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Cabin Air Filter: Everything You Need To Know

Apr. 14, 2021

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Cabin Air Filter: Everything You Need To Know

Cabin Air Filter Suppliers will share this article with you.

The air cabin filter is an important part of the vehicle cooling and heating system. It helps protect passengers from pollutants in the air they breathe.

The cabin air filter in the car helps to remove harmful pollutants from the air in the car, including pollen and dust. This filter is usually located behind the glovebox and cleans the air as it flows through the vehicle's HVAC system. If you find that your car has an unpleasant smell or the airflow has reduced, consider replacing the filter in the car to let the system and yourself breathe fresh air.

This filter is a small pleated unit, usually made of engineering material or paper-based multi-fiber cotton. Before the air enters the interior of the car, it will pass through this filter to capture the pollutants in the air and prevent them from leaking into the air you breathe.

The area you drive affects how often you change filters. Those who drive in cities, crowded areas, or places with poor air quality may need to change filters more frequently. If you live in a desert climate, your filter may become clogged with dust more quickly and needs to be replaced frequently.

If you do not have your user manual, or you want to know the signs that your cabin air filter needs to be replaced, please note:

Reduce or weaken the airflow, even when the heating or air conditioning is turned up.

A whistling from the cabin air intake duct.

The unpleasant musty smell comes from your car.

Excessive noise during heating or cooling system operation.

If you have any of these signs in your car, consider replacing the filter to see if this solves the problem.

Replace your cabin air filter

In most cars, the cabin air filter is placed behind the glove box. You can remove the glove box from the fasteners that secure the glove box yourself. If this is the case, your owner's manual should provide instructions on how to remove the glove box. However, if your cabin air filter is under the dashboard or under the hood, it may not be easily accessible.

If you do plan to replace it yourself, consider buying a new filter at an auto parts store or website to save money.

If your car is being repaired at a repair shop or dealership, the technician may recommend replacing the cabin air filter. Before you agree, please ask to review your current filters. You may be surprised to see that the filter is covered with soot, dirt, leaves, branches, and other dirt, which proves that replacement service is important. However, if your cabin air filter is clean and free of debris, you may be able to wait.

If you don't replace a dirty, clogged filter, it will affect the efficiency of your car's heating and cooling system. Inefficiency can cause other problems, including loss of air volume, cabin odor, or premature failure of HVAC components. Simply replacing a dirty filter can make a big difference in the air quality of a car.

Other steps to protect the vehicle

You can take other measures to maintain air quality and prevent other allergens from depositing in your car:

Vacuum upholstery, carpets and cushions regularly.

Wipe surfaces, including door panels, steering wheels, consoles, and dashboards.

Check whether the weather strips of doors and windows are well sealed.

Clean up in time to prevent mold growth.

Problems related to dirty filters

A clogged, dirty air filter can cause other problems for you and your car. One is your health decline, because pollutants will flow in the air, causing allergic reactions or breathing problems. A dirty filter does not work properly to filter out pollutants, so it is important to change the car's filter frequently. Consider replacing it before the start of the spring allergy season in February each year.

Another problem with clogged filters is inefficient HVAC. Therefore, your car's heating and cooling system must work harder, which may cause the blower motor to burn out. Inefficiency can also lead to loss of airflow, which can make your car feel uncomfortable when the seasons change.

The reduced airflow also affects the system's ability to remove fog or condensation on the windows. The dirty air can cause condensation on the windshield, making it difficult to see the road ahead. By replacing the filter, you should notice that the window is clearer and more visible.

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