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  1. #1
    Veteran Member Three Rings Mr.Tan's Avatar
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    Sep 02 2014
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    '01 GTI
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    weird "flapping" sound audible in interior

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    Not sure what it is, its kind of annoying... I noticed it first last night when i got home after driving home from work. Its more noticeable after the car has been driven longer and seems to resonate from what sounds like the dash area? i can't notice it from anywhere else or hear it when i get out of the car and listen while its running. Even turning off the heat/air system i can still hear it.


    The only thing i can think of is that i have a leaking front prop shaft seal (car goes in the 11th or jan to get this repaired), could it be related to that? i'd think it would be more constant and noticeable while driving though...


    Any ideas? i dont know where to begin. I only really hear it when i turn off the radio and heat/air system.
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  2. #2
    Veteran Member Four Rings jimrobbington's Avatar
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    Dec 03 2008
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    2018 SQ5
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    Gremlins masturbating in the air vents?
    2021 Audi S4, P34 Intake

  3. #3
    Veteran Member Four Rings AudiTFSI3o3's Avatar
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    Oct 20 2008
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    2007 Audi A4 2.0T, 2011 IS350 AWD
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    Quote Originally Posted by jimrobbington View Post
    Gremlins masturbating in the air vents?
    dude i read the title as "fapping"
    '14 Audi S4 P+ | Sport Diff | | Ice Silver | APR Stage II Dual Pulley | TA Testpipes | APR DL501 | H&R Springs | SB Leds | Eurocode AK | 034 Trans Insert | 034 Motor Mounts | Vossen CV-3 | Stoptech ST-60 BBK | JHM 2-piece rears | AMS Cooling System |
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  4. #4
    Veteran Member Four Rings jimrobbington's Avatar
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    Dec 03 2008
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    Quote Originally Posted by AudiTFSI3o3 View Post
    dude i read the title as "fapping"
    Lol, me too.
    2021 Audi S4, P34 Intake

  5. #5
    Veteran Member Three Rings cchoi83's Avatar
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    Nov 10 2014
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    Long Island, NY

    Quote Originally Posted by jimrobbington View Post
    Lol, me too.
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  6. #6
    Veteran Member Four Rings jokingjimmy's Avatar
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    Quote Originally Posted by cchoi83 View Post
    Me three. All of us need help...
    Fourth. I must be reading too many forum posts lol.
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  7. #7
    Veteran Member Four Rings TexasDfwS4's Avatar
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    Sep 10 2012
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    That's the sound of a fresh oil change at Jiffy Lube.
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  8. #8
    Veteran Member Four Rings BoostEasy's Avatar
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    Aug 07 2013
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    NE

    If it only happens when the car is moving it could be a loose underbody aero panel.

    I had the same problem w/flapping sound on my wife's 03 Camry and was puzzled for a little while. It was the front underbody panel under the radiator support.

    The panel didn't droop much when the car was parked so it wasn't obvious. But when on highway and 60+ mph, it would flap and bang around from the airflow.

    A few screws and it was all good.
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  9. #9
    Veteran Member Three Rings Mr.Tan's Avatar
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    Sep 02 2014
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    Quote Originally Posted by jimrobbington View Post
    Gremlins masturbating in the air vents?
    well i havent dropped any food into my air vents after midnight so i can't imagine there would be gremlins back there

    Quote Originally Posted by BoostEasy View Post
    If it only happens when the car is moving it could be a loose underbody aero panel.

    I had the same problem w/flapping sound on my wife's 03 Camry and was puzzled for a little while. It was the front underbody panel under the radiator support.

    The panel didn't droop much when the car was parked so it wasn't obvious. But when on highway and 60+ mph, it would flap and bang around from the airflow.

    A few screws and it was all good.
    it actually only while sitting at idle, it goes away/isn't noticible while driving.
    www.epautohaus.com for all your aftermarket performance parts, wheels & tires

  10. #10
    Senior Member Two Rings
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    Oct 08 2007
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    Minnesota

    I'm guessing its the flappers for the air vents cycling behind the dash. Every audi I've owned has done it to some extent.
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  11. #11
    Veteran Member Three Rings cchoi83's Avatar
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    Long Island, NY

    Quote Originally Posted by points View Post
    I'm guessing its the flappers for the air vents cycling behind the dash. Every audi I've owned has done it to some extent.
    Omg. I just read your post as "I'm guess its the fappers for..."

    I'm so going to hell for the things that are in my sick head.
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  12. #12
    Veteran Member Four Rings Brother Owl's Avatar
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    Mar 24 2015
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    Denver

    Get a grip guys, there's nothing naughty about "flappers flapping" at all...

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  13. #13
    Veteran Member Four Rings blbroo's Avatar
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    The Flappening ^


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