The air filter of car is the first "hurdle" for the air entering the engine, which is equivalent to the human nose. We offer HEPA box . In order to make the engine work properly, the air filter hold the important role to filter out sand and suspended particulate matter in air, so that the air entering the engine is relatively pure.
Winter to spring, in general, will contain relatively more dust and sand in the spring air, the air filter is prone to blockage, then the engine will be difficult to start, speed up the weak and idle speed instability, and other symptoms, which when the custom hepa filter once clean up is very necessary. The normal work of the air filter to avoid engine premature wear (non-normal) and maintain the best working condition.
Contain three kinds of different densities of particulate pollutants in the atmosphere, dust, debris and soot. In the open highway, the dust content is low compared to the rural and built-up areas. Dust concentration areas such as construction sites, sand region, air filter inspection and replacement frequency should be higher.
In the area of highways and traffic congestion, because the concentration of emissions from vehicles, so the carbon particles in the air content was significantly high. Inspection of the filter, you should carefully review its folds deep within. With high-pressure wind often blowing the filter. Sometimes, the filter external looks clean, but the interior is very dirty, then must be replaced immediately.
Inspection and replacement cycle of air filter
The air filter on the engine preventative maintenance is not an exaggeration. How to buy buy air filter ? Before the inhalation of air and fuel mixture, the air filter's function is to filter out the dust in the air, carbon, part of the water vapor and other debris to ensure clean air into the cylinder.
Theoretically, the combustion of fuel per unit volume, about 10,000 per unit volume of clean liquid bag filters . Typically, normal maintenance of the car manufacturer's recommended air filter replacement cycle to 48 000 km, and a routine inspection every 24,000 km; its conservative maintenance recommended replacement cycle for the 24 000 km. General car air filter 20000km want to change once per driving 25000km must replace the air filter. General 10000km about checks, the spring, preferably in the 2000km check again.