The big old 80's 340 owners thread

Discussion in 'Sport Cruisers' started by Keith the Cop, Oct 15, 2009.

  1. Razzle Dazzle

    Razzle Dazzle Ship shape and Bristol Fashion SILVER Sponsor

    55
    Jul 2, 2016
    United Kingdom and Florida
    Sea Ray Express Cruiser 340 1989 Mercruiser 7.4
    Mercruiser twin 7.4 Gas powered
    Hi Shawn, Continuing saga. All of a sudden I have no water when I turn on the taps. Did I overfill the water tanks? Would this cause the pump to shut down? My water switch is on. The vacuflush doesn’t pump water either. I was hoping to spend a long weekend aboard
     
  2. NorCal Boater

    NorCal Boater Well-Known Member SILVER Sponsor

    Jan 24, 2008
    Covington, LA
    Cobalt CM23
    GM SB 383" Stroker" Alpha Gen I
    Most obvious question is do you hear the water pump cycle on? After sitting on the hard for what?....4 years? it's very likely that the diaphragm in your water pump dried up and no longer functions. I would look at just changing out the pump. It's an easy job and I think a new Jabsco or Shurflo pump is about $125. It's an easy job and should take an hour or so.

    Shawn
     

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