air conditioning system or car air conditioner As a virtual assistant in the car that is indispensable. Because the weather in our country in the summer is very hot. And if the road users like us who have to experience the outside air during midday The more you have to turn on the air conditioner or air conditioning system as cool as possible.

But sometimes when adjusting the refrigerant switch to the lowest temperature The air conditioner is still not cool. Many people may blame the refrigerant for running out. Are you deteriorating? But sometimes our own use causes premature failure of the air conditioning system. Therefore, there are good ways to keep the car air conditioner cool and stay with your car for a long time as follows:

1.Turn off the air conditioner before starting the engine. and before reaching the destination

And should also notice that the A / C button is in the on or off position. If it is on, deactivate the A/C switch before starting the engine. In order to preserve the air compressor, known simply as "Com Air" and if you are driving to your destination in the next few minutes.Turn off the A/C switch to turn off the air compressor. And to adjust the fan to the strongest in order to remove moisture from the air conditioner from the evaporator coil, leave it for 3 minutes, which moisture is the cause of various odors coming from the air vent. And do not forget to turn off the air conditioner every time before turning off the engine.

2.Add the correct type of refrigerant.

There are two types of refrigerants used in cars: Refrigerant 12 (R-12) and Refrigerant 134a (R134a), which are not compatible with each other.Before adding the refrigerant, first understand the car that uses the refrigerant. If you don't know which model you use, open the hood of the car.By looking at the refrigerant cap, if it is a lock cap, that is, it is a 134a system, but if it is a threaded head, it must use the old refrigerant R-12 and should not be added to the refrigerant too often. because frequently adding refrigerant may cause damage to the compressor If the filling is not colder Indicates that there is a leak in the cooling system.

3.Turn on the air conditioner for about 5 minutes.

When the car is not used for many days Before starting the engine, windows or doors should be opened. Then leave the air conditioner turned on for about 5 minutes to prevent moisture from being stuck in the air duct and preventing leakage of the air conditioner system.

4.Check the air conditioner every 3 months.

Most car air conditioners must be checked in the car service center every 3 months or every 5,000 kilometers.