Funny sound at cold

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  • Bowlerwell
    S2Forum Extremist
    • Sep 2005
    • 1052
    • Country: Scotland

    #1

    Funny sound at cold

    I've noticed a weird sound the past week or so...
    Idle sounds fine, but as soon as I increase revs I hear what sounds like a gurgling or trickling of water...

    By the time I got to work this morning (15 min city driving, engine=~88*C) the sound was gone.
    Any ideas?
    John Bowlerwell
    Electronic Engineer

    Present:
    Nogaro Blue RS2 - TOE
    Previous:
    Kingfisher Blue S2 - UAA
    Volcano Black RS2 LHD - DEX
  • fourringsrus
    S2Forum Addict
    • Oct 2009
    • 239
    • Home: United Kingdom Current: England

    #2
    Coolant system needs bleeding maybe?

    Comment

    • Al Wyn
      S2Forum Possessed
      • Nov 2006
      • 3746
      • Country: United Kingdom

      #3
      John id try taking the expansion tank cap off then at idle let it run up til the fan kicks in (with the aircon on max hot) it may just be a bit of an air lock somewhere in the system. Let us know how you get on.
      S2 + RS2 yep ive had a few love em... Laser red S2 avant... Brilliant black lhd RS2... Polar silver RS2... RS blau RS2... CheeRS Al

      Comment

      • Bowlerwell
        S2Forum Extremist
        • Sep 2005
        • 1052
        • Country: Scotland

        #4
        Makes sense.
        Thanks Chaps.
        John Bowlerwell
        Electronic Engineer

        Present:
        Nogaro Blue RS2 - TOE
        Previous:
        Kingfisher Blue S2 - UAA
        Volcano Black RS2 LHD - DEX

        Comment

        • ralleyquattro
          S2Forum Maniac
          • Oct 2007
          • 536
          • Home: Poland Current: Canada

          #5
          I have the same sound, did bleeding the system help?
          I tried the cap off trick and still the same sound..
          www.quattro.ca
          B2: 82 Urq into Sport quattro, 82 4000 2-door, 83 80q 2 Door, 83 Ur-q CDN, 85 Ur-q Euro with 3B, 86 4kq, 59,000km
          B3/B4: 91 CQ, 93 90q 2.5TDI, 94 80q avant 2.5tdi, 94 S2 Avant

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