Ask Dan! – What Does My Cabin Air Filter Do?

What does my cabin air filter do, and why should I bother replacing it?

Cabin Air FilterSimply put – your cabin air filter filters the air that comes into the cabin of the car.   If your car is equipped with a cabin air filter (and not every car is), then all the air that comes out of the heater and AC vents passes through the cabin air filter.  

The cabin air filter is designed to filter out any dust, pollen, or allergens that are in the outside air before allowing the air to travel through the heater vents. Regularly changing the filter allows you keep those nasty buggers out of your car and out of your nose. In extreme cases when the cabin air filter has been neglected to be changed, it can even restrict the airflow through the vents, causing issues that can impact the vehicle’s ability to defrost the windows quickly. 

So in short, the cabin air filter keeps the inside of your car clean and allergen-free, making for a more pleasant ride for all.

 

Have a question for Dan?  Send it to askdan@gascan.com

Dan Amundsen is a Master ASE Certified Technician, with over 40 years of automotive repair experience.  He has been the owner of Juanita Firs 76 since 1978.  He runs a true family business with his two children, three nieces, and many just-like-family employees that have been with the company for over 15 years.

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