Please help..What is this noise?
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AudiWorld Newcomer
Joined: Oct 2009
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Please help..What is this noise?
So about a week ago my 2000 S4 started making this high pitch drill noise on cold start-ups. The noise lasts about 30 seconds then stops. Other than this noise on cold start-ups, its running perfectly. When driving, turbos are spooling properly with no strange noises; same with engine, sounds fine. So I'm a little bit confused to what it could be..
Here's a link to the noise its been making:
http://www.youtube.com/watch?v=NEvo4DNx3cQ
Any ideas of what it is? Thanks for the help!
Here's a link to the noise its been making:
http://www.youtube.com/watch?v=NEvo4DNx3cQ
Any ideas of what it is? Thanks for the help!
AudiWorld Member
Joined: May 2010
Posts: 169
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From: Vancouver BC Canada
I've never heard one do this to the extent yours seems to, but the secondary air pump sounds shot.
Since it doesn't do it after 30 seconds, the turbos are likely not the culprit.
Since it doesn't do it after 30 seconds, the turbos are likely not the culprit.
Last edited by Kristopher; Oct 25, 2010 at 11:20 PM.
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