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Chevrolet Equinox Engine Air Filter Replacement Guide
How to change the Ecotec Turbo 1.5L I4 engine's air filter in a 3rd generation 2018 to 2022 GM Chevy Equinox.

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2018 Equinox Air Box
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Loosen Counterclockwise
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Front Left Screw
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2018, 2019 and probably also the face-lifted or updated 2020, 2021 and 2022 model years) GM Chevrolet Equinox SUV in cleaning or changing the engine air filter element for the Ecotec 1.5 liter turbocharged engine.

Owners of other General Motors vehicles from Chevy, Buick, GMC, Cadillac and Holden such as the Trax, Blazer, Traverse, Tahoe, Suburban, Cruze, Malibu, Impala, Camaro, Cascada, LaCrosse, Encore, Envision, Enclave, Regal, Canyon, Sierra, Terrain, Acadia, Yukon, Savana, XT4, XT5, XT6, Escalade, CTS, XTS, CT6, Astra, Commodore and Trailblazer may also find these DIY instructions to be helpful. The procedure should be the same or very similar for the Ecotec turbo 2.0L I4 engine and the 1.6L diesel engine.

Two compatible replacement engine air filter elements with their part numbers include the following: ACDelco A3240C and K&N 33-5069.

The tools needed to complete this procedure include a 7mm socket with an extension bar and a 1/4" drive ratchet or a Phillips head screwdriver.

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

The black plastic engine air filter box is situated behind the passenger side headlight assembly and in front of the suspension tower.



 

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Front Right Screw
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Right Rear Screw
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Lift Off Air Box Cover
The air box cover is held in place by four screws with one located at each of the four corners.

Loosen the screws by turning them in the counterclockwise direction with a 7mm socket and a 1/4" drive ratchet or a Phillips head screwdriver.

The screws are "captured" so they will remain attached to the air box cover.

Carefully lift the cover off the top of the air box.

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Old Air Filter Exposed
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Remove Old Filter
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Old Air Filter Removed
Lift the old filter straight out of the bottom half of the air box.
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Inspect Both Sides
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Clean With Vacuum
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Clean Out Bottom Half
Inspect both sides of the old filter.

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

I recommend buying the OEM part which is the ACDelco A3240C engine air filter.

If you would like to have a washable and re-usable filter, choose the K&N 33-5069 which will need to be cleaned and re-oiled but can last for the life time of the vehicle.

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

Check the bottom half of the air box for any sand or debris. Clean it out with the crevice attachment of your vacuum.

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Install New Air Filter
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Rubber Alignment Tab
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Lower Air Box Cover
Line up the new air filter with the pleats facing down and the small rubber alignment tab situated at the left rear area of the air box.

Lower the cover down over the new air filter on to the bottom half of the air box.

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Tighten Screws Clockwise
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Four Screws Secured
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Engine Filter Replaced
Tighten the four screws in the clockwise direction with the Phillips head screwdriver or the 7mm socket and a 1/4" drive ratchet.

Double check that the two halves of the air box are flush together with no part of the filter visible at any of the edges.

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

The service interval specification for the engine air filter in the owner's manual is to replace it every 45K (45,000) miles.

For more, please check out all of my 2018-2022 GM Chevrolet Equinox DIY Repair & Maintenance Guides.
 

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