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funny noise when i turn engine off

Discussion in 'A3/S3 Forum (8L Chassis)' started by madmark, Jul 14, 2011.

  1. madmark
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    madmark Member

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    [Jul 14, 2011]
    hi all i have 1.9tdi on x reg when i turn the engine off it makes a noise like a fog horn lasts for about 6 seconds seems to come from a unit in the engine bay on the bulk head battery side has 3 air pipes going to it there is 2 of these units side by side its the 1 on the right as u look at them any idear what it is and is it faulty any tests i can do will try to find name for it and a pic
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  3. madmark
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    madmark Member

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    [Jul 22, 2011]
    any1 know what this part is and y its making a noise thank you
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  4. voorhees
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    voorhees Moderator Staff Member Moderator

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    [Jul 22, 2011]
    Does it look like this ? It would explain the noise.[​IMG]
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  5. s3dave
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    s3dave TFSI Hybrid

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    [Jul 22, 2011]
    Sounds like a blocked breather system.....sorry dont know much about soot chuckers......:)
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  6. adamss24
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    adamss24 Well-Known Member

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    [Jul 22, 2011]
    Take a picture...
    #5
  7. scotty_24
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    scotty_24 Member

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    [Jul 22, 2011]
    N75 boost solenoid we change them at work all the time. Known as a moo valve as sounds like a cow mooing
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  8. SiGainey
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    SiGainey Member

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    [Jul 22, 2011]
    It's the EGR. I'd put money on it
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  9. madmark
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    madmark Member

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    [Jul 22, 2011]
    is it normal to do that
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  10. madmark
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    madmark Member

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    [Jul 24, 2011]
    is it normal for them to moo lol or does it meen its at fault car drives ok ?
    #9
  11. scotty_24
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    scotty_24 Member

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    [Nov 27, 2011]
    It's not normal, we replace about 5 every week at work
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