What Causes the Noise After Replacing the Car's Cabin Air Filter?

[DelMax]

It is likely that foreign objects entered during the installation of the cabin air filter, causing the noise. Here is some knowledge about cabin air filters: 1. Function: They can adsorb moisture, soot, ozone, odors, carbon oxides, SO2, CO2, etc., from the air; they have strong and long-lasting moisture absorption capabilities, preventing the car windows from fogging up, ensuring clear visibility for drivers and passengers, and enhancing driving safety; they provide fresh air to the cabin, preventing occupants from inhaling harmful gases and ensuring driving safety. 2. Replacement: How often the car's cabin air filter should be replaced depends on the owner's usage. Generally, for urban household cars, it should be replaced every six months or once a year.