How Often Should the Car Air Filter Be Replaced?
2 Answers
The car air filter should be replaced approximately every 20,000 kilometers. The air filter, also known as an air filter cartridge, air cleaner, or air element, is primarily used for air filtration in engineering vehicles, automobiles, agricultural vehicles, laboratories, sterile operating rooms, and various precision operating environments. During operation, the engine inhales a large amount of air. If the air is not filtered, the dust suspended in the air can be drawn 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," which is particularly problematic 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 particles from the air, ensuring that sufficient and clean air enters the cylinders.
Regarding how often to change the car air filter, from the perspective of a veteran driver with over 20 years of experience, it's best to determine based on mileage or time. Generally, it's recommended to change it every 15,000 to 30,000 kilometers or once a year. Like me, I check it every time I service the car and replace it immediately if it's dirty. A clogged filter can affect the engine's air intake, leading to increased fuel consumption and even engine wear. Long-term neglect may result in more expensive repair costs. I've driven in both urban and rural areas. If you often drive in dusty areas, such as near construction sites, you should shorten the interval to every 10,000 kilometers for a check. Checking it yourself is simple—just open the hood to see the filter box, pull it out, and check for dust accumulation. If it's blackened or dirty, it's time for a replacement. Don't wait until a big problem arises; small preventive measures can extend your car's lifespan and avoid breakdowns that require towing to the repair shop. Overall, developing a regular maintenance habit is key—it saves money and ensures peace of mind while driving.
