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water leak in boat at transom-gctid809051

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    water leak in boat at transom-gctid809051

    took boat out today first time since new engine.we docked boat at island.rear bilge pump under engine went off every couple minutes.looked inside engine compartment and water was coming in just below left rear motor mount as you look down at them.any ideas what it might be?1995 2452 Bayliner,5.7 mercruiser

    #2
    If you just had a new engine installed I would take the boat back to whoever put the new motor in. Sounds like they forgot to connect something. Maybe shift cable boot.
    1999 Bayliner Ciera 2655
    5.7 Bravo 3

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      #3
      you mean shift cable bellow

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        #4
        Gotta get down in there spaceman and find the source. Paper towels can help pinpoint the area. The shift cable bellow is in that area.
        Dave
        Edmonds, WA
        "THE FIX"
        '93 2556
        Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

        The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
        Misc. projects thread
        https://www.baylinerownersclub.org/f...56-gctid789773

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          #5
          how does water get into that area if visually the shift cable bellow looks ok

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            #6
            Depends on how the visual is done. Often it takes some pushing and poking and that still doesn't show the source. Observing it in the water is often the only way to find it making it a pain in the b_tt to find. I had a shifter cable bellows leak where, when I took it apart, everything looked fine making me nervous about the new one leaking. Did the replacement, everything was fine.
            P/C Pete
            Edmonds Yacht Club (Commodore 1993)
            1988 3818 "GLAUBEN”
            Hino EH700 175 Onan MDKD Genset
            MMSI 367770440

            Comment


              #7
              As posted above, shift bellows.

              It could also be the drive bellows. If it is not installed correctly or is torn somehow, there is a breather hole which will allow water to come through to the inside, and it could tumble down on either side. It's very difficult to see exactly where it is coming from.

              If it is the drive bellows (and saltwater), then replace cross bearings, gimbal etc or you will have trouble in the future.

              Also, if the water reached the starter/altenator then you have to think they will not be long for this world either.

              Chay

              Comment


                #8
                "spaceman" post=809122 wrote:
                how does water get into that area if visually the shift cable bellow looks ok
                You sure it's not entering from above? Water tube fitting square shaft seal etc?

                There are other sources down below. Y pipe seal, trim block seal, Mercathode (if equiped) or bottom anode seal. Wrap or stuff paper towels around the suspect areas to trace the source.
                Dave
                Edmonds, WA
                "THE FIX"
                '93 2556
                Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

                The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
                Misc. projects thread
                https://www.baylinerownersclub.org/f...56-gctid789773

                Comment


                  #9
                  with the drive off there is some water sitting in the bellow but bellow does not seem that bad to allow so much water coming in at such a fast rate.i did replace the big anode at the bottom of housing but there are no wires connected to it like the manual shows,is there a seal on it and could water come gushing in through it?i did order a complete seal kit with bellows and gimbal bearing.

                  Comment


                    #10
                    Water sitting in the bellows, your Ujoint crosses gimbal bearing is already ruined.

                    There is a plug seal / gasket on the gimbal bottom anode...yes water can come gushing through the hole. This cost my insurance company about $12,000 .

                    http://www.baylinerownersclub.org/in...8?limitstart=0
                    Joon, Kathy, Jaden & Tristan
                    Uniflite 42 AC, DD 671N
                    93 3058 sold
                    92 2855 (day boat)
                    91 Fourwinns 205 (lake boat)
                    Longbranch WA
                    Life is Good

                    Comment


                      #11
                      When i first got my 2452 i ran it on the hose in my driveway water was coming into the bilge, using a mirror and a flashlight facing rear under the front of the motor i saw it to be the big rubber hose connecting the bottom of the down pipe to the Y pipe.

                      You have water in the u-joint bellows, you now need a new u-joint and gimbal bearing. plus all new bellows.

                      I would also pressure test your drive.
                      Be good, be happy, for tomorrow is promised to no man !

                      1994 2452, 5.0l, Alpha gen. 2 drive. Sold ! Sold ! Sold !

                      '86 / 19' Citation cuddy, Merc. 3.0L / 140 hp 86' , stringer drive. Sold ! Sold ! Sold !

                      Manalapan N.J

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                        #12
                        well everyone I found the leak! never put rear engine bolts through housing without spacers! I didn't use spacers first time I put engine back in and found out the left bolt bore a hole through the exhaust Y. Live and learn

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                          #13
                          No double wound spring? Or are you using the newer style rear engine mounts? Must have been a chore to get the alignment correct without the double wound style. I noticed some small depressions in my Y pipe from the bolts also, I ended up grinding about 3/8" off the end of each bolt. There must have been two different lengths (old style, new style) Glad you found the source, maybe you could drill and tap the hole and install a threaded plug with sealant or JB as a repair.
                          Dave
                          Edmonds, WA
                          "THE FIX"
                          '93 2556
                          Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

                          The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
                          Misc. projects thread
                          https://www.baylinerownersclub.org/f...56-gctid789773

                          Comment

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