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Do you change air filter by looks or miles? #4571582
11/12/17 10:07 AM
11/12/17 10:07 AM
Joined: Mar 2008
Posts: 6,510
Michigan
ZZman Offline OP
ZZman  Offline OP

Joined: Mar 2008
Posts: 6,510
Michigan
I usually go by looks.


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram TG
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571590
11/12/17 10:16 AM
11/12/17 10:16 AM
Joined: Sep 2004
Posts: 22,596
Central Florida
Mr Nice Offline
Mr Nice  Offline

Joined: Sep 2004
Posts: 22,596
Central Florida
By looks, usually 50K miles.

Re: Do you change air filter by looks or miles? [Re: ZZman] #4571592
11/12/17 10:23 AM
11/12/17 10:23 AM
Joined: Jun 2003
Posts: 18,874
Deplorable in apple valley, ca
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 18,874
Deplorable in apple valley, ca
Looks untill I got filter minders


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571606
11/12/17 10:33 AM
11/12/17 10:33 AM
Joined: Apr 2016
Posts: 1,206
Campbellsville, KY
Alex_V Offline
Alex_V  Offline

Joined: Apr 2016
Posts: 1,206
Campbellsville, KY
Looks on everything but my Cruze which is the only car that sees more than 10K a year - in that case, by the maint. schedule, aka miles.


'85 GMC C3500, 454, 132K
'82 Mercedes 300CD, OM617 turbo, 173K (totaled 2018, in rehab)
'85 Mercedes 300TD, OM617 turbo, 217K (wife's)
'67 Suburban, 350, 331K
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571610
11/12/17 10:38 AM
11/12/17 10:38 AM
Joined: Nov 2013
Posts: 1,185
UT
BHopkins Offline
BHopkins  Offline

Joined: Nov 2013
Posts: 1,185
UT
Miles.

To change by looks, you have to open up the airbox, and on many cars also remove the air filter. Every time you do that, you take the risk of nasty stuff getting past the filter.

If the filter is a little dirtier than normal, the risk is if it gets severe enough i'll have a loss of power. No risk to engine damage, as a dirty filter traps even smaller stuff. If I take it out at the designated mileage and it isn't quite as dirty, it's OK. I've already opened the box, so put a new one in. Stay on schedule so I know when to do it again.

It is my belief that my engine is much better off if I leave the filter alone as much as possible. A filter minder would be the best option, but I've never used one. I see the value in a filter minder on a big rig where filters can be very expensive. But when I can buy an air filter during NAPA farm days for about $8, it's easy to change them on a regular schedule.


2013 Subaru Outback 2.5i - Idemitsu 0W-20 & Mobil 1 filter
2007 Mercedes SL550 - M1M 5W-40 & MB OEM filter
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571617
11/12/17 10:44 AM
11/12/17 10:44 AM
Joined: Jun 2002
Posts: 2,225
Texas
Bud Offline
Bud  Offline

Joined: Jun 2002
Posts: 2,225
Texas
I go by miles.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: Do you change air filter by looks or miles? [Re: Bud] #4571630
11/12/17 10:56 AM
11/12/17 10:56 AM
Joined: Feb 2013
Posts: 440
Nevada, USA
gaijinnv Offline
gaijinnv  Offline

Joined: Feb 2013
Posts: 440
Nevada, USA
When the air filter restriction gauge goes into the red:



Easy peasy thumbsup


USN NAVSECGRU 1970-1974
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571633
11/12/17 10:59 AM
11/12/17 10:59 AM
Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
StevieC Offline
StevieC  Offline

Joined: Aug 2008
Posts: 24,971
ON, Canada eh?
I used to go by look but just installed a filter minder this weekend. wink


'18 Caravan - 34k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: Do you change air filter by looks or miles? [Re: BHopkins] #4571639
11/12/17 11:10 AM
11/12/17 11:10 AM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline

Joined: Feb 2008
Posts: 4,727
Texas
Originally Posted By: BHopkins
Miles.

To change by looks, you have to open up the airbox, and on many cars also remove the air filter. Every time you do that, you take the risk of nasty stuff getting past the filter.

If the filter is a little dirtier than normal, the risk is if it gets severe enough i'll have a loss of power. No risk to engine damage, as a dirty filter traps even smaller stuff. If I take it out at the designated mileage and it isn't quite as dirty, it's OK. I've already opened the box, so put a new one in. Stay on schedule so I know when to do it again.

It is my belief that my engine is much better off if I leave the filter alone as much as possible. A filter minder would be the best option, but I've never used one. I see the value in a filter minder on a big rig where filters can be very expensive. But when I can buy an air filter during NAPA farm days for about $8, it's easy to change them on a regular schedule.
This.^^^^. Actually both . I know about how many miles I can go till the filter's outside pleats get dirty so I don't check and replace the filter till that mileage. 20,000 for me. Every time the filter is checked there is a possibility dirt can get into the intake.

Re: Do you change air filter by looks or miles? [Re: ZZman] #4571648
11/12/17 11:14 AM
11/12/17 11:14 AM
Joined: Jun 2015
Posts: 729
Canada
Run Offline
Run  Offline

Joined: Jun 2015
Posts: 729
Canada
I go by looks and time. Inspection yearly and change it if needed.


09 Hyundai Tucson 2.0 5spd
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571660
11/12/17 11:20 AM
11/12/17 11:20 AM
Joined: Apr 2004
Posts: 5,406
Texas
JustinH Offline
JustinH  Offline

Joined: Apr 2004
Posts: 5,406
Texas
I change mine right after my annual texas inspection.

That way I get it done once a year.

Put in my rockauto or amazon order, and do the engine air filter, cabin filter and wipers at the same time regardless if they need to be done or not.

$20 in annual maintenance is a no brainer for me.


'11 Hyundai Sonata GLS
'11 Scion XB
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571668
11/12/17 11:31 AM
11/12/17 11:31 AM
Joined: Dec 2016
Posts: 8,453
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,453
Waco, TX
2 years or 50,000 miles - whichever comes first (usually pretty close to each other)

On bigger & more expensive filters, I clean them following the manufacturers instructions.

Almost all filters can be cleaned, but auto & light truck filters don't come with instructions anymore.


"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: Do you change air filter by looks or miles? [Re: ZZman] #4571687
11/12/17 11:48 AM
11/12/17 11:48 AM
Joined: Dec 2011
Posts: 6,016
North Carolina
rooflessVW Offline
rooflessVW  Offline

Joined: Dec 2011
Posts: 6,016
North Carolina
Everything by miles.


"Zed's dead baby, Zed's dead."
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571699
11/12/17 11:58 AM
11/12/17 11:58 AM
Joined: Jan 2013
Posts: 2,713
Texas
WyrTwister Offline
WyrTwister  Offline

Joined: Jan 2013
Posts: 2,713
Texas
Looks . Or maybe , once a year .


Wyr
God bless
Re: Do you change air filter by looks or miles? [Re: ZZman] #4571749
11/12/17 12:50 PM
11/12/17 12:50 PM
Joined: Jan 2009
Posts: 508
Georgia
macarose Offline
macarose  Offline

Joined: Jan 2009
Posts: 508
Georgia
Miles. I used to follow factory specs like a religion. But I generally find that every 30k seems to be perfectly fine.

Optimally, this item should be a durable unit instead of a disposable one. That's a subject for another thread.

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