How often should a car's air filter be replaced?

[SanLeah]

According to the car's maintenance manual, it is generally recommended to replace the air filter every 20,000 to 60,000 kilometers. If the driving mileage is low, it is suggested to replace it every 12 months. The location of the car's air filter element varies depending on the intake form and the engine's structure. There are two types of air filters in cars: dry and wet. Dry filters are made of paper or organic materials, while wet filters are made of metal wire mesh. The function of the air filter: to filter out particulate impurities in the air, ensuring that sufficient clean air enters the cylinders and preventing airborne dust from being sucked into the engine, which could accelerate the wear of the piston group and cylinders. Air filter: It is a type of filter, also known as an air filter cartridge, air cleaner, or air element. It is mainly used in engineering vehicles, cars, agricultural vehicles, laboratories, sterile operating rooms, and various precision operating rooms. During operation, the engine inhales a large amount of air. If the air is not filtered, the suspended dust in the air will be sucked into the cylinders, accelerating the wear of the piston group and cylinders. Larger particles entering between the piston and cylinder can cause severe cylinder scoring, especially in dry and sandy working environments. The air filter is installed in front of the carburetor or intake pipe to filter out dust and sand from the air, ensuring that sufficient and clean air enters the cylinders. A dirty air filter: Using an excessively dirty air filter while driving can cause insufficient engine intake, leading to incomplete fuel combustion, resulting in unstable engine operation, reduced power, and increased fuel consumption. Therefore, it is essential to keep the air filter clean. The car air filter is a device that removes particulate impurities from the air, composed of one or several air-cleaning filter components. Its main function is to filter out harmful impurities in the air before it enters the cylinders, reducing early wear of the cylinders, pistons, piston rings, valves, and valve seats. Therefore, the air must pass through the fine filtration of the air filter before entering the cylinders. A dirty air filter can cause poor engine performance, excessive fuel consumption, and engine damage. When inspecting the air filter, if it is found to have minimal dust and light blockage, it can be cleaned by blowing compressed air from the inside out and reused. Excessively dirty air filters should be replaced promptly.