Your vehicle uses an assortment of filters to keep your engine running smoothly. One type of filter you may have overlooked is the cabin air filter. This filter actually plays a very important role in helping to filter pollutants from your passenger cabin so you can breathe better. Its sole purpose is to ensure that the air you breathe while you drive is clean.
So, what does a cabin air filter do, and how often should you have it replaced? Read on to find out more.
What Does a Cabin Air Filter Do?
In essence, the main purpose of a cabin air filter is to keep the air inside your vehicle clean and free from pollutants. You’ll find these filters in most cars made after 2000. The filter is usually found behind your glove compartment or directly under the hood or dashboard.
When you use your car’s HVAC system, this filter helps to clean all the air that comes into your car. It filters out:
Pollutant | Description |
Dust | Fine particles that can accumulate inside the cabin and affect air quality. |
Pollen | Common allergen that can trigger sneezing, itchy eyes, and other allergy symptoms. |
Smog | A mix of smoke and fog containing harmful pollutants from urban or industrial areas. |
Mold Spores | Microscopic fungi that can cause respiratory issues and unpleasant odors. |
Animal Droppings and Leaves | Debris from animals or nature that can clog the filter and cause bad smells. |
How Often Should You Replace It?
There is no real rule when it comes to replacing your cabin air filter. If you don’t drive very often, you probably won’t need to have it replaced for quite a while.
On the other hand, if you drive in:
- Busy traffic
- A large city
- Dusty or polluted environments
You’ll likely need to change it more frequently.
Recommended Cabin Air Filter Replacement Interval
A good rule of thumb is to replace the cabin air filter every 15 to 25,000 miles or once a year, whichever comes first. Your vehicle’s owner’s manual may have a recommendation for how often you should get it replaced.
How Easy Is It to Replace a Cabin Air Filter in a Car?
The process of changing your air filter is easy but removing it could be a challenge depending on where it’s located. Some vehicles use clips and pins that are a challenge to take off and could break if you don’t know how to use them. When in doubt, bring your vehicle to a professional mechanic who can perform a cabin air filter changeout for a reasonable cost.
Trust ER Auto Care for Filter Replacement
For all your vehicle’s repair and maintenance needs, trust the experts at ER Auto Care in Plain City, OH. Our certified technicians will inspect and replace your cabin air filter to keep your air clean and your car running efficiently.
More Resource to Explore
Cabin air filter replacement
FAQs About Cabin Air Filter Change
Most car manufacturers recommend changing the cabin air filter every 12,000 to 15,000 miles or once a year, whichever comes first. However, driving in dusty or polluted areas may require more frequent replacement.
Most car filter replacement services include changing the engine air filter, cabin air filter, oil filter, and fuel filter, depending on your vehicle’s needs and mileage.
- The cabin air filter cleans the air entering your car’s interior through the HVAC system.
The engine air filter cleans the air that goes into the engine for combustion.
Both are essential but serve different purposes.
- Weak airflow from vents
- Unusual smells when AC is on
- Excess dust inside the car
- Allergy symptoms while driving
