of air circulation, cold air will sink and hot air convection, so when the air conditioning will open the air outlet, so that the formation of hot and cold air in the car convection, Improve the cooling rate.
In addition, after removing the air conditioner filter, find the evaporator of the vehicle. The evaporator will condense the moisture in the air during the cooling process, and adhere to dust and dirt to breed bacteria. Everyone car reminds the majority of owners that at this time it is necessary to fill the space where the evaporator surface and the air conditioning filter were originally located in the “Automatic Professional Air Conditioning System Cleanerâ€.
Illness 4, snoring after air conditioning starts
"After the air conditioner was turned on, the air conditioner did not start with a regular sound. There was a voice, and there was no sound. After the start, the air conditioning in the air outlet of the air conditioning was normally delivered. That is, there was a 'bang' sound every few minutes. What is this? ?"
Person Vehicle Diagnostics: Parts Damaged, Carpeted
Air conditioning abnormal sound is generally the abnormal sound of the air conditioning compressor, can feel the sound near the air conditioning compressor. Such abnormal sound is generally caused by the air and moisture doped in the refrigerant composition. Everyone car reminds the majority of owners that if the condition is still the same after the refrigerant is pumped, and the abnormal noise is located near the compressor, the internal mechanical structure of the compressor is more likely to be damaged: if the abnormal noise recurs after a period of time, it is located inside the center console. , Dryer bottle is more likely to reduce the efficiency. After the investigations were conducted, the key to the problem was found.
Symptom 5: There is still odor after air-conditioning cleaning
“Every summer air conditioning will cleanse the air conditioner once a year. I am afraid of odors. But after a short cleaning this year, I discovered that air conditioners still smell bad. What is the problem?â€
Everyone car diagnosis: the habit of using the car is wrong, turn off the air conditioning before parking
The generation of air-conditioning odors is mostly due to the accumulation of condensed water in the air-conditioning tubes, resulting in a dark and moist environment, which makes the mold multiply. Photo-cleaning is a way to stop the symptoms, and it is more important to find problems in daily driving habits.
Many people are used to turning off air conditioning when they are accustomed to parking. This causes condensate to accumulate in the pipeline. These condensate and dust in the air are attached to the surface of the evaporator and they can breed a large amount of bacteria. The air is blown out with the air. The entire interior air. Everybody car reminds the majority of owners that it is best to turn off the air conditioning three or five minutes before arriving at the destination, or turn off the air conditioning power at the destination, keep the fan idling, increase the air flow appropriately, and increase the temperature inside the air conditioning pipeline before stopping. In order to reduce the production of condensate, keep the air conditioning system dry.
Renren vehicle experts also reminded that some people use air fresheners or perfumes to mask the smell of air conditioners. They are not only useless but harmful. To solve air odors, it is best to use professional equipment to do a thorough disinfection of air conditioners and air ducts.
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