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True Story about Cabin Air Filter #4455439
07/10/17 03:20 PM
07/10/17 03:20 PM
Joined: May 2005
Posts: 3,514
Alberta, Canada
Smokescreen Offline OP
Smokescreen  Offline OP
Joined: May 2005
Posts: 3,514
Alberta, Canada
I was riding with a friend of mine with a 2009 Ponitiac G5 on a particularly hot day of more than 95F, well too hot for me. As he fired up the car he cranked the A/C and a little bit of cool-ish air petered out. I asked him if his fan was working correctly and he said on a previous trip he had the system pressure tested and the fan is working on all speeds and then charged him a fee (..of course) as he and his kids were quite uncomfortable during the trip.(115F)

I asked him when was the last time he changed his cabin air filter and he replied he had no idea what that was. As I explained its purpose, I opened his glove box and confirmed he had one. We pulled into a car parts store and I proceeded to remove his cabin air filter for inspection. It was the.most.nasty filter I had ever seen. It was stiff and the pleats were spread wide open, with each one more than 3/4 full of silt, with leaves and bug on top so that all the top of the filter was covered. It was a factory original completely choking off the airflow.

I said to him, I believe I have found your problem and we proceeded to purchase a new filter. Upon beholding a new filter next to the old he could not believe it. I mentioned that with increased airflow not only would his A/C work to its potential, but in the winter he would get more heat velocity. He promptly offered to buy me blizzard and sang my praises all the way back to the road trip origin.

Moral of the story, when you acquire a used vehicle, check the cabin air filter along with all the other items in the once over.


13 Civic Si 2.4L- 69Kkms(43Kmi)-PP,Wix
05 LeSabre 3.8L-210Kkms(134Kmi)-PP,Wix
03 Sierra 2500 6.0L-204Kkms(127Kmi)-PP,Wix

All with mpg > EPA
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455447
07/10/17 03:27 PM
07/10/17 03:27 PM
Joined: Sep 2015
Posts: 3,938
Connecticut
69GTX Offline
69GTX  Offline
Joined: Sep 2015
Posts: 3,938
Connecticut
Changed my first ever cabin air filter in 2015 thanks to Bitog (13 yr old car)....after nearly 40 yrs of driving. Who knew?

My 18 year old car doesn't have one....not that it matters much seeing is it's parked inside 99.5% of the time.


----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455449
07/10/17 03:27 PM
07/10/17 03:27 PM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline
Joined: Jul 2015
Posts: 3,772
MD
Good for you helping him!!!
I did the same on my mothers Mitsubishi Outlander at 32k miles and
I was surprised it looked super clean.. Replaced it anyway..

Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455469
07/10/17 03:59 PM
07/10/17 03:59 PM
Joined: Mar 2008
Posts: 7,318
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 7,318
USA
my car doesn't have one cylon

Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455470
07/10/17 03:59 PM
07/10/17 03:59 PM
Joined: Jun 2002
Posts: 1,932
Texas
Bud Offline
Bud  Offline
Joined: Jun 2002
Posts: 1,932
Texas
Change mine yearly after spring pollen season.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455483
07/10/17 04:10 PM
07/10/17 04:10 PM
Joined: Oct 2014
Posts: 49
NC, USA
SpecM Offline
SpecM  Offline
Joined: Oct 2014
Posts: 49
NC, USA
He took the car to a shop and they didn't check it?

At my shop, we ALWAYS check HVAC filter during any inspection/test/diagnosis of the blower OR A/C. Its too easy to check, and it can make a big difference in HVAC performance (as you found out!)

Plus, its an easy sell. Most cars: .2h labor and $15-25 for the filter. (that's what I charge anyway)

Last edited by SpecM; 07/10/17 04:11 PM.
Re: True Story about Cabin Air Filter [Re: Bud] #4455484
07/10/17 04:12 PM
07/10/17 04:12 PM
Joined: Jun 2006
Posts: 5,072
Great White North.. eh
webfors Offline
webfors  Offline
Joined: Jun 2006
Posts: 5,072
Great White North.. eh
Originally Posted By: Bud
Change mine yearly after spring pollen season.


Bingo. The OEM maintenance schedule is too long IMO. I pulled ours out of the Honda after 2 years and it was nasty. What a difference in air quality.


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455505
07/10/17 04:29 PM
07/10/17 04:29 PM
Joined: Sep 2014
Posts: 1,152
Missouri
chiefsfan1 Offline
chiefsfan1  Offline
Joined: Sep 2014
Posts: 1,152
Missouri
Change mine every year. The get really nasty.


MacBean Clan Motto: Touch Not A Catt Bot A Targe. (Don't touch this cat without a shield).


2011 Toyota Camry XLE 2.5 I4
2014 Escape SE 1.6 EcoBoost AWD
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455536
07/10/17 05:14 PM
07/10/17 05:14 PM
Joined: Mar 2012
Posts: 1,366
San Antonio, TX
E150GT Offline
E150GT  Offline
Joined: Mar 2012
Posts: 1,366
San Antonio, TX
I can't image what it looked like. If mine looked like this at 20k miles, his must have been awful.
20170614_132655 by JOHN, on Flickr


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455566
07/10/17 05:50 PM
07/10/17 05:50 PM
Joined: Dec 2016
Posts: 7,126
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,126
Waco, TX
I wonder why the 2000's era F150's never got one?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: True Story about Cabin Air Filter [Re: Linctex] #4455645
07/10/17 07:15 PM
07/10/17 07:15 PM
Joined: Aug 2013
Posts: 2,655
Central Maryland
HangFire Offline
HangFire  Offline
Joined: Aug 2013
Posts: 2,655
Central Maryland
Originally Posted By: Linctex
I wonder why the 2000's era F150's never got one?


I wonder why my '99 Taurus never got one, until I "changed" the filter... and found it was missing from the factory.

That car had so many issues, must have been a Monday morning or Friday afternoon car.


Various musings: http://hangfire.net
Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455657
07/10/17 07:26 PM
07/10/17 07:26 PM
Joined: May 2016
Posts: 718
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 718
Canada


Ditto on the cabin filter for sure! Everyone's driving conditions are different, mine has not loaded
up but cleaned it and used it again no prob!

I'd like to see a "cold air return" filter to keep inside car dirt and dust
off the A/C evaporator that can easily stick, get wet and lead to smells and mould!

I took a large new scotchbrite pad, cut to shape and fitted it over re-cir intake under the dash
and at the end of the year, it has stuff on it!

Re: True Story about Cabin Air Filter [Re: Smokescreen] #4455753
07/10/17 09:04 PM
07/10/17 09:04 PM
Joined: Dec 2011
Posts: 440
Connecticut 06033
oilmutt Offline
oilmutt  Offline
Joined: Dec 2011
Posts: 440
Connecticut 06033
The 2005 Malibu does not come with cabin air filter,through trial and err i found the 2005 Saturn Ion, Chevy Cobalt and Pontiac G6 fit just fine.To this day when the wife takes the Malibu to the dealer they refuse to install a cabin air filter because GM says they don't make one for her car.


'05 Chevy Malibu 6cyl,119k, Syn. Oil (owned)
'16 Toyota Camry,4cyl 25k Syn oil (leased)
'92 Ford Tempo ,4cly 26k Conv oil (managed)
Re: True Story about Cabin Air Filter [Re: oilmutt] #4479792
08/05/17 09:57 AM
08/05/17 09:57 AM
Joined: Aug 2010
Posts: 5,933
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,933
Champlain/Hudson Valley
Lots to say....old timers won't change their ways.

A thoughtful, macro intelligent, successful man with a 2002 Saab 9-3 for sale used a posh repair shop in his posh neighborhood.

We bought the car and found the original CAF (126K) easily reachable under the plastic cowl.

MAYBE the errant instruction of "remove the wiper arms" scared the mechanics into silence....or they just didn't think that way.

Re: True Story about Cabin Air Filter [Re: Smokescreen] #4480150
08/05/17 06:09 PM
08/05/17 06:09 PM
Joined: Nov 2010
Posts: 2,833
California
Errtt Offline
Errtt  Offline
Joined: Nov 2010
Posts: 2,833
California
Had a neighbor who had taken her SUV in to get the AC serviced because of practically almost no air flow couldn't cool her at all. She got charged by the tech doing a system check only to tell her her system was fine. Drove off and no better. Later took into a shop and they replaced a nasty CAF. All better now except the $$ put out for all this.
Right after the CAF replacement, next day she came over telling me about it - she didn't know about any CAF and wanted to know if there was such a thing. Live & learn
add - sure wished she would have spoke up 1st

Last edited by Errtt; 08/05/17 06:11 PM. Reason: add
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