Cabin Air Filters Replacement Guide
How to clean or change the two HVAC cabin air filter elements in a second generation 2010-2013 Mazda Mazda3.
Glove Box & Kick Panel
Pull Off Forward Kick Panel
Kick Panel Removed
automotive "how-to" guide was specifically written to assist owners
of the second generation (2010, 2011, 2012 & 2013) Mazda 3 in
cleaning or changing the A/C system's two cabin air filter elements
in the blower motor housing.
Owners of other Mazda vehicles such as the Mazda2, Mazda5, Mazda6, MX-5 Miata, Mazdaspeed3, CX-5, CX-7, CX-9, MPV, Tribute, RX-8, Axela, Demio, Verisa, Premacy, and Atenza may also find these DIY instructions to be helpful.
A few compatible sets of new air filter elements with their part numbers are as follows: Beck Arnley 042-2180, Wix 24046, Mazda BBM4-61-J6X, Cleenaire CAF4616, Hastings AFC1521, ACDelco CF3271, Purolator C16098, ATP CF-223, and Mahle LA 501/S.
The only tool required to access the filters is a Phillips head screwdriver.
A wet/dry shop vacuum can also be useful for cleaning the existing filters.
Plastic Foot Well Cover
Press Release Tab
|The first two steps
are to move to the front passenger seat and pull off the forward kick panel
just to the left the glove box.
Then remove the black plastic foot well cover below the glove box by pressing the two release tabs on the front edge.
Press 2nd Release Tab
Foot Well Cover Removed
Cabin Air Filter Cover
|Pull the rear edge
of the foot well cover off the exposed bolt end that it rests on.
Locate the rectangular shaped filter access cover at the front left corner of the foot well with a white electrical connector plugged in to the middle.
Remove Two Screws
Take Out First Screw
Remove 2nd Screw
Picture # 10 above this line to see the two Phillips head screws at
the bottom of the filter access panel that need to be removed.
One screw is at the very bottom left of the filter cover. The 2nd screw is just above and to the right of the first one.
Remove the two screws by turning them counter clockwise. Set them aside in a safe place.
Only Need To Remove 2 Screws
Lift Filter Access Panel Off
Filter Cover Removed
removed a third screw that did not hold the filter cover in place. So please
disregard the picture above with three screws.
Once the two screws at the bottom of the filter cover have been removed, you can lift it up and away from the blower motor housing.
Slide Out Lower Filter
1st Lower Filter Removed
Upper 2nd Cabin Filter
|Grasp the lower
cabin air filter with your thumb and forefinger before sliding it straight
Then reach in and pull the upper cabin air filter down to the bottom before pulling it straight out.
If you plan on cleaning and replacing the existing filters, make a note of which filter is the upper and lower unit.
Pull Out Upper 2nd Filter
Lower Filter - Upper Filter
Vacuum Old Filters
|If the old filters
look relatively clean, tap out the large debris and clean out any dust with
a wet/dry shop vacuum.
If the old filters are dark grey or black and clogged with dirt, dust, hair, twigs, leaves, insects and other debris, they should be replaced with brand new elements.
I recommend buying the Beck Arnley 042-2180 filters since they have excellent reviews on Amazon.
Metal Mesh Screen
Install New Upper Filter
New Top Filter Installed
|If you have a
vacuum cleaner hose that can reach in to the blower motor housing, clean out
any leaves or other debris that may be attached to the metal wire mesh
Insert the cleaned or new upper cabin air filter element back in to the housing and lift it up in to place. Be sure to pay attention to any "Air Flow" indicator arrows which should be pointed towards the rear of the vehicle.
Insert Bottom Filter
Two Cabin Filters Installed
Insert Filter Cover
|Insert the lower
air filter element in to the housing and push it securely in to place.
Line up the cabin air filters access panel and push it back in to place.
Push Securely In Place
Replace Two Screws
Replace 2nd Phillips Screw
|Insert and tighten the two Phillips head screws at the bottom of the access panel.
Line Up Kick Panel
Snap Panel In Place
Bolt In Foot Well Panel
|Line up the white
plastic friction fasteners on the rear of the kick panel and push it back in
Insert the exposed bolt end in to the hole in the rear edge of the foot well cover.
Line Up Fastener Clips
Push Two Clips In Place
Foot Well Panel Replaced
|Raise the foot well
cover up towards the glove box and push the two plastic fastener clips in to
For more, check out my other
2010-2013 Mazda Mazda3 Repair & Maintenance Guides.
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