According to the specific driving environment, it is recommended to replace the oil filter once for 5000-10000 kilometers

The air filter is a device for purifying the air. It consists of a shell and a filter element, and the filter element is arranged in the shell. There are various foreign objects in the atmosphere, such as dust, sand, etc., which will accelerate the wear of the engine, thereby reducing the service life of the engine. Sometimes tires carry takeoff stones, once they enter the engine, it can cause serious damage to the engine. The air filter can prevent this from happening.

In order to increase the air intake, the air filter housing is generally larger. Many racing cars even design a part of the frame as an air filter housing to increase its volume. When the engine is running, the air intake is intermittent, which causes the air in the air cleaner housing to vibrate. If the air pressure fluctuates too much, it will sometimes affect the engine's air intake. In addition, the intake noise will also be increased at this time. In order to suppress the intake noise, the volume of the air filter housing can be increased, and some partitions are also arranged in it to reduce resonance.

The filter element of the air cleaner is divided into two types: dry filter element and wet filter element. The dry filter element material is filter paper or non-woven fabric. In order to increase the air passage area, most of the filter elements are processed with many small wrinkles. When the filter element is slightly fouled, it can be blown with compressed air. When the filter element is seriously fouled, it should be replaced with a new one in time.

The wet filter element is made of sponge-like polyurethane material. When installing it, add some oil and knead it by hand to absorb foreign matter in the air. If the filter element is stained, it can be cleaned with cleaning oil, and the filter element should be replaced with a new one if it is excessively stained.

If the filter element is severely blocked, the air intake resistance will increase and the engine power will decrease. At the same time, due to the increase in air resistance, the amount of gasoline sucked in will also increase, resulting in an excessively rich mixture ratio, which will deteriorate the engine's operating state, increase fuel consumption, and easily produce coke. Usually, you should develop the habit of checking the air filter element frequently. According to the specific driving environment, it is recommended to change the air filter once for 10000-15000 kilometers.

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