Cylinder Head Removal

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  • Bobby
    • Jul 2004
    • 87

    • Norman, OK


    Cylinder Head Removal

    I broke a spark plug and ceramic fell into the cylinder, which means I get to pull the head off. Has anyone done this and what difficulites can I expect with the fuel injection system if I do it myself?

    I have a workshop available to me with all the right tools to do it. I'm wondering if it's worth the headache to do it myself or try to find a mechanic in OKC who can do it but they don't seem to exist.
    1996 Sport Nautique w/ EFI GT-40
  • core-rider
    1,000 Post Club Member
    • Feb 2004
    • 1345

    • Huntsville, AL

    • 2003 Black SANTE

    #2
    Was it just the ceramic, or did the center electrode break off with it? If the electrode is still there I would try using a small magnet on the end of a flexible wand to help remove it before going through the trouble of removing the cylinder head.

    Basically you will have to remove the upper intake to access the vacuum lines, fuel lines, etc. The the fuel lines can be removed from the fuel rails and injector harnesses removed from the injectors. That way the rails and injectors could stay in place on the lower intake. Of course the throttle cable and other misc. items will have to be removed so that you could then unbolt and remove the lower intake. From there its similar steps to any engine to remove the cylinder head.
    Jason
    All black 2003 SANTE
    -- Southern Fried --

    Comment

    • NCH2oSki
      1,000 Post Club Member
      • Jul 2003
      • 1159

      • Maryville, TN

      • 2005 ski nautique 206 SE

      #3
      Uuhhhgg What a pain, that will be no fun at all. Hope it turns out well.
      2005 Ski Nautique 206 SE, Acme 422, PP SG 8.0, ND Tower
      2011 strada with strada bindings

      Prior Boats:
      1986 Sunbird skier with 150 Evinrude VRO
      1992 Mastercraft prostar 190, with Powerslot
      1999 Ski Nautique GT-40
      1999 Sport Nautique, GT-40 FCT,



      www.skiersofknoxville.org

      Comment

      • Paxdad
        Senior Member of PLANETNAUTIQUE
        • Mar 2013
        • 775

        • Cumming, GA

        • 2008 210 SANTE

        #4
        Why not try and used compressed air and a shop vac to evacuate the cylinder. I would think you could easily remove with a vacuum.
        2008 210 SANTE

        Comment

        • jkallen21
          Senior Member of PLANETNAUTIQUE
          • Jan 2013
          • 399

          • United States

          • 2006 Super Air 220

          #5
          Buy/borrow a borescope. The have all levels and prices that allow you to see what's in there. You need one small enough to fit your plug hole.

          Comment

          • Bobby
            • Jul 2004
            • 87

            • Norman, OK


            #6
            Electrode broke off and i put a boroscope in it last weekend to take a look around. There are small chunks of ceramic along with it.

            I tried the magnet and couldn't get anything to come up. Also rigged up a small enough vacuum hose to a shop vac and came up empty. I guess before I pull the head I'll try the air compressor/vacuum combo.
            1996 Sport Nautique w/ EFI GT-40

            Comment

            • kend
              • Oct 2013
              • 193

              • DFW, Texas

              • current 2001 Air Nautique previous 1988 Sanger DX

              #7
              get the barrell of a ball point pen and duct tape it to a shop vac hose; find one that fills about 3/4 of the spark plug hole so air can still get in while vacuuming. (don't ask how I know)
              Ken
              2001 DD Air GT40

              Comment

              • Bobby
                • Jul 2004
                • 87

                • Norman, OK


                #8
                Originally posted by kend View Post
                get the barrell of a ball point pen and duct tape it to a shop vac hose; find one that fills about 3/4 of the spark plug hole so air can still get in while vacuuming. (don't ask how I know)
                Why not try and used compressed air and a shop vac to evacuate the cylinder. I would think you could easily remove with a vacuum.

                you guys are gentlemen and scholars. Tried a modified version of this trick using some clear vacuum hose roughly the diameter of a ballpoint pen duct taped to a shop vac and an air compressor. Shot it full of air while vacuuming and I'll be ****ed if I didn't see ceramic chunks sucked through the hose. Next I stuck a small magnet that was wedged in a 1/4" hose down the cylinder and out came the anode. To anyone repeating this - I did it with the piston at the bottom of the cylinder. Then I put the vacuum hose through the cylinder again to just try to clean up anything else that might be in there. Stuck the scope in after that and everything looks clean. Let's hope any other remnants get shot out of the exhaust port. Thanks for the advice. Saved me a real headache... for now....
                1996 Sport Nautique w/ EFI GT-40

                Comment

                • Paxdad
                  Senior Member of PLANETNAUTIQUE
                  • Mar 2013
                  • 775

                  • Cumming, GA

                  • 2008 210 SANTE

                  #9
                  Glad to hear and thanks for letting us know how it turned out!!
                  2008 210 SANTE

                  Comment

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