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Can I just skip the filter? #4724120
04/11/18 09:30 PM
04/11/18 09:30 PM
Joined: Jan 2018
Posts: 13
ohio
gogogo Offline OP
gogogo  Offline OP
Joined: Jan 2018
Posts: 13
ohio
I have an 2005 Audi A8 with a [censored] of a oil filter that requires removing air filter box on which now have screws that have rusted and doing oil change turns into an ordeal.

Yeah Iíll drill the screws out eventually and do everything properly when weather gets warm and nice but how bad is it just skipping oil filter for a change.

The recommended oil change on these is 10k miles so idk if skipping the filter is the move who knows when last one was changed, specially considering the air filter box screws are rusted.

Re: Can I just skip the filter? [Re: gogogo] #4724129
04/11/18 09:35 PM
04/11/18 09:35 PM
Joined: Jan 2010
Posts: 450
Los Gatos, CA
JeffKeryk Offline
JeffKeryk  Offline
Joined: Jan 2010
Posts: 450
Los Gatos, CA
Get busy on them rusted screws...

Re: Can I just skip the filter? [Re: gogogo] #4724149
04/11/18 09:47 PM
04/11/18 09:47 PM
Joined: Jan 2018
Posts: 534
San Antonio, TX
das_peikko Offline
das_peikko  Offline
Joined: Jan 2018
Posts: 534
San Antonio, TX
Don't skip the filter unless it's a well built Wix XP.

Re: Can I just skip the filter? [Re: gogogo] #4724153
04/11/18 09:50 PM
04/11/18 09:50 PM
Joined: Apr 2016
Posts: 845
KS
FordBroncoVWJeta Online content
FordBroncoVWJeta  Online Content
Joined: Apr 2016
Posts: 845
KS
cant you get the filter from the bottom of the car?


17 Volkswagen Jetta 1.4T
15 Honda CRV 2.4
12 Volkswagen Jetta 2.0
01 Pontiac Sunfire 2.2
Re: Can I just skip the filter? [Re: gogogo] #4724159
04/11/18 09:56 PM
04/11/18 09:56 PM
Joined: May 2010
Posts: 9,057
North Carolina
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,057
North Carolina
I guess changing the oil would still be a good idea, in case the filter is in bypass. But If you don't know when the filter was last changed, i'd get on that now!


13 elantra 70k 5w30 QSUD
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Re: Can I just skip the filter? [Re: gogogo] #4724160
04/11/18 09:56 PM
04/11/18 09:56 PM
Joined: Mar 2017
Posts: 5,462
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,462
Soviet State of Washington
Get some penetrating oil on those screws and let it work for a few days. That may help get them out.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Can I just skip the filter? [Re: gogogo] #4724190
04/11/18 10:49 PM
04/11/18 10:49 PM
Joined: Dec 2016
Posts: 6,247
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,247
Waco, TX
Pretty tough to answer unless you knew what kind of oil filter is in it, and when it was changed.

Waaaay back in the 90's when Motorcraft were still considered "top tier" oil filters,
I ran one (M.C. FL-1A) on an older 400M V8 for 30,000 miles, changing only the oil.

When I cut it apart, it looked great! Some little bits of carbon between the pleats,
but all in all - - it made it through that interval just fine.

Clean oil will still flow through any filter media easier than sludgy oil will.


"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: Can I just skip the filter? [Re: Linctex] #4724209
04/11/18 11:03 PM
04/11/18 11:03 PM
Joined: Mar 2015
Posts: 5,031
Virginia
bbhero Online content
bbhero  Online Content
Joined: Mar 2015
Posts: 5,031
Virginia
^^^^^^^^

Interesting and great post Linctex.


Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: Can I just skip the filter? [Re: FordBroncoVWJeta] #4724217
04/11/18 11:12 PM
04/11/18 11:12 PM
Joined: Dec 2011
Posts: 149
WA state, USA
NothingNew Offline
NothingNew  Offline
Joined: Dec 2011
Posts: 149
WA state, USA
Originally Posted By: FordBroncoVWJeta
cant you get the filter from the bottom of the car?


Doesn't look like it. Here, with the air box removed. FF to 7:35 https://www.youtube.com/watch?v=hVcEPQoJFaw

Re: Can I just skip the filter? [Re: gogogo] #4724224
04/11/18 11:20 PM
04/11/18 11:20 PM
Joined: Oct 2014
Posts: 2,410
San Antonio, TX
Nyogtha Offline
Nyogtha  Offline
Joined: Oct 2014
Posts: 2,410
San Antonio, TX
With unknown last filter quality much less interval I personally wouldn't skip it.

Consider a Mann 30 K km (16 K mile) rated oil filter going back in to give you plenty of time to not have to mess with again for a while.

RA LINK

Last edited by Nyogtha; 04/11/18 11:22 PM.

"No matter how paranoid you are you're not paranoid enough. Tell the truth. Reach as many people as you can with it. That's your weapon." - Susanne Modeski, aka "Holly" to The Lone Gunmen
Re: Can I just skip the filter? [Re: Linctex] #4724241
04/12/18 12:18 AM
04/12/18 12:18 AM
Joined: Mar 2016
Posts: 1,422
Western S.C. since 1996
CR94 Online content
CR94  Online Content
Joined: Mar 2016
Posts: 1,422
Western S.C. since 1996
Originally Posted By: Linctex
... Waaaay back in the 90's when Motorcraft were still considered "top tier" oil filters, I ran one (M.C. FL-1A) on an older 400M V8 for 30,000 miles, changing only the oil.

When I cut it apart, it looked great! Some little bits of carbon between the pleats,
but all in all - - it made it through that interval just fine. ...
That was before we were forced to use itty-bitty filters, though.


2011 Toyota Prius now at 92K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Can I just skip the filter? [Re: gogogo] #4724244
04/12/18 12:21 AM
04/12/18 12:21 AM
Joined: Jan 2011
Posts: 561
Anaheim, CA
zorobabel Offline
zorobabel  Offline
Joined: Jan 2011
Posts: 561
Anaheim, CA
I watched the video, what a PITA. And you're getting dust in the intake with every filter change. A crime against humanity.


1997 Maxima 181k, Edge 10w30, K&N HP-1003
2004 Corolla 191k, VWB 5w20 + SSS 10w40, MGL4967
Re: Can I just skip the filter? [Re: gogogo] #4724270
04/12/18 01:55 AM
04/12/18 01:55 AM
Joined: Jan 2018
Posts: 13
ohio
gogogo Offline OP
gogogo  Offline OP
Joined: Jan 2018
Posts: 13
ohio
I'll attempt to remove the whole air box instead of opening it up as it seems like it's tied down by only 2 bolts.

what do you guys think if I just popped into walmart acting stupid and trying to get their air filter service done... would they go through the trouble opening it up?

why did audi use regular cheap easy to rust philips screws for the airbox I hate Germany. This could've been so much easier.

Last edited by gogogo; 04/12/18 01:56 AM.
Re: Can I just skip the filter? [Re: gogogo] #4724274
04/12/18 02:38 AM
04/12/18 02:38 AM
Joined: Oct 2014
Posts: 2,410
San Antonio, TX
Nyogtha Offline
Nyogtha  Offline
Joined: Oct 2014
Posts: 2,410
San Antonio, TX
Well that's a thought but if it's a PITA how much do you trust anyone else to actually do the job, much less properly?

For that matter, what gives you any confidence in the previous air filter FCI and state of the current air filter?

I realize now I fat-fingered the model year on my prior RA link. Here's the correct one.

2005 A8 RA LINK

I have a friend with a 2005 A6 with the 4.2L V8. He uses Wix / NG cartridge oil filters for his engine to 10K miles with M1 0W-40 Euro with good results. The Mann is the only really extended life oil filter I know of for this engine (no Mobil 1 cartridge, Fram only offers an Extra Guard cartridge)

Last edited by Nyogtha; 04/12/18 02:50 AM.

"No matter how paranoid you are you're not paranoid enough. Tell the truth. Reach as many people as you can with it. That's your weapon." - Susanne Modeski, aka "Holly" to The Lone Gunmen
Re: Can I just skip the filter? [Re: gogogo] #4724277
04/12/18 03:14 AM
04/12/18 03:14 AM
Joined: Dec 2011
Posts: 4,754
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 4,754
North Carolina
If you know when the filter was installed, you can safely leave it in up to 30,000kms, which is the max for the European variable service monitor on that car.

I ran into the same issue on my Phaeton. I bought a used airbox (with perfect fasteners!) on eBay for under $100. They are captive fasteners and I didn't replace them with regular screws for fear of losing one every time I did an oil change.

Don't blame the hardware, blame careless techs and the fact that you can't get a straight shot at the screws without a 20" screwdriver.

To all the people poo-pooing the design: I'll admit, it's not ideal, but necessary if you want the clean lines of a car like the A8 and functional Quattro AND the 4.2l DOHC V8.


"Zed's dead baby, Zed's dead."
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