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Old 03-06-2012, 10:08 PM   #1
FromEvoToRS37
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Member#: 91396
Join Date: Jul 2005
Chapter/Region: MAIC
Location: PA illy philly area
Vehicle:
2011 WRX Hatchback
Dark Gray Metallic

Question Cabin Air Filter on 2011 WRX

I used to change my cabin air filter in my 2007 WRX and now that I have a 2011, I purchased my replacement filter but before I attempted this I just thought I'd ask anyone who might have done this if there's any major differences in the job in the new cars or if its basically the same as with the older models.
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Old 03-07-2012, 12:19 AM   #2
furiouswrx
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Join Date: May 2011
Chapter/Region: BAIC
Location: Northern California
Vehicle:
2011 WRX Ltd Hatch
SWP

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Pretty sure that the process is detailed in your owner's manual. It's different from older Subarus in that you don't have to remove screws anymore.
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Old 03-07-2012, 07:19 AM   #3
424wrx
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Join Date: Feb 2008
Chapter/Region: Tri-State
Location: new york
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08 wrx sedan
stg3-vf52,12.6@108

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its behind your glove box. as far as changing it, my 08 wrx still has the original filter. i checked it over the past summer and it is still nice and clean. they dont really get that dirty.
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Old 03-08-2012, 01:42 PM   #4
flycaster
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2011 WRX
Grey

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Quote:
Originally Posted by 424wrx View Post
...they dont really get that dirty.
I'm lucky to get a year out of one, and ~ 6 months per engine air filter. They sand our roads with volcanic gravel: we live in a fricking dust cloud from November to late May.
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Old 03-09-2012, 09:18 PM   #5
424wrx
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stg3-vf52,12.6@108

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i hear yah about the dust. i live in the black dirt farmland area of new york. when its dry and windy the sun dissapears at times! lol. i just cant believe my filter is still soo clean. weird.
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Old 03-10-2012, 03:43 AM   #6
Daijoubo-yo
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2010 WRX 5dr
97 Lude Sh,99 Durango 5.2

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It's a cake job and a detailed description is in the owners manual like another poster said. I saw a dealer charging 100 bucks for a cabin air filter service....you got to be kidding!
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Old 03-10-2012, 06:03 PM   #7
CosmoTheCat
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Time costs money, so do chemicals and filters...

Would I ever pay someone that kind of money for the service? No, but not everyone wants to get their hands dirty.

And to the person who says they don't get dirty, tell that to the owner of this one:



Yes, those little things are all rat poop.

Or tell the old couple whose cabin filter I recommended replacing (which they declined) and then three days later I replaced it after they both went to the doctor with upper respiratory infections...
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Old 03-10-2012, 06:42 PM   #8
Rally Monkey
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^ For those that have never checked their cabin air filter or don't know if they have one installed, now is the time to check it.
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Old 03-10-2012, 08:00 PM   #9
Daijoubo-yo
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97 Lude Sh,99 Durango 5.2

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Nice picture Cosmo. What exactly are the chemicals the dealer use? Is it just for cleansing purposes of the HVAC system in the car?
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Old 03-11-2012, 06:51 PM   #10
CosmoTheCat
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I don't know the chemical composition, but I know there's a fair bit of ammonia in it.

There's a foam that gets injected into the A/C drain hose that fills the evaporator case up, theoretically killing mold and helping to drain out dust and other odor causing particles, and then there's an aerosol spray that goes in the cowl fresh air intake to freshen that up, and it also gets sprayed into the fan through the filter opening and blown out through the various vents.
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Old 03-12-2012, 09:18 PM   #11
Daijoubo-yo
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97 Lude Sh,99 Durango 5.2

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Thanks Cosmo, I can see why it's a hundred bucks now!
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