In hot summer, it is a necessary to use the air conditioning. However, most of car owners do not pay more attention of the automobile air conditioning maintenance. Just using and never think of the maintaining methods, after a long time, it is sure to lead to problems with the air conditioning of your loved car. Maybe you are still not sure whether your car air conditioning can work well or has been damaged by improper use, and then you should have it fully checked with a kind of OBD Diagnostic Tool for diagnosis. Well, what problems will usually appear on the car air conditioning?

1. Clean water tank and condenser
Water tank and condenser are the important parts of the vehicle cooling system and air conditioning. With the long time of using, dust, sand and catkin will be mixed in the gap between the two, as a result, it will influence the water temperature and the performance of air conditioning refrigeration.

car Air Conditioning System

2. Check the air pressure and change refrigerant
First, check it is the high pressure test tube or low pressure test tube, and connected with the fluoride pressure test table, after that, start your car with a lower speed. And then turn on the air conditioning switch, and turn it up to the maximum for checking, the checking result should not be more than 300 under the idling situation and no less than 60.

car Air Conditioning System

3. How to choose the best oil viscosity in summer?
Many car owners may complain about using more oil. In fact, in summer, they can choose the low viscosity lubricating oil in the summer, of course, which can be just used under the situation of good shape, smaller wear. While for the cars that have run too long, and with an older age, it is better to use the lubricating oil with bigger viscosity.

car Air Conditioning System

4. How to clean the air flue and replace filter?
The original filter life of the automobile is 12000 kilometers once a time under normal use. It is very simple to clean the air flue of the car. Block the air outlet up with wet towel, and adjust the speed to the maximum, thus the dust will be absorbed on the towel. In addition, you can also use the air conditioning duct cleaning agent, added with the high pressure air gun and clean it for two or three times so that you can gain the purpose of cleaning. As we know, good filter is sure to be very important for the normal operation of your car. Here we suggest you to go to an online car diagnostic tool shop for help, and choosing the best tools for checking, such as Autel MaxiDas DS708, Launch X431 Diagun IIILaunch X-431 PAD Auto Diagnostic Tool, etc

car Air Conditioning System

5. How to get rid of the musty of the air conditioning?
Some car owners may find that there will be a smell of musty on the air outlet when turning on the air conditioning, this is because you have not cleaned up the air flue in time. The most simple method to solve it is to clean the air flue, also you can make it with the help of the air conditioning duct cleaning agent. Moreover, after using the air conditioning, you should not shut in down immediately, instead, keeping the air switch on about 5 minutes.

car Air Conditioning System

Besides, you should also pay more attention to the use of the circulatory system both inside or outside the car during hot summer. Lots of cars use the manual air conditioning, when adopting the outside loop, wind will be entered into the car conditioning from the outside of the car, while the inner circulatory can be only used by the inner loop.