What are the three filters of the car?How often is the best time to change the three filters

Automotive three filters refer to air filters, fuel filters, and oil filters. Under normal circumstances, the service life of air filters is 10,000 to 20,000 kilometers; the general service life of fuel filters is also 1- 20,000 kilometers; the service life of the oil filter is 5000-8000 kilometers, up to 25000 kilometers.

These are the service cycles of the three filters, but they are only for reference, and the specific decision should be made in accordance with the actual situation. However, it should be replaced regularly, if it is not replaced for a long time, it will cause a certain impact.

The role of three filters

1. Air filter: filter the gas entering the engine and remove impurities in the air, because impurities entering the cylinder will cause abnormal wear of the cylinder and shorten the service life of the engine;

2. Fuel filter: filter the gasoline that is about to be burned to remove impurities inside, so that the gasoline can better participate in the combustion and increase the power.

3. Oil filter: installed in the oil passage, the oil is filtered through the filter element and then flows to the parts that need lubrication during the circulation process. In order to remove impurities in the oil, the filter can better lubricate the surface of the parts and reduce friction.

In addition to the three filters, there is also a core. One core refers to the air conditioner filter element. If the air conditioner filter element is dirty, it will affect the air output of the air conditioner. If it is not cool in summer or warm in winter, it may even breed bacteria and affect the occupants in the car. The air-conditioning filter element also needs to be replaced regularly.