Car-Cabin-Air-FiltersYou likely know about air filters—maybe you have one in your home or office or at least know someone who does. Cars have cabin air filters that ensure that the air stays clean inside the car, because when you are driving you spend a good amount of time sitting there and you want good, quality air to breathe!

But who knew there was a process behind how these air filters work and how you should replace them? As you might have guessed, air filters catch dust, pollen and other airborne material that finds its way into the vehicle's cabin. This is very nice for people who have respiratory problems, like allergies.

How to Know When It is Time for a New Filter

When your car smells bad all the time you may want to think about purchasing a new air filter. Also if you get more noise than cool air when you put your air conditioning on very high on a particularly hot day, then a new cabin air filter is likely in your foreseeable future.

It is recommended that one replaces a vehicle's air filter every 12,000 to 15,000 miles, depending on where and how often you drive. In the south in a city you may have to get it replaced more frequently than if traveling in a northern rural area. Consult your owner's manual for your specific make and model.

The Replacement

Maybe you have heard from a dealership that you need to get the filter replaced. When you get it replaced, ask about seeing the filter you presently have. You may be surprised as to what it has caught—maybe grime? Dead bugs? Twigs? That's nasty stuff and you'll want to get the filter replaced. This filter won't look like the white to off white filter contraption that was originally put in your car.

How The Mechanics Replace The Car's Air Filter

If your air filter needs replacing, then it is not a super complicated process to get it done. It may be done at the same time you get an oil change, so it's not a bad idea to get your mechanic to check out your cabin air filter when you are there for that task! The air filter may be underneath your dash between the blower and other heating, ventilating and air conditioning (HVAC) equipment. It could also be well-protected from moisture in the back section of the outside air intake above the blower. Another location it could be found is in the outside air intake, and when they open the hood they can see it.

Now, the mechanic removes the air intake screen, after removing plastic fasteners that have held it in place. The mechanic may have their own tools for removing the fasteners, but sometimes they'll just do it by hand. They lift the old filter out of the case, put the new one in and reattach the fasteners.

Thank you to the folks at Miracle Dodge Chrysler Jeep in Gallatin, TN, for giving us the scoop on what's behind vehicle cabin filters!

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