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Chevrolet Impala Engine Air Filter Replacement Guide
How to change the engine air filter in a 10th generation 2014 to 2018 GM Chevy Impala with the Ecotec 2.5L L4 motor.

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2014 Impala Ecotec 2.5L I4
Loosen Counterclockwise
Phillips Head Screws
This automotive maintenance tutorial was specifically written to assist owners of the tenth generation (2014, 2015, 2016, 2017 and 2018) GM Chevy Impala in cleaning or changing the engine air filter element for the Ecotec LKW 2.5 liter inline four cylinder DOHC motor.

Owners of other General Motors vehicles such as the Malibu, Cruze, Camaro, Sonic, Spark, Volt, Corvette, Trax, Equinox, Traverse, Tahoe, Suburban, SS Sedan, Bolt, Colorado, Silverado, Buick Verano, Regal, LaCrosse, Cascada, Encore, Envision, Enclave, Canyon, Sierra 1500, Terrain, Acadia, Yukon, Savana, ATS, CTS, XTS, CT6, XT5, SRX and Escalade may also find these DIY instructions to be helpful.

A few compatible replacement filters with their part numbers are as follows: ACDelco A3174C, PotAuto MAP 6009, Hastings AF1620, PT Auto Warehouse AF11251, Ecogard XA10015, MAHLE Original LX 3020 and K&N 33-2497.

The tools needed to access and replace the filter include a Phillips head screwdriver and a flat-head screwdriver.

Loosen Counterclockwise
Loosen Hose Clamp
Slide Off Air Intake Hose
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 box is located just behind the passenger side headlight housing.

The top half of the engine air box is held in place by five screws.

Loosen the 5 screws by turning them counterclockwise with a Phillips head screwdriver.

The five Phillips head screws will remain attached to the top half of the air box.

Then loosen the screw on the metal air intake hose clamp by turning it counterclockwise with a flathead screwdriver.

Slide the air intake hose off the rear corner of the engine air box.

Remove Plastic Tube
Plastic Hose Removed
Open Air Box Cover
Next, you'll need to remove the plastic elbow tube attached to the front of the air box.

I incorrectly used a flathead screwdriver to pry it off.

The correct way to disconnect the plastic elbow is to squeeze together the two ridged pieces on the plastic ring around the end of the tube.

Slide the plastic tube off the front of the air box.

Lift open the right (driver) side of the air box and slide the cover towards the right to disengage the tabs from their slots on the left (passenger) side.

Old Filter Exposed
Lift Out Old Air Filter
Old Air Filter Removed
Pull the old filter straight out of the bottom half of the air box.


Inspect Both Sides
Clean With Vacuum
Clean Out Bottom Half
Inspect both sides of the old air filter.

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

I recommend buying the General Motors OEM ACDelco A3174C engine air filter since it has great reviews on Amazon.

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

If your vacuum cleaner has a crevice attachment, clean out any sand or debris in the bottom half of the air box.

Install New Air Filter
Slide Tabs In To Slots
Close Top Half Air Box
Lower the new filter in to the bottom half of the air box with the pleats facing down and the rubber gasket and metal screen facing up towards you.

Line up the tabs on the left side of the air box cover with their corresponding slots on the bottom half of the air box.

Slide the cover to the left until the tabs are re-inserted in to their slots.

Push the air box cover closed over the bottom half.

Push On Air Intake Hose
Slide On Plastic Tube
Tighten Clockwise
Slide the air intake hose back in to place.

Tighten the hose clamp by turning the flathead screw in the clockwise direction.

Slide the plastic elbow back in to place on the front of the air box.

5 Phillips Head Screws
2014-2018-Chevrolet-Impala-Engine-Air-Filter-Replacement-Guide-023 2014-2018-Chevrolet-Impala-Engine-Air-Filter-Replacement-Guide-024
Engine Air Filter Replaced
Tighten the five Phillips head screws by turning them clockwise until they are snug.

Try to avoid over tightening the screws to prevent from cracking or damaging the plastic air box.

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

For more, check out all of my 2014-2018 Chevrolet Impala DIY Repair & Maintenance Guides.

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