The so -called "four grids" of motor vehicles include motor oil、Gasoline frame、Air conditioning grid、Air grid，Don't underestimate them，The important role played in the operation of motor vehicles。

If they are compared to the organs of them，It's like a human lung or heart，It is an indispensable part，Machine oil、Gasoline grids are like the lungs of the human body，It can filter the oil、debris in gasoline，Guarantee the motor can operate normally; the air and air conditioner grids are also equivalent to the filter，Without their filtration function，What a good motor vehicle cannot be exercised normally，What a good air conditioner will blow out the odor，Let's take a look at the four grids of the motor vehicle with the editor。

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Let's talk about the oil grid first，Motor oil will appear many miscellaneous objects when reciprocating，will filter them out through the oil grid，to improve the purity of the oil，Reduce the wear of the seabet loginengine，It is like the role of the human heart，Make sure the blood system cycle

The oil inside the oil pump is cyclical when reciprocating，There are usually many debris that we cannot predict，These debris need to be filtered by the oil compartment。

Daily maintenance of automobiles to replace the oil while replacing the oil filter，In addition，The impurities and pollution oil in the machine filter will bring pollution to the newly replaced oil，Short the use time of the new motor oil。

Gasoline electrons guarantee the normal operation of the engine

Followed by gasoline,The role of gasoline filter element is to ensure the purity of the motor fuel，Filter the moisture and debris of the gasoline，The purity of the gasoline itself is very high，Even if there will be certain debris in the fuel tank，Auto filter can also effectively filter out，The replacement duration of steam filter is generally recommended to be 20,000 kilometers or it is opened to 30,000 kilometers. It is also common。

Wish to know，The core of the motor belongs to the car，Filled debris can damage it，Then the gasoline grid is needed，The replacement duration of gasoline filter is generally recommended for nearly 10,000 kilometers，Its main function is to filter off the debris in gasoline，In fact, the role of the filter is to put the air、Machine oil、Filtering the dust and impurities in the fuel and cooling fluid，Make the engine from being polluted，Then protect the motor operation。

The application environment of the oil is very bad，Gasoline combustion appears that debris will pollute oil，For a long time, the oil will oxidize、Severing quality，and will be reduced Seabetto reduce，Therefore, the lubrication protection effect on the motor is lost，As a result, the engine is broken。(Note: Every time it is maintained, you need to change the air grid、Gasoline frame、Air conditioning grid、Spark plug，This is the maintenance recommendation of the manufacturer for the B -series engine)。

Air conditioning grid and air grid to ensure air cleaning

Once again the air conditioner grid, Usually called air -conditioning filter，The function of the air conditioning grid is to filter out the air from the outside，Make sure the indoor air cleaning，The usual filter refers to the debris brought about by the air，Subtilled particles、pollen、Fine、exhaust gas pollution and dust, etc.。The reason why the air -conditioning filter is blocked is the dust in the air。

The minimum editor wants to remind you all friends，We must pay attention to each grid of the car，Choose appropriate when replacing，Don't blindly pursue price，The most expensive is not necessarily the most suitable，If you change these accessories at 4S shop，Quality should be guaranteed，But low cost performance，The quality of the four grids cannot be made at all。

How can the accessories be cost -effective? The answer is that riders can take the time to go to the professional auto parts market to buy some formal brand accessories，It is not necessarily necessary to import or original accessories，But it must be a regular brand，This can be covered with quality，can also have high cost performance。

Car friends can replace them regularly according to their own situation or go to a professional car repair shop replacement. It is feasible，If you change it yourself，Pay Seabetspecial attention to the sealing of the interface。