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Hyundai Sonata Cabin Air Filter Replacement Guide
How to clean or change the A/C system's cabin air filter in a fifth generation 2005 to 2010 Hyundai Sonata.

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2007 Sonata Glove Box
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Open Glove Box - Empty
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Release Damper Arm
This automotive maintenance tutorial was specifically written to assist owners of the 5th generation 2005, 2006, 2007, 2008, 2009 and 2010 Hyundai Sonata in cleaning or changing the A/C system's cabin air filter element located in the HVAC blower motor housing.

Owner's of Hyundai and Kia vehicles such as the Accent, Elantra, Veloster, Santa Fe, Tucson, Tiburon, Veracruz, Optima, Forte, Rio, Soul, Sorento, Sportage, Sephia and Spectra may also find these DIY instructions to be helpful.

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

Move to the right outer side wall of the glove box and locate the plastic damper arm attached to the mounting peg.

Some people prefer to pop off the trim cover on the outside of the dashboard adjacent to the front passenger door.

Then reach in and pull the damper arm off the mounting peg on the outer right side wall of the glove box.

I prefer to just reach in on the right side of the glove box and simply pull the ring at the bottom of the damper arm off the two prongs on the mounting peg.

If you have a pop rivet removal tool, that makes it even easier to pop the damper arm off the peg.

Once the damper arm has been released, locate the two plastic side stops with one on the left and the other on the right side of the glove box.



 

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Pull Out Left Side Stop
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Left Stopper Removed
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Remove Right Side Stop
Raise the glove box about an inch to release the tension on the two side stops.

Lift up the tab on the rear edge of the side stop (closest to you) and pull it out of the side wall of the glove box.

You may need to use a flat head screwdriver to pry up the rear edge of the side stop.

Repeat the process to remove the other side stop.

Set the two plastic and rubber side stoppers aside in a safe place.

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Lower Glove Box
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Filter Access Cover
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Pinch Together Left Tabs
Gently lower the glove box down to the floor mat.

Locate the rectangular shaped black plastic filter access cover on the HVAC blower motor housing.

There are four tabs on the filter access cover with two on the left side and another two on the right side.

Gently pinch together the two tabs on each side to release the retaining clips.

(One of the tabs on the right side of the cover in this 2007 Sonata was broken off.)

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Release Left Clips
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Release Right Side Clips
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Slide Out Filter & Tray
Once the retaining clips have been released, slide the filter tray straight out of the slot in the HVAC blower motor housing.

If you haven't cleaned or changed the filter in a few years, you'll probably see a bunch of leaves and other debris.

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Clean Out Filter Slot
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New Filter Into Tray
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"Air Flow" Arrow Down
If you have a wet/dry shop vacuum with a crevice attachment, clean out any large debris from the filter slot such as twigs, leaves or insects.

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

(Some filters instead have an "UP" arrow, that of course should be pointed up towards the windshield.)

Lower the new filter into the plastic tray.

Make sure the filter is fully seated in the tray and flush at every edge.

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New Filter Installed
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Slide In Filter Tray
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Push - Secure Two Clips
Slide the filter tray back into the slot in the HVAC blower motor housing.

Push on the tray to secure the two retaining clips.

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

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Raise Glove Box
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Install Side Stops
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Re-Attach Damper Arm
Raise the glove box up towards the dashboard.

Pull down the damper arm on the right side of the glove box and pop the ring at the bottom over the two prongs on the mounting peg.

Make sure the openings in the side walls of the glove box are clear of the dashboard.

Re-insert the two plastic and rubber side stops into the openings in the side walls.

Snap the flat tab of the side stops down against the side walls to secure them into place.

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

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

The service interval specification in the owner's manual for changing the passenger compartment air filter is every 15,000 miles (24,000 km) or 12 months.

Check out all of the Hyundai Sonata DIY Repair & Maintenance Guides.
 

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