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#4724120 - 04/11/18 09:30 PM Can I just skip the filter?
gogogo Offline


Registered: 01/17/18
Posts: 12
Loc: 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.

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#4724129 - 04/11/18 09:35 PM Re: Can I just skip the filter? [Re: gogogo]
JeffKeryk Offline


Registered: 01/09/10
Posts: 117
Loc: Los Gatos, CA
Get busy on them rusted screws...

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#4724149 - 04/11/18 09:47 PM Re: Can I just skip the filter? [Re: gogogo]
das_peikko Offline


Registered: 01/01/18
Posts: 422
Loc: San Antonio, TX
Don't skip the filter unless it's a well built Wix XP.

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#4724153 - 04/11/18 09:50 PM Re: Can I just skip the filter? [Re: gogogo]
FordBroncoVWJeta Offline


Registered: 04/16/16
Posts: 723
Loc: KS
cant you get the filter from the bottom of the car?
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#4724159 - 04/11/18 09:56 PM Re: Can I just skip the filter? [Re: gogogo]
spasm3 Offline


Registered: 05/30/10
Posts: 8445
Loc: 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!
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#4724160 - 04/11/18 09:56 PM Re: Can I just skip the filter? [Re: gogogo]
PimTac Offline


Registered: 03/04/17
Posts: 3512
Loc: 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.
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#4724190 - 04/11/18 10:49 PM Re: Can I just skip the filter? [Re: gogogo]
Linctex Offline


Registered: 12/31/16
Posts: 5724
Loc: 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.
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#4724209 - 04/11/18 11:03 PM Re: Can I just skip the filter? [Re: Linctex]
bbhero Offline


Registered: 03/20/15
Posts: 4393
Loc: Virginia
^^^^^^^^

Interesting and great post Linctex.
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#4724217 - 04/11/18 11:12 PM Re: Can I just skip the filter? [Re: FordBroncoVWJeta]
NothingNew Offline


Registered: 12/22/11
Posts: 130
Loc: 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

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#4724224 - 04/11/18 11:20 PM Re: Can I just skip the filter? [Re: gogogo]
Nyogtha Online   content


Registered: 10/13/14
Posts: 2171
Loc: 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


Edited by Nyogtha (04/11/18 11:22 PM)
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#4724241 - 04/12/18 12:18 AM Re: Can I just skip the filter? [Re: Linctex]
CR94 Offline


Registered: 03/20/16
Posts: 988
Loc: 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.
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#4724244 - 04/12/18 12:21 AM Re: Can I just skip the filter? [Re: gogogo]
zorobabel Offline


Registered: 01/27/11
Posts: 440
Loc: 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.
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#4724270 - 04/12/18 01:55 AM Re: Can I just skip the filter? [Re: gogogo]
gogogo Offline


Registered: 01/17/18
Posts: 12
Loc: 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.


Edited by gogogo (04/12/18 01:56 AM)

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#4724274 - 04/12/18 02:38 AM Re: Can I just skip the filter? [Re: gogogo]
Nyogtha Online   content


Registered: 10/13/14
Posts: 2171
Loc: 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)


Edited by Nyogtha (04/12/18 02:50 AM)
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#4724277 - 04/12/18 03:14 AM Re: Can I just skip the filter? [Re: gogogo]
rooflessVW Online   content


Registered: 12/24/11
Posts: 3679
Loc: 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.
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