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Honda Civic Cabin Air Filter Replacement Guide
How to change the A/C system's cabin air filter in a 7th generation 2001, 2002, 2003, 2004 & 2005 Honda Civic.

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2004 Civic Glove Box
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Open Glove Box - Empty
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Pry Out Side Stopper
This automotive maintenance tutorial was specifically written to assist owners of the seventh generation (2001, 2002, 2003, 2004 and 2005) Honda Civic in cleaning or changing the A/C system's cabin air filter element located in the HVAC blower motor housing.

Owners of other Honda or Acura vehicles such as the Accord, CR-V, Fit, Odyssey, Ridgeline, Pilot, Passport, Clarity, CDX, ILX, MDX, RDX, RLX, TL and TLX might also find these DIY instructions to be helpful.

A few compatible replacement cabin air filters with their part numbers are as follows: Fram CF10135, EPAuto CP135, Bosch P3711WS, Purolator PBC15439, TYC 800001P2 and Wix 24817.

The tools needed to complete this procedure include a small flat head screwdriver or a plastic pry bar tool.

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

There are two plastic and rubber side stoppers that secure the glove box in place.

Lift the glove box up about 1/2 inch to release the pressure on the two side stops.

Use the flat head screwdriver or the plastic trim panel removal tool to lift up the plastic rear edge of the side stop on the left wall of the glove box.

Try to avoid using excessive force. The side stopper should pop out relatively easily.



 

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Plastic & Rubber Stop
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Remove Right Side Stop
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Right Side Stopper Out
Once the rear edge of the side stop has been released, pull the round rubber piece out of the hole in the glove box.

Repeat the process to remove the other side stop on the right wall of the glove box.

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

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Set Aside Two Stops
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Lower Glove Box
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HVAC Blower Motor
Gently lower the glove box down to the floor mat.

Don't worry if the plastic hinges at the bottom of the glove box come apart. They can easily be re-attached later on.

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.

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Push In Release Tab
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Swing Open Filter Cover
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Filter Cover Removed
Push in the tab on the left side of the filter access cover to release the retaining clip.

Swing open the left side of the filter cover.

Pull out the plastic tab on the right side of the cover from its slot on the HVAC blower motor housing.

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Slide Out Filter Tray
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"Air Flow" Arrow Down
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Remove Filter From Tray
There are two filters and plastic trays inside the slot with only one of the trays being visible at first.

Slide the first air filter tray out of the slow in the HVAC blower motor housing.

You can see the edge of the second filter tray inside the slot.

Slide the 2nd filter tray out towards the left until it can be removed from the slot.

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Underside of Tray
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Clean Out Filter Slot
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Slide In Filter Tray
Lift the old filter elements out of the two plastic trays.

If the old filters are dark grey or black and clogged with dirt, dust, soot, pollen, leaves, insects, sand, twigs and other debris, they should be replaced with new elements.

I recommend buying the TYC 800001P2 set of two filters since they have excellent reviews from other Civic owners.

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

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

Lower the new filters into the plastic trays.

Make sure the filters are fully seated at every edge in the trays.

Slide the right side tray back into the slot and slide it back over into the right side of the filter slot.

Don't worry about mixing up the two plastic trays. They have plastic pull tabs on the outer edge that prevents them from being re-installed in the wrong order.

The open side of the filter tray should be facing up and the "V" shaped black plastic bars should be on the bottom of the filter tray.

Slide the left side filter tray back into the slot next to the right side filter tray.

The two pull tabs should be next to each other at the center of the HVAC blower motor housing assembly.

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New Filter Installed
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Insert Tab On Right Side
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Insert Tab Into Slot
Orientate the rectangular shaped filter cover with the large plastic tab on the right side.

Insert the tab on the right side into the corresponding slot on the right side of the filter access opening.

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Left Side Retaining Clip
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Raise Glove Box
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Side Stop In Hole
Swing the left side of the filter cover closed towards the HVAC blower motor housing.

Push on the left side of the cover to secure the retaining clip.

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

Raise the glove box until the openings on the sides are clear of the dashboard.

Re-insert the round rubber part of the side stops into the openings.

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Snap Side Stop In Place
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Both Stops Secured
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Close Glove Box - Done!
Swing down the flat plastic rear edge of the side stops to secure them into place.

Double check that the two side stoppers are securely attached.

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

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

Be sure to write down the mileage and date when you changed the filters in your car's service records.

The service interval specification in the owner's manual for changing the cabin air filter is every 30,000 miles or at least every two or three years.

Please check out all of the Honda Civic DIY Repair & Maintenance Guides.
 

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