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Ford Expedition Cabin Air Filter Replacement Guide
How to clean or change the A/C system's cabin air filter in a 4th generation 2018, 2019 and 2020 Ford Expedition.

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2018 Expedition Glove Box
Open Glove Box
Damper Arm On Right
This automotive maintenance tutorial was specifically written to assist owners of the 4th generation (2018, 2019, 2020 and most likely also the 2021, 2022 and 2023 model years) Ford Expedition SUV in cleaning or changing the A/C system's cabin air filter element located in the HVAC blower motor housing.

Owners of other Ford or Lincoln vehicles such as the Explorer, F-150, Escape, EcoSport, Transit, F-350, F-250, Edge, Flex, Ranger, Fiesta, Focus, Fusion, Mustang, Bronco, Super Duty, Navigator, Continental, MKZ, MKX, MKC, MKT, Aviator, Corsair and Nautilus may also find these DIY instructions to be helpful.

A few compatible replacement cabin air filters with their part numbers include the following: Spearhead BE-150, Fram CF12150, Premium Guard PC8214X, EcoGard XC10491, K&N VF2049 and TYC 800198P.

The tools needed to access and replace the filter include a 7mm socket and a 1/4" drive ratchet.

The first two steps are to open the glove box and empty out the contents.

Locate the damper arm on the right outer side wall of the glove box.


Button - Damper Mount
Pop Button Forward
Release Damper Arm
Pull the damper arm back towards yourself until the mounting button pops out of the smaller hole and into the larger hole.

Then pull the damper arm's mounting button out of the right side wall of the glove box.

Push In Side Walls
Release Side Stoppers
Rubber Side Stop
Firmly push in the two side walls of the glove box until the rubber side stops can be released from behind the dashboard.
Right Side Rubber Stop
Lower Glove Box
Open Door - Top Storage
Gently lower the glove box down to the floor mat.

Push the chrome silver button to open the top storage compartment.

Empty out any contents of the storage drawer.

Pull Out Rubber Trim
Pull Out Compartment
Storage Shelf Removed
Carefully pull the rubber trim piece at the bottom of the top storage compartment out of the dashboard.

Firmly pull the top storage compartment out of the dashboard.

It is held in place by a few metal friction fastener clips.

Set the top storage compartment aside in a safe place.

Two Screws Exposed
Loosen Counterclockwise
Brass Screw Removed
Remove the two brass screws located in between the upper and lower storage compartments by turning them in the counterclockwise direction with a 7mm socket and a 1/4" drive ratchet.
Remove Second Screw
Two Screws Removed
Pull Out Compartment
Set the two screws aside in a safe place.

Pull the lower storage compartment out of the glove box.

Plastic Friction Fasteners
Clips Released
Glove Box Light Bulb
There are a few plastic friction fastener clips that secure the lower storage drawer in place.

You may need to wiggle the compartment and use some force to remove it from the dashboard.

Locate the electrical connector for the glove box light bulb.

Disconnect Power Plug
Lower Storage Shelf
HVAC Filter Cover
Push in the release tab on the electrical connector and slide it straight off the rear of the storage compartment.

Set the lower storage compartment aside in a safe place.

Once the glove box, upper storage compartment and lower storage drawer have all been removed, you'll be able to see the HVAC blower motor housing and the filter access cover.

Pull Out Left Side Clip
Release Right Side Clip
Open Filter Cover
Gently pull out the tab on the left side of the cover to release the retaining clip.

Then release the retaining clip on the right side of the filter cover.

Try to avoid bending the retaining clips out too far to prevent from breaking them.

Swing open the top of the filter cover and then lift out the two tabs on the bottom edge.


Two Tabs - Bottom Edge
Old Filter Exposed
Slide Out Old Filter
Set the filter access cover aside in a safe place.

Slide the old filter straight out of the slot in the HVAC blower motor housing.

Old Filter Removed
Inspect Both Sides
Clean Out Filter Slot
Inspect both sides of the old filter.

If the old filter is dark grey or black and clogged with dirt, dust, sand, hair, pollen, insects, leaves, twigs, soot and other debris, it should be replaced with a new element.

I recommend buying the Spearhead BE-150 cabin air filter since it has excellent reviews on Amazon.

If you would like to have a more environmentally friendly washable and re-usable filter, choose the K&N VF2049 filter.

Check the filter slot in the HVAC blower motor housing for any large debris.

Clean out any debris in the slot with a crevice attachment on your vacuum cleaner.

"AIR" Arrow Down
Install New Air Filter
New Filter Installed
Orientate the new air filter with the "AIR" (air flow) direction arrow pointing down towards the floor mat.

Make sure the new filter is fully seated in the slot.

Insert Tabs Bottom Edge
Push To Secure Clips
Replace Plastic Clip
Line up the filter access panel with the slot.

First, re-insert the two tabs on the bottom edge into their corresponding slots.

Then push on the top edge to secure the two retaining clips.

You should feel and/or hear the clips "click" securely into place.

If any of the friction fasteners from the two storage compartments remained attached to the dashboard, pull them out and re-attach them to the back of the storage compartments.

Push In Power Plug
Re-Insert Lower Drawer
Spin In Two Screws
Hold the lower storage drawer near the dashboard.

Push the electrical connector for the glove box light bulb back into its socket.

You should feel or hear the connector "click" securely into place.

Carefully push the lower storage drawer back into the dashboard to secure the friction fasteners.

Two Brass Screws
Tighten Clockwise
Two Screws Secured
Replace the two screws by turning them in the clockwise direction with the 7mm socket and a 1/4" drive ratchet until they are snug.

Try to avoid over tightening the screws to prevent from cracking the plastic storage compartment assembly.

Top Storage Drawer
Replace Top Drawer Trim
Re-Insert Rubber Trim
Then slide the top storage drawer back into the dashboard.

Push on the compartment to secure the friction fasteners.

Re-insert the rubber trim pieces on each side of the storage drawer back into place.

Raise Glove Box
Push In Side Walls
Re-Insert Side Stoppers
Raise the glove box up towards the dashboard.

Firmly push in the two side walls until the rubber side stops can be re-inserted behind the dashboard.

Re-Attach Damper Arm
Button In Smaller Hole
Close Glove Box
Move to the right outer side wall of the glove box.

Re-insert the mounting button on the damper arm into the larger hole on the right side of the glove box.

Then push the arm forward (towards the front of the car) to pop the button into the smaller hole.

Double check that the damper arm is securely attached to the glove box.

Replace the contents of the glove box and close it to complete the procedure.

Enjoy the fresh clean air from your A/C system!

The service interval specification in the owner's manual for the cabin air filter is to replace it at least every 20,000 miles. I also recommending checking and cleaning the filter at every oil change (every 10,000 miles or 1 year).

Be sure to write down the filter change in your vehicle's service records.

Please check out all of my 2018-2020 Ford Expedition DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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