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TEMP GETTING HOT-gctid816041

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    TEMP GETTING HOT-gctid816041

    Hey everybody. I have a 2005 305 with 5.7 l engines and Bravo Two drives. My starboard engine starts to run a little hot when I'm at cruising speed around 3200 RPMs the temp goes up. I would say 10 or 15 degrees When I'm at idle or low RPMs around 2000 the temp stays where it should be. Any opinions thanks in advance

    #2
    Bravotities
    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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      #3
      Do you boat in salt water? If so and are not running a "closed cooling system" you could have a blockage.

      When is the last time the impellers were changed?

      Have you run in shallow water recently? If so you could have ingested some sediment.
      Phil, Vicky, Ashleigh & Sydney
      1998 3055 Ciera
      (yes, a 1998)
      Previous boat: 1993 3055
      Dream boat: 70' Azimut or Astondoa 72
      Sea Doo XP
      Sea Doo GTI SE
      Life is short. Boats are cool.
      The family that plays together stays together.
      Vice Commodore: Bellevue Yacht Club

      Comment


        #4
        I don't know about your engine history if it didn't run higher before. However on my inboard engine manual it states

        The starboard engine which is connected to a water heater will typically run 10-15 degrees warmer than the port engine ,and mine does.

        I dont know if that is the configuration you have but if you do it could be an answer to the difference.

        Beyond that check strainers hoses antifreeze loss from exchanger and water pumps.
        1989 Avanti 3450 Sunbridge
        twin 454's
        MV Mar-Y-Sol
        1979 Bayliner Conquest 3150 hardtop ocean express.
        Twin chevy 350's inboard
        Ben- Jamin
        spokane Washington

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          #5
          Thanks guys I run in saltwater and I just changed both Impalas beginning of season also my starboard engine is not connected to the water heater. I figured something is restricting the flow when I am at high RPMs and it is not getting sufficient water I guess I need to start checking everything

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            #6
            Found out it was the spring loaded hose connection on top of the thermostat housing that was getting stuck. The Springs we're getting stuck and not allowing sufficient water to flow. Hopefully I can just change out that piece and not buy a new thermostat housing .....any suggestions thanks

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              #7
              Just changed the T ball valve assembly on top of the thermostat housing and my Riser is still getting hot I even switched the thermostat housing with the T ball valve assembly to the other engine and now that engine is getting hot so I know it has to do something with that Tebow valve assembly and thermostat housing

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