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Thread: whistling

  1. #1
    vw754's Avatar
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    whistling

    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

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  3. #2
    4th Gear

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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?
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    vw754's Avatar
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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!

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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
    2001 A6 Avant 2.5TDi quattro Sport 180hp+TurboDynamics MD438 hybrid+Bosio Race683s+3" exhaust+Celtic Tuning remap - now with adamss24 replaced with runabout
    2007 BMW 535d AM Sport + Celtic remap
    2004 A4 Avant 1.9TDi quattro Sport 130hp + Superchip - sold & replaced by
    2005 Audi TT 1.8T
    1988 Yamaha FJ1200 120hp finally traded after 23 years for
    1986 Yamaha FJ100 (1300 barrels shhh!) with too many bits to mention
    2011 BMW 320d M Sport son #1
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