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whistling

vw754 Jan 25, 2007

  1. vw754

    vw754 vorsprung Durch Technik

    2,325
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    i can hear a very faint whistling sound,seems its around passenger side but im not sure,only doing this when im driving and put my foot down a bit,i can only hear it when driving


    AUDI A4 TDI 130 B6 2001
     
  2. Tooks

    Tooks Active Member

    753
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    Sounds like normal turbo noise to me? Does it stop if you suddenly lift off?

    Difficult to diagnose these things without hearing them though!

    Does the car seem to be operating as you'd expect?
     
  3. vw754

    vw754 vorsprung Durch Technik

    2,325
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    yes,but its not turbo noise,sounds like an air pipe split,but ive checked(quickly) cant see anything,noticed on a few audi tdi's,this noise is a new arrival!
     
  4. fjtwelve

    fjtwelve Moderator Staff Member Moderator

    770
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    This noise disappeared when my N75 boost control valve failed. I didn't notice until the valve was replaced and the noise came back. Keep on whistling
     

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