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1. Clean water tank and condenser The water tank and the condenser are important components of the vehicle cooling system and the air conditioner. As the vehicle is used for a long time, dust, sand, catkins, etc. will be mixed in the gap between the two. Will affect the water temperature and air conditioning and refrigeration performance.
2. Check the pressure of the air conditioner. Replacing the refrigerant First check the high pressure test tube and the low pressure test tube, and then connect the fluorine pressure test table respectively. After the fluorine pressure meter is connected, the vehicle will start igniting and idling.
At this time, the air-conditioning switch is turned on, and the air-conditioning system is turned on to start the maximum operation detection. The high pressure in the idle state pressure detection should not exceed 300, and the low pressure in the idle state should not exceed 60.
After a few minutes of idling, observe the change in gauge pressure by raising the speed of the oil and check that the air conditioner compressor is operating properly. Then remove the original refrigerant, the weight is generally between 250g-300g, received a pressure gauge to prepare for fluoride, it is recommended that the general two or three years of the car with a bottle, some models can add two bottles.
3. The right choice of oil viscosity in autumn and winter to the autumn and winter a lot of owners complain about oil, in fact, in the fall and winter can choose a lower viscosity of the lubricant, of course, this is in good condition, the wear is relatively small under the premise. For a relatively large number of kilometers, old cars with a longer age should still use slightly more lubricating oil.
4. How to clean air conditioning duct replacement filter?
Air conditioning filter life is 12,000 kilometers for one time, this is generally in normal conditions. The method of cleaning ventilation ducts is very simple. It is to use wet towels to block the outlet of the air conditioner and adjust the air-conditioning speed to the maximum, so that the dust will be sucked on the towels. In addition, air-conditioning duct cleaning agents can also be used to assist the high-pressure air gun cleaning 2 to 3 times to achieve the purpose of cleaning.
5. What should be cleaned of musty air conditioning?
Some car owners will find that when the air conditioner is turned on, the air outlet will blow out a musty smell. This is because there is no reason to clean the air duct in time. The easiest way is to solve the problem by cleaning the air duct. As we mentioned above, the user can purchase air-conditioning cleaning agent to assist the operation. When the air conditioner is used, it should not be closed immediately. Instead, the air supply switch should be turned on for 5 minutes.
6. The correct use of air-conditioning internal and external circulation system vehicles in the fall and winter must pay attention to the use of the vehicle's internal and external circulation system, many models are now automatic air-conditioning, and some models are manual air-conditioning, at this time we have to pay attention. When the external circulation is used, the air conditioning enters the wind from outside the vehicle, while the internal circulation is the circulation of air inside the vehicle.
Internal circulation can improve the air-conditioning effect, but prolonged use of the internal circulation will reduce the air quality inside the vehicle and may make people feel dizzy. Under normal circumstances, it is recommended that everyone use the outer circulation to allow fresh air to enter the car and improve air quality.
7. The film can also reduce the temperature in the autumn and winter, many owners will also stick a solar film for their own car, the film has anti-ultraviolet radiation, improve air conditioning efficiency, insulation and other effects. In general, the commercially available solar film is more than 98% resistant to ultraviolet light, which is undoubtedly the best choice for female owners.
If your car has not been cleaned for a long time, we suggest that you may check it according to the above method to make the trip in autumn and winter easy and enjoyable.
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