Where the cabin air filter sits and what it does

The cabin air filter in a 2017 Ford Explorer cleans the air that flows through your heating, air conditioning, and ventilation system before it reaches the passenger compartment. Over time, it collects dust, pollen, and debris, which reduces airflow and makes your climate control work harder. Replacing it is a straightforward job that takes about 15 to 20 minutes and requires no special tools.

Ford placed the cabin air filter behind the glove box on the 2017 Explorer. You access it by opening the glove box, removing a few fasteners, and tilting the box down. The filter itself sits in a plastic housing directly behind where the glove box was.

Key Takeaways

  • The 2017 Ford Explorer cabin air filter is located behind the glove box and can be replaced without removing the entire glove box assembly.
  • You will need a replacement filter (part number varies by cabin type), a Phillips screwdriver, and about 15 minutes of time.
  • The filter slides out horizontally from its housing, and the new one slides in the same way — pay attention to the airflow direction arrow printed on the frame.
  • Most owners replace the cabin air filter every 12,000 to 15,000 miles, though this varies depending on driving conditions and air quality in your area.

What you need before you start

Gather a Phillips screwdriver, a replacement cabin air filter for the 2017 Explorer, and a clean workspace or your driveway. The replacement filter part number depends on whether your Explorer has a standard cabin or a cabin with the optional air filtration system. Check your owner's manual or call a Ford dealer parts department with your vehicle identification number (VIN) to confirm which filter you need.

Common replacement filters for the 2017 Explorer include the standard OEM filter and aftermarket equivalents from brands like Motorcraft, Mann, and Fram. OEM filters typically cost between $25 and $40, while aftermarket options range from $15 to $35. Any of these will work; the difference is mainly in filtration efficiency and lifespan.

How to remove the old filter

Open your glove box fully and look at the right side (the side closest to the door). You will see two Phillips screws holding the glove box hinge to the dashboard. Remove both screws with your Phillips screwdriver. The glove box will now tilt down on its left hinge, giving you access to the filter housing behind it.

Look directly above where the glove box was. You will see a plastic filter housing with a seam running horizontally across it. The top half of this housing is held in place by a clip or two small tabs. Press or pull these tabs inward, and the top half of the housing will separate from the bottom half. The old filter will be visible inside, sitting horizontally in the lower half of the housing.

Slide the old filter straight out toward you. It will come out horizontally without resistance. Note the direction of the airflow arrow printed on the filter frame — this matters when you install the new one.

Installing the new filter

Before sliding the new filter in, check that the airflow arrow on its frame points in the same direction as the arrow on the old filter did. The arrow should point toward the passenger compartment, not toward the outside air. If you install it backward, the filter will restrict airflow instead of improving it.

Slide the new filter into the housing horizontally, making sure it sits flat and fully inserted. The filter should fit snugly in the housing without gaps around the edges. Once it is seated, press the top half of the housing back down onto the bottom half until the clips or tabs lock into place. You should hear or feel a click.

Closing up and testing

Tilt the glove box back up into its original position. Align the hinge holes with the holes in the dashboard and reinstall the two Phillips screws. Tighten them firmly but do not over-tighten, as the plastic can crack. Close the glove box and make sure it latches smoothly.

Start the engine and turn on the air conditioning or heat. You should notice improved airflow compared to before, especially if the old filter was clogged. If airflow seems weak or the same as before, stop and double-check that the new filter is installed with the airflow arrow pointing the correct direction.

When to replace it again

Most Ford owners replace the cabin air filter every 12,000 to 15,000 miles, though this depends on your driving environment. If you drive in dusty, sandy, or heavily polluted areas, you may need to replace it more often — every 8,000 to 10,000 miles. If you drive mostly on clean highways in low-dust areas, you might stretch it to 18,000 or 20,000 miles.

A straightforward way to know if it is time is to check the filter visually during an oil change or other maintenance. If it looks dark, clogged, or covered in debris, replace it. If it still looks relatively clean, you can wait. Some owners set a phone reminder for their next scheduled replacement based on their mileage.

Frequently Asked Questions

Can I drive with a clogged cabin air filter?

Yes, but your air conditioning and heating will work less efficiently, and you may notice weak airflow from the vents. A clogged filter forces your climate control system to work harder, which can increase fuel consumption slightly. It is not an emergency, but replacing it will restore comfort and efficiency.

Is the cabin air filter the same as the engine air filter?

No. The cabin air filter cleans air for the passenger compartment, while the engine air filter cleans air for the engine itself. They are separate components in different locations. The 2017 Explorer engine air filter is under the hood and is replaced differently.

What if I cannot get the glove box to tilt down?

Make sure you have removed both Phillips screws on the right hinge. If the glove box still will not tilt, check that nothing is blocking it from below — sometimes items fall into the space behind the glove box. If it is truly stuck, do not force it; take the vehicle to a Ford dealer or mechanic rather than risk breaking the plastic.

Do I need to disconnect the battery before replacing the cabin air filter?

No. The cabin air filter replacement does not involve any electrical components or airbags. You do not need to disconnect the battery or take any special safety precautions beyond the normal care you would take working inside your vehicle.

Can I reuse the old cabin air filter by cleaning it?

Some owners vacuum or blow compressed air through a lightly soiled filter to extend its life by a few thousand miles. However, once a filter is heavily clogged or torn, cleaning will not restore it to like-new condition. Replacement is more cost-effective than repeated cleaning, and a new filter is inexpensive enough that most owners straightforward replace it rather than maintain the old one.