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#4510122 - 09/07/17 03:43 PM Could this AF have gone longer?
paulri Online   content


Registered: 08/14/15
Posts: 772
Loc: CA, USA
This air filter has been in for a very long time. Not sure--for whatever reason the last air filter change I recorded was at 80K for the Sienna. I do know it was not changed in the last 20-30K miles; I would have remembered that.

OK here are the top (first pic) and bottom (second pic) views of the filter.



The manual says to change it at 30K. Let's just say that this is 30K--could it have gone longer? I know that I have changed air filters that looked dirtier looking at the top side, than this top was. And when I did change them, it was at 15-20K, not 30K. So could this air filter gave gone longer?
_________________________
2005 Toyota Sienna LE; 148,000 miles
1998 Honda Civic DX; 197,000 miles

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#4510174 - 09/07/17 04:38 PM Re: Could this AF have gone longer? [Re: paulri]
dlundblad Offline


Registered: 09/30/13
Posts: 10205
Loc: Indiana
Looks dirty to me.

You did good by changing it.
_________________________
03 Jeep WJ 4.0 199k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980


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#4510192 - 09/07/17 04:56 PM Re: Could this AF have gone longer? [Re: paulri]
BHopkins Offline


Registered: 11/03/13
Posts: 1107
Loc: Utah
Looks like it could have went longer. But I would hesitate to increase the frequency. My experience with air filters has been that you can't judge how dirty the next filter change will be based upon a previous one.

I change my filters at 30k miles. One will come out pretty dirty, making me question the PM schedule in the Owner's Manual. But then the next filter, also ran 30k miles, looks like I could have left it in for another 15k.

From studies and discussions that I have read here, except for the most severely neglected filter, a dirty air filter does not put an engine at risk. If anything, a dirty filter will filter out smaller particles than a new filter. Also, every time you open the air filter box, you take the risk of silicon (aka sand and dirt) to get past the filter when it is removed. So changing more frequently may not be the best option. I just stick with what most OEM's recommend, which is typically 30k miles.
_________________________
2013 Subaru Outback 2.5i - Royal Purple 0W-20 & NAPA Gold filter
2003 Oldsmobile Alero 3.4 - M1 5W-30 & NAPA Gold filter

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#4510394 - 09/07/17 08:30 PM Re: Could this AF have gone longer? [Re: paulri]
danez_yoda Offline


Registered: 07/18/09
Posts: 501
Loc: texas
^^^^^ YUP.

Pass the shop vac over it and her back in.

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#4510396 - 09/07/17 08:35 PM Re: Could this AF have gone longer? [Re: danez_yoda]
SatinSilver Offline


Registered: 01/24/08
Posts: 10341
Loc: OH
Originally Posted By: danez_yoda
^^^^^ YUP.

Pass the shop vac over it and her back in.


I did that and the silicon reading went down 25%. And that was with a 10% longer oci so not bad(did back to back UOAS). Then I just changed the filter.

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#4510714 - 09/08/17 09:46 AM Re: Could this AF have gone longer? [Re: SatinSilver]
zorobabel Offline


Registered: 01/27/11
Posts: 507
Loc: Anaheim, CA
Originally Posted By: SatinSilver
Originally Posted By: danez_yoda
^^^^^ YUP.

Pass the shop vac over it and her back in.


I did that and the silicon reading went down 25%. And that was with a 10% longer oci so not bad(did back to back UOAS). Then I just changed the filter.

Did you ever do an UOA on the oil after the intake gasket change?
_________________________
1997 Maxima 180k, Delvac 15w40, Wix 51315
2004 Corolla 190k, VWB 5w20 + SSS 10w40, MGL4967

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#4510868 - 09/08/17 01:16 PM Re: Could this AF have gone longer? [Re: zorobabel]
SatinSilver Offline


Registered: 01/24/08
Posts: 10341
Loc: OH
Not yet but will soon. I've changed the oil since then but have 3k on the current fill. IMG hasn't been done yet just have to order the parts. The mechanic has been selected and price agreed on.

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#4511035 - 09/08/17 05:06 PM Re: Could this AF have gone longer? [Re: SatinSilver]
zorobabel Offline


Registered: 01/27/11
Posts: 507
Loc: Anaheim, CA
Originally Posted By: SatinSilver
Not yet but will soon. I've changed the oil since then but have 3k on the current fill. IMG hasn't been done yet just have to order the parts. The mechanic has been selected and price agreed on.

Looking forward to it.
This job wasn't hard, at least on the Corolla. I used this DIY except I did not disconnect the coolant lines to the TB, I just moved the TB to the side.
_________________________
1997 Maxima 180k, Delvac 15w40, Wix 51315
2004 Corolla 190k, VWB 5w20 + SSS 10w40, MGL4967

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#4515251 - 09/13/17 02:27 PM Re: Could this AF have gone longer? [Re: paulri]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5293
Loc: Fort Lauderdale, FL
Forget looking at it. Don't look at it. Ever. Install a filter minder and be done with the guessing.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4523623 - 09/22/17 09:56 PM Re: Could this AF have gone longer? [Re: dlundblad]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2906
Loc: Wet side WA
Originally Posted By: dlundblad
Looks dirty to me.

You did good by changing it.


Looks more than dirty! It is 20K past needing to be changed.



Edited by JohnnyJohnson (09/22/17 09:57 PM)
_________________________
2004 Corolla 122626
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: Castrol EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74202
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

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#4525322 - 09/24/17 10:55 PM Re: Could this AF have gone longer? [Re: DoubleWasp]
rrounds Offline


Registered: 07/05/07
Posts: 951
Loc: SACRAMENTO, CA
Originally Posted By: DoubleWasp
Forget looking at it. Don't look at it. Ever. Install a filter minder and be done with the guessing.

+1
Put one of these on and KNOW when to change the air filter
https://www.amazon.com/WIX-Filters-24801-Filter-Service/dp/B0014BI1KA

ROD
_________________________
'06 S2000
'00 SSEi sold at 252k miles
'08 Ford F53 V10
'13 Jeep Sahara 2 door

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