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Buick LaCrosse Cabin Air Filter Replacement Guide
How to change the A/C system's cabin air filter element in a 2nd generation 2010 to 2016 Buick LaCrosse sedan.

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2016 LaCrosse Glove Box
2 Screws Under Glove Box
Left Lower Screw
This automotive maintenance tutorial was specifically written to assist owners of the second generation (2010, 2011, 2012, 2013, 2014, 2015 & 2016) GM Buick LaCrosse sedan in changing the battery in the key fob remote control for the keyless entry system.

Owners of other General Motors vehicles such as the Chevrolet Impala, Monte Carlo, Malibu, Spark, Sonic, Cruze, Volt, SS, Camaro, Caprice, Corvette, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado, Buick Verano, Regal, Cascada, Encore, Enclave, Envision, GMC Canyon, Sierra, Terrain, Acadia, Yukon, Savana, Cadillac CT6, ATS-V, ATS, ELR, CTS, XTS, XT5, SRX, Escalade and Holden Commodore may also find these DIY instructions to be helpful.

The tools needed to complete the procedure include a 7mm socket with a 1/4" drive ratcheting wrench and a plastic automotive panel pry bar tool.


A few compatible replacement cabin air filter elements with their part numbers are as follows: TYC 800149C, K&N VF2040, ACDelco CF1197C, Cleenaire CAF184, Mahle LAK 740, Ecogard XC36154, ATP CF-247, Beck Arnley 042-2203, OEM CAF256C, Purolator C36154C, Pentius PHP6154, Champion CCF1872, UAC FI 1232C, ProGauge C36154C, Wix 24191 and Mann Filter CUK 2442.
Right Lower Screw
Loosen Counterclockwise
Remove Right Side 7mm
The first step is to sit in the front passenger seat.

Remove the two screws on the bottom edge of the glove box which point forward towards the front of the car.

There is one screw on the bottom left corner of the glove box and another on the bottom right side of the glove box.

Loosen them with the 7mm socket and a 1/4" drive ratcheting wrench.

Two 7mm Screws Removed
Open Glove Box - Empty Out
Remove Three Screws
Set the two 7mm screws aside in a safe place.

Open the glove box and empty out the contents.

Remove the three screws along the upper edge of the glove box by turning them counterclockwise with the 7mm socket and a 1/4" drive ratcheting wrench.

Middle 7mm Screw
Right Side 7mm Screw
Five 7mm Screws Removed
Set the three top 7mm screws aside in a safe place.
Pry Off Trim Panel
Release Plastic Clips
Rotate & Remove Panel
Move to the outer edge of the dashboard and gently pry off the trim panel with a plastic pry bar tool.

Rotate the rear edge of the panel away from the dashboard to remove the 90 degree angle at the front edge.

Set the trim panel aside in a safe place.

Side Trim Panel Removed
Gently Pull Out Plastic Clip
Pull Out Glove Box
Gently pull out the black plastic retaining clip near the middle of the outer edge of the dashboard to release the glove box.

Firmly pull the glove box out of the dashboard.

Glove Box Light
Press Release Tab
Disconnect Metal Clip
Press in the release tab on the electrical connector to unplug the glove box light.

Pull off the metal retaining clip to disconnect the glove box light housing wire.

HVAC Blower Motor
Gently Pull Out Clip
Release Left Side Clip
Lower the glove box down to the passenger floor mat.

Once the glove box is out of the way, you'll be able to see the HVAC blower motor housing and the rectangular shaped filter access cover.

Gently pull out the left and right side retaining clips to release them.

Pull Off Top Plastic Clip
Use Flathead Screwdriver
Flip Open Filter Cover
Gently pull up the retaining clip at the top middle of the filter access cover.

You might need to use a flathead screwdriver to pry up the top retaining clip.


Filter Cover Opened
Push Aside Wires
OEM Mann Filter In Slot
Swing the cover out and down to access the old cabin filter.
Pull Out Old Air Filter
Old Cabin Filter Removed
Inspect Both Sides
Slide the old filter straight out of the slot.

Inspect both sides of the old filter.

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

I recommend buying the TYC 800149C cabin air filter since it has excellent reviews on Amazon.

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

Empty Filter Slot
Slide In New Air Filter
New Filter Installed
If your vacuum has a crevice attachment, clean out any debris from the filter slot in the HVAC blower motor housing.

Check to see if the new filter has an "Air Flow", "Up" or "Down" arrow.

Orientate the new filter with the "Air Flow" arrow pointing down towards the floor mat.

Slide the new filter straight in to the slot.

Close Filter Access Cover
Push To Secure Three Clips
Push In Light Power Plug
Swing the hinged filter access cover closed over the new filter.

Push on the cover until you hear or feel the three retaining clips "click" securely in to place.

Raise the glove box towards the dashboard and push in the power plug for the glove box light bulb housing.

Re-Insert Glove Box
Push On Side Retaining Clip
Re-Insert 7mm Screws
Push the glove box in to the dashboard.

Push on the outer edge to secure the plastic retaining clip.

Re-insert the three 7mm screws along the top edge of the glove box.

Tighten Clockwise
Three Top 7mm Screws
Close Glove Box
Tighten the three screws in the clockwise direction with the 7mm socket and the 1/4" drive ratcheting wrench.

Replace the contents of the glove box and close it.

Re-Insert Lower Left Screw
Tighten 7mm Clockwise
Replace Lower Right Screw
Replace the two lower 7mm screws along the bottom edge of the glove box by turning them in the clockwise direction.
Line Up Side Trim Panel
Firmly Tap In Plastic Clips
Cabin Air Filter Replaced
Line up the outer edge trim panel and firmly tap on it to secure the plastic friction fasteners.

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

For more, check out my other 2010-2016 Buick LaCrosse DIY Repair & Maintenance Guides.

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