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Since about 2000, I've seen cabin air filters pop up in just about everything. This is a good thing. They help prevent debris from getting into the HVAC, and they help prevent allergens and smaller particles from entering the passenger compartment. I mention them because they are a serviceable item and should be changed out periodically. Every manufacturer has their own interval, so be sure to consult with your service manual or owner’s manual to find out what yours is. A good rule of thumb on these is to change them every 30K miles. You might be surprised at how easy it is to replace one of these. Yes, I have seen some that require way more work than they should, but the majority of them are pretty easy to swap out. Changing your own cabin air filter can save you a lot of money, so consider doing it yourself if you're due for a replacement. Also, if you haven't replaced yours in some time, it can cause issues with airflow in your HVAC. If you're not feeling the air come out of your HVAC vents like it used to, you might want to check the condition of your cabin air filters if equipped. Here's a video of a typical replacement.

BTW, some filters are located in the engine compartment in the area below the windshield wipers. Consult your service manual to find out where yours is located and how you can replace it.


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