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Toyota Corolla Cabin Air Filter Replacement Guide
Pictures illustrated step by step "how to" instructions for replacing an old cabin air filter in a 2005 Toyota Corolla S.

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This guide was specifically written to assist owners of the 2005 Toyota Corolla S sedan in swapping out an old A/C cabin air filter with a new one. Owners of any "Ninth Generation" Corolla (2003, 2004, 2005, 2006, 2007, 2008) may also find this guide to be useful. I am not a professional mechanic. I assume no liability for any injuries or damage. Please proceed with caution.
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2005 Toyota Corolla S

 
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Corolla Glove Box Opened

 
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Right Side Glove Box Latch

 

The "Scheduled Maintenance Guide" for this 2005 Toyota Corolla S sedan suggests that the air conditioner's cabin air filter should be cleaned every 15,000 miles and replaced every 30,000 miles.

We neglected to inspect, clean or replace it for over 65,000 miles.   To remedy the musty smelling air coming out of the A/C vents, I ordered a new cabin air filter online for $11.99.

The new cabin air filter is a TYC brand filter (part # 800006P) that replaces the OEM Toyota filter (part # 88568-02020).

To access the cabin air filter's housing, the glove box must be opened and removed.

The easiest way to detach the glove box is to first remove the screw that attaches the retaining arm to the right hand side of the glove box. (See picture # 12.)

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Left Side Glove Box Tab
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Glove Box & Retaining Arm
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Cabin Air Filter Housing
If you skip that first step, the entire retaining arm may become disconnected from the rest of the car and must be re-attached later. As you can see in the middle image in the row above, I pulled off the glove box with the retaining arm still attached. To do the job correctly for this guide, I removing the retaining arm screw, re-attached the arm to the car, re-installed the glove box and started over again.
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TYC Cabin Air Filter
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X00009BSTT
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TYC 800006P
Once you have the screw on the retaining arm (picture # 12) removed, you can press each side of the glove box inwards to pop out the latches. When both the right side and left side tabs are popped out of their tracks, the glove box will swing downwards. Then the glove box can be completely removed by gently pulling the entire unit towards the rear of the car. This will dislodge the semi-circle mounts on the bottom of the glove box that snap around the round pieces of plastic on the dash. See picture # 25 and picture # 26 to see what I'm referring to.
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New Cabin Air Filter
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TYC Instructions Paper
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Retaining Arm & Screw
With the glove box fully removed, you can now easily access the cabin air filter access door. The access door has a plastic tab or snap connector on each side. To remove it, press the tabs inwards towards each other and then gently pull it off. The cover should come off easily, so don't force it.
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Unscrewing Retaining Arm
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Glove Box Removed
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Cabin Air Filter Access Cover
After removing the cabin air filter access cover, gently pull out the filter so that you don't spill all the dust, debris or leaves in to the HVAC system's fan that lies right below the filter housing.


 
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Left Side Cover Tab
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Right Side Cover Tab
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Removing Access Cover
Just like home air conditioner filters, the cabin air filter should be inserted in a certain way to allow optimum air flow. The filter has arrows and the words "Air Flow" on it to help you orientate the filter in the correct position.
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Cabin Filter Cover Removed
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Old Dirty Cabin Air Filter
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Vacuuming Out Leaves & Dust
In the picture above, you can see the old cabin air filter covered in leaves and stained grey from smog. I used a small vacuum cleaner with a long nose attachment on it to suck out any leaves or debris that may have been left behind in the cabin air filter cavity.
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Filter - Air Flow (Down)
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New Filter Inserted
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Access Cover Re-Attached
I double checked the correct position for the proper air flow direction and then slid the new filter into the housing. The cabin air filter access cover snaps back into place.
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Glove Box Plastic Hinges
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Latches On Glove Box
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Push Latches On Hinges
To put the glove box back in place, line up the plastic hinges with the semi-circle latches on the glove box and push until they snap together. Then you can swing the glove box upwards, screw in the retaining arm, and pop the tabs on either side. If done correctly, the glove box should raise and lower in a controlled manner with smooth movements. With the new filter installed, I immediately noticed that the air conditioning system blew air out with slightly greater force, the car seemed to cool down more quickly and the air no longer had a stale smell.
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Snapping On Retaining Arm
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Fastening Retaining Arm Screw
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Glove Box Re-Installed

For more, please take a look at these related links: Toyota Corolla Engine Oil Change Guide, Toyota Corolla Timing Chain Tensioner Replacement Guide, Toyota Corolla Headlight Bulbs Replacement Guide, Toyota Corolla Front Brake Pads Replacement Guide, K&N Air Filter Cleaning Guide, Buffing Old Faded Headlights Guide, Headlight or Tail Light Condensation Solution Guide, WeatherTech FloorLiner Review.
 

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