N/s front end,annoying knock

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  • bertman
    S2Forum Extremist
    • Apr 2007
    • 1173
    • Current: United Kingdom

    #1

    N/s front end,annoying knock

    Been trying to track down this for ages now.There is a really annoying knock coming from the nearside front end somewhere or at least that's where it sounds like it is coming from.
    I know sound can transmit itself through the car and sound like it is coming from somewhere else,but this is doing my head in.
    Things checked or replaced are
    Top mounts
    wishbone bushes
    lower ball joint
    Track rod
    Spring
    Droplinks
    Anti roll bar bushes
    Sounds like it is coming from the passenger wheel arch area.Been in with lever bar trying to locate something loose,but no joy.

    Any other ideas??
    Rob

    Ragussa green avant RS2+ spec
    Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
    Audi coupe gt-slow as hell but loads of character-sold
  • s2driveruk
    Super Moderator
    • Jul 2003
    • 12696
    • Country: England

    #2
    Low speed? I have one but think its the top mount. Have you partially removed air con? Could be a pipe rattling about in the engine bay...
    sigpic

    1992 3b S2 Coupe

    Comment

    • bertman
      S2Forum Extremist
      • Apr 2007
      • 1173
      • Current: United Kingdom

      #3
      I was convinced it was the top mount,but I have had that strut off loads and checked -re tightened and replaced.
      Air con is still working and nothing taken off.
      Rob

      Ragussa green avant RS2+ spec
      Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
      Audi coupe gt-slow as hell but loads of character-sold

      Comment

      • Monkeymagic
        S2Forum Possessed
        • Mar 2012
        • 3419
        • Country: England

        #4
        Are you on original struts. Could it be the retaining collar for shock insert?

        Comment

        • bertman
          S2Forum Extremist
          • Apr 2007
          • 1173
          • Current: United Kingdom

          #5
          I am on original struts but have checked that the retaining collar is tight
          Rob

          Ragussa green avant RS2+ spec
          Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
          Audi coupe gt-slow as hell but loads of character-sold

          Comment

          • mike74
            S2Forum Maniac
            • Apr 2014
            • 615
            • Country: Scotland

            #6
            wheel bearing?

            Comment

            • andy10v
              S2Forum Zealot
              • Mar 2009
              • 5996
              • Country: Scotland

              #7
              Shock ok? Knackered shock can knock.
              Current-2004 Impreza PPP wagon

              Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
              Sold ABY-stock

              Comment

              • Colesy
                S2Forum Fiend
                • Feb 2009
                • 2980
                • Country: England

                #8
                Could be a subframe bush? See if you can get it onto an MOT shaking machine and have a good look.

                Comment

                • saltinot
                  S2Forum Extremist
                  • May 2004
                  • 1946

                  #9
                  Long shot but, Veneto_RS2 had a knock that drove him crazy for years in his RS2. Turned out to be the charcoal canister. It was loose and knocking around in behind the wing well lining.

                  Comment

                  • Error404
                    Super Moderator
                    • Mar 2007
                    • 19789
                    • Country: United Kingdom

                    #10
                    Steering rack yoke & rack mounting bolts are worth a check too.
                    Panthero Coupé quattro 20vt
                    Indigo ABY coupé
                    Imola B6 S4 Avant

                    Comment

                    • bertman
                      S2Forum Extremist
                      • Apr 2007
                      • 1173
                      • Current: United Kingdom

                      #11
                      I am under that car nearly every lunch break to to figure out where this damn noise is coming from.If you listened you would say it comes from the passenger footwell.
                      The canister thing could be worth a look Tom,do you know how loud the knock was?
                      Subframe bushes have been replaced with powerflex ones
                      Rob

                      Ragussa green avant RS2+ spec
                      Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
                      Audi coupe gt-slow as hell but loads of character-sold

                      Comment

                      • mike74
                        S2Forum Maniac
                        • Apr 2014
                        • 615
                        • Country: Scotland

                        #12
                        Could also be worn anti roll bar bushes?

                        Comment

                        • bertman
                          S2Forum Extremist
                          • Apr 2007
                          • 1173
                          • Current: United Kingdom

                          #13
                          Anti roll bar bushes once again have been replaced
                          Rob

                          Ragussa green avant RS2+ spec
                          Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
                          Audi coupe gt-slow as hell but loads of character-sold

                          Comment

                          • pwadjo
                            S2Forum Buff
                            • Nov 2014
                            • 26
                            • Country: Ireland

                            #14
                            I had a golf r for a while and had this issue. It turned out to be the fuel lines hitting the underneath of the car. Could ne worth a look.

                            Comment

                            • bertman
                              S2Forum Extremist
                              • Apr 2007
                              • 1173
                              • Current: United Kingdom

                              #15
                              over gentle bumps it is a slight knock but when you hit something a little bigger it sounds more like a clump.If I were to guess i would say its in the strut somewhere but this has all bee looked at
                              Rob

                              Ragussa green avant RS2+ spec
                              Racing blue Octavia VRS mk2 estate-Remapped now to 250 bhp
                              Audi coupe gt-slow as hell but loads of character-sold

                              Comment

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