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Mitsubishi Outlander Cabin Air Filter Replacement Guide
How to change the A/C system's cabin air filter in a 3rd generation 2014 to 2021 Mitsubishi Outlander.

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2020 Outlander Glove Box
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Open Glove Box - Empty
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Left Side - Damper Arm
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2014, 2015, 2016, 2017, 2018, 2019, 2020 & 2021) Mitsubishi Outlander SUV in cleaning or changing the A/C system's cabin air filter element located in the HVAC blower motor housing.

Owners of other Mitsubishi vehicles such as the Outlander Sport, Eclipse Cross, Mirage, Mirage G4, Lancer, ASX, Montero Sport, Pajero, Xpander, Strada and RVR may also find these DIY instructions to be helpful.

The OEM (original equipment manufacturer) cabin air filter part number is Mitsubishi 7803A109 (made by Mann Filter).

A few compatible replacement aftermarket cabin air filters with their part numbers are as follows: Spearhead BE-140, EPAuto CP140, Fram CF10140, EcoGard XC35530 and Premium Guard PC5530X.

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

The first few steps are to sit in the front passenger seat, open the glove box and empty out the contents.

Move to the left outer side wall of the glove box and locate the damper arm.



 

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Pull Arm Off Mount
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Push In Side Walls
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Release Side Stops
Gently pull the glove box damper arm straight off the mounting peg.

Firmly push in the two side walls of the glove box until the plastic side stops can be released from behind the dashboard.

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Lower Glove Box
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Disconnect Plastic Hinges
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Filter Access Cover
Carefully lower the glove box down towards the floor mat.

The plastic hinges will most likely come apart. They can easily be reattached later on.

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

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Release Retaining Clip
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Two Clips Released
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Filter Cover Removed
The filter access panel is held in place by two retaining clips with one on the left side and the other on the right side.

Gently pull out the rear edge of one of the retaining clips to release it from the filter housing.

Swing open the filter cover and carefully release the retaining clip on the opposite side.

Try to avoid using excessive force to prevent from breaking the plastic retaining clips.

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Old Filter Exposed
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Pry Out Stuck Old Filter
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Slide Out Old Filter
Set the cover aside in a safe place.

Slide the old filter straight out of the slot.

If you have trouble removing the old filter, use a flat head screwdriver or a plastic trim panel removal tool to gently pry it out of the slot.

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Old Filter Removed
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Inspect Both Sides
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Clean With Vacuum
Inspect both sides of the old filter.

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

I recommend buying the Spearhead BE-140 cabin air filter since it has excellent reviews from other Outlander owners.

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

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OEM Filter Part Number
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Check Slot For Debris
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Slide In New Air Filter
Check the filter slot for any large debris such as leaves, dragonflies or twigs.

It would also be a good idea to look for any signs of rodent infestation such as a rat or mouse nest.

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

Slide the new air filter straight into the slot.

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Line Up Filter Cover
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Push To Secure Clips
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Filter Cover Secured
Line up the filter cover and gently push it over the opening in the HVAC blower motor housing.

You should feel or hear the two retaining clips "click" securely into place.

Double check that the filter cover is secure before moving on to the next steps.

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Reattach Plastic Hinges
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Push In Side Walls
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Replace Side Stoppers
Raise the glove box towards the bottom of the dashboard.

Reattach the two plastic hinges over their mounting bars.

Swing up the glove box towards the dashboard.

Firmly push in the two side walls of the glove box until the plastic side stops can be reinserted.

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Pop On Damper Arm
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Close Glove Box
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Filter Change Complete
Gently push the damper arm back over its mounting peg.

Replace the contents of the glove box and close it to complete the procedure.

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

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

According to the service schedule in the "Warranty and Maintenance Manual", the cabin air filter element should be changed every 15,000 miles (24,000 km) or every 12 months.

Please check out all of the 2014-2021 Mitsubishi Outlander DIY Repair & Maintenance Guides.
 

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