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2009 A4 makes noise

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Old 08-20-2012, 04:00 PM
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Default 2009 A4 makes noise

Hello all,

New owner here. 2009 A4 CBO with prestige package. Why is it making such a big noise when the car is started?


any help is appreciated.

arvind
Old 08-20-2012, 04:25 PM
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Your video is set to private.

I wonder if you're hearing the secondary air pump....
Old 08-20-2012, 04:26 PM
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Air pump... loud but normal... wait til winter
Old 08-20-2012, 06:07 PM
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They're all loud at initial start-up. It quiets down considerably after about 30 seconds when the RPM drops to 800.
Old 08-21-2012, 02:00 AM
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I made the video public.

It does quiet down after about a minute or so but the loud noise is annoying. When I show the car to someone that is the first thing they notice!
Old 08-21-2012, 02:36 AM
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https://www.audiworld.com/forums/sho...ine+noise+cold
Old 08-21-2012, 07:19 AM
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thanks for the response. It is good to know that I am not alone and it sucks to know that it is what it is.

all in all i am loving the ride.
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