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    VWVortex


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    Thread: Help Please !!!!! Loud Hissing noise ???

    1. 05-23-2012 03:30 PM #1
      Hey everyone whats going on ??? today i went out side to warm up my car before heading out to work ... When i started my car i got out and i hear a Loud HISSING sound ??? So i popped the hood and it just got louder ?? sounds like its coming from the top of the motor and also on the left side by the belts ??? its a 2004 R32 and i just hit 80K miles?? anyone have this problem or know what it could be ?? Thank you

    2. Member
      Join Date
      Jul 11th, 2011
      Location
      Colorado
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      155
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      mkiv r32
      05-23-2012 03:54 PM #2
      I had a mild hissing sound at idle, but it got removed when I did a SAI block off.

    3. Member DarkSideGTI's Avatar
      Join Date
      Aug 11th, 2001
      Location
      SL,UT
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      16,671
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      Bagged R32T
      05-23-2012 05:08 PM #3
      sounds like a vac leak to me. check all your lines.

    4. 05-23-2012 05:15 PM #4
      thank you for the quick responses ... I found the problem and it was the secondary water pump vaccum line it was cracked in half ... i called volkswagen $90 for a plastic line !!!!! insane lol

    5. Member
      Join Date
      May 30th, 2006
      Location
      Mesa, Arizona
      Posts
      2,127
      Vehicles
      '04 R32 w/ HPA FT400 w/ UM tune - '95GTIVR6 - '02 TTQuattro
      05-23-2012 05:27 PM #5
      Quote Originally Posted by bigturbo4life View Post
      thank you for the quick responses ... I found the problem and it was the secondary water pump vaccum line it was cracked in half ... i called volkswagen $90 for a plastic line !!!!! insane lol
      Our secondary water pump has a vacuum line?

    6. Member macximus's Avatar
      Join Date
      Oct 21st, 2007
      Location
      Broomfield, CO
      Posts
      457
      Vehicles
      2004/.:R32/BMP
      05-23-2012 07:19 PM #6
      def sounds like the SAI line.

      I work at VW, if you live in CO I can take care of you

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