'02 A6 2.7T Whine at startup

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Feb 15, 2009 | 04:30 PM
  #11  
is the secondary air pump something to be worried about?
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Feb 15, 2009 | 08:22 PM
  #12  
Nothing to worry about at all! It is designed to run while the engine is cold and stop shortly afterward, hence the noise on startup and only on startup.
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Feb 16, 2009 | 12:41 PM
  #13  
thanks, i was worried my turbo was a bout to blow up or something. now i can sleep worry free.
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