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Ford Expedition Engine Air Filter Replacement Guide
How to change the EcoBoost 3.5L V6 engine's air filter in a 4th generation 2018, 2019 and 2020 Ford Expedition.

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2018 Expedition 3.5L V6
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Engine Air Filter Housing
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Front Left Latch
This automotive maintenance tutorial was specifically written to assist owners of the 4th generation (2018, 2019, 2020 and probably also the 2021, 2022 and 2023 model years) Ford Expedition SUV in cleaning or changing the engine air filter element for the EcoBoost 3.5 liter turbocharged V6 engine.

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 engine air filters with their part numbers include the following: Motorcraft FA-1883, Fram CA10262, K&N 33-2385, Wix 49883, EcoGard XA5642 and AEM 28-20385.

No tools are needed to access and replace the engine air filter.

The service interval specification in the owner's manual for the engine air filter is to replace it every 30,000 miles. I also recommend checking and cleaning it at every oil change (10,000 miles or 1 year).

The first two steps are to open the hood and then move to the right (passenger) side of the engine bay.

The rectangular shaped black plastic engine air box assembly is located just behind the driver side headlight housing and in front of the brake fluid reservoir bottle.



 

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Release Metal Latch
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Front Right Latch
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Two Clips Released
There are two metal latches on the front edge of the air box that secure the top half to the bottom half.

Flip down the tab on the top of the metal retaining clips to release them.

The latches will swing down towards the bottom half of the air box.

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Lift Air Box Cover
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Slide Out 4 Plastic Tabs
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Old Filter Exposed
Slide the top half of the air box towards the front of the SUV.

Continue sliding the top half of the air box until the four black plastic tabs have been removed from their corresponding slots in the bottom half of the air box.

Lift the top half of the air box to reveal the old air filter.

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Remove Old Filter
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Old Filter Removed
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Inspect Both Sides
Pull the old air filter straight out of the bottom half of the air box.

Inspect both sides of the old air filter.

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

I recommend buying the OEM (original equipment manufacturer) engine air filter which is part number Motorcraft FA-1883.

If the old filter is relatively clean, just tap out the large debris and remove any fine dust with a vacuum cleaner.

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Clean With Vacuum
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Clean Sand Bottom Half
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Lower In New Air Filter
Check the bottom half of the air box for any sand, insects or other debris.

Clean out any debris with a vacuum.

Orientate the new filter with the pleats facing down and the rubber gasket facing up towards you.

Lower the new air filter down into the bottom half of the air box.

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New Filter Installed
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Slide Four Tabs In Slots
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Four Tabs Secured
Make sure the new filter is fully seated in the bottom half of the air box.

Lower the top half of the air box down over the new filter.

Slide the four plastic tabs on the air box cover into their corresponding slots on the bottom half of the air box.

Push the front edge of the air box cover down into place.

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Flip Up Metal Latch
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Secure Retaining Clips
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Engine Filter Replaced
Flip up the two metal retaining clips and snap them in place over the top half of the air box.

Double check that the two latches are securely attached and the two halves of the air box are flush together with no parts of the new filter visible at the edges.

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.
 

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