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  1. #11
    Join Date
    Nov 2006
    Location
    Barnegat Bay, NJ..........and.........St Petersburg, Fl
    Boat
    Sea Ray
    Details
    1984 360 aft cabin aft cabin..........the first aft cabin Sea Ray made (1983-84)! located NJ an
    Engine(s)
    Twin small blocks on the 360 Twin 5.7 's on the 370
    Posts
    29

    Re: VacuFlush help.....desperately neeeded

    Good idea...

  2. #12
    Join Date
    Nov 2006
    Location
    Barnegat Bay, NJ..........and.........St Petersburg, Fl
    Boat
    Sea Ray
    Details
    1984 360 aft cabin aft cabin..........the first aft cabin Sea Ray made (1983-84)! located NJ an
    Engine(s)
    Twin small blocks on the 360 Twin 5.7 's on the 370
    Posts
    29

    Re: VacuFlush help.....desperately neeeded

    Encouraging. Would the water level remain stable if the flush ball shaft is faulty?

  3. #13
    Join Date
    Nov 2006
    Location
    Barnegat Bay, NJ..........and.........St Petersburg, Fl
    Boat
    Sea Ray
    Details
    1984 360 aft cabin aft cabin..........the first aft cabin Sea Ray made (1983-84)! located NJ an
    Engine(s)
    Twin small blocks on the 360 Twin 5.7 's on the 370
    Posts
    29

    Re: VacuFlush help.....desperately neeeded

    The plug is common to lots of your replies.
    Thanks for the great idea of using the plug to isolate the leak area. I never heard of a test plug, so I am moving forward with that info.

    I have an older 360 aft cabin in NJ and it has the separate vacuum tank also.

  4. #14
    Join Date
    Apr 2015
    Location
    Perth, Western Australia
    Boat
    Sea Ray
    Details
    2006 38 Sundancer
    Engine(s)
    Mercruiser 8.1S Horizons / ZF V Drives
    Posts
    445

    Re: VacuFlush help.....desperately neeeded

    Quote Originally Posted by Rivertender View Post
    Encouraging. Would the water level remain stable if the flush ball shaft is faulty?
    Yes mine did.

  5. #15
    Join Date
    May 2013
    Location
    CT
    Boat
    Sea Ray
    Details
    320 Sundancer 2005, Raymarine C120 and C80 Highfield 9.6 RIB & Tohatsu 8hp Previous boat: 215 expre
    Engine(s)
    350 Mercruisers V-drives
    Posts
    521

    Re: VacuFlush help.....desperately neeeded

    Yes, I went through this last season. The fix ended up being 2 25 cent o-rings from the home depot. Simplest way to confirm this is to turn off all the noise makers on the boat and get your ear close to the base of the bowl. You should hear a slight hiss as the vacuum slowly bleeds down.
    Quote Originally Posted by Rivertender View Post
    Encouraging. Would the water level remain stable if the flush ball shaft is faulty?

  6. #16
    Join Date
    Jun 2016
    Location
    Houston, Texas
    Boat
    Sea Ray
    Details
    2001 Sea Ray 460 Sundancer 2014 Seadoo 155 LTD 2105 Seadoo 130 SE
    Engine(s)
    Cummins 6CTA 8.3L
    Posts
    178

    VacuFlush help.....desperately neeeded

    I agree with the hiss method. I purchased a bottle of leak detector in the plumbing aisle at Home Depot for 4 bucks. It bubbles when you put it on the leak, this is how I found the tank leak in mine.


    Sent from my iPhone using Tapatalk

  7. #17
    Join Date
    Jan 2017
    Location
    New Hampshire
    Boat
    Sea Ray
    Details
    310 Sundancer
    Engine(s)
    V Drives
    Posts
    1

    Re: VacuFlush help.....desperately neeeded

    Check that the vacuum generator tank is not full of items that should never be flushed. I am the second owner of my boat and found that female products had been flushed several times. When they expand they cause the bellows to create a small vacuum on the waste pipe but not in the tank where the vacuum switches is located. The toilet will still flush for a period of time but the tank will slowly fill with solids as the bellows also pumps everything in to the holding tank.
    Good luck this is a s**tty job.

  8. #18
    Join Date
    Jan 2015
    Location
    NW
    Boat
    2001 Sea Ray Sundancer
    Details
    410
    Engine(s)
    8.1
    Posts
    153

    Re: VacuFlush help.....desperately neeeded

    Had this simular issue. Check the rubber ring the in pipe goes into the tank. My tank developed a slight dimple on the top of the tank so the rubber ring would not seat. So I 4200 the ring to the tank and not one leak since.

  9. #19
    Join Date
    Sep 2010
    Location
    Atlantic City,NJ
    Boat
    SeaRay
    Details
    1989 390ec
    Engine(s)
    454x2
    Posts
    182

    Re: VacuFlush help.....desperately neeeded

    Similar issue in the past. Non hardening Permatex gasket maker on bowl gasket solved the problem. I insist on guys sitting on the toilet to go wee week. Unless they wish to clean the splatter. Big boys can move the toilet when under way......

  10. #20
    Join Date
    Nov 2006
    Location
    Barnegat Bay, NJ..........and.........St Petersburg, Fl
    Boat
    Sea Ray
    Details
    1984 360 aft cabin aft cabin..........the first aft cabin Sea Ray made (1983-84)! located NJ an
    Engine(s)
    Twin small blocks on the 360 Twin 5.7 's on the 370
    Posts
    29

    Re: VacuFlush help.....desperately neeeded

    My skilled airline mechanic friend did himself and told me to do the same exact thing.......get the boat quiet, pump up vacuum as best you can, and go down to the pump area and listen. He saidche justvkept snugging stuff up until he found the leak.

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