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Volvo Penta AD41B water pump

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  • Volvo Penta AD41B water pump

    Trailer mounted 26 foot flybridge boat. Work done high and dry.

    I usually replace the raw water engine mounted water pump impeller every few years. This time when I pulled the old impeller, one vane was missing. Not sure where it went. Not anywhere that I can see. Connected to the pump, directly above it, is a screen / filter. No vane, or pieces caught there. Is it possible for the vane to get stuck somewhere in the cooling system ? Do I have to find and remove the piece? Do you think it got ground into small bits and pieces and passed through the system ?

    Hoping someone with more experience can answer this question. I am hesitant to run the engine without knowning the risk.

    YOUR COMMENTS PLEASE !

    Thanks

  • #2
    The raw water filter is after the raw water pump so chances that impeller parts big enough to cause a blockage to slip by are small. Most likely the lost vane fell down in the intake hose where it still sits.

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    • #3
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      He probably found the chunk in the 1 1/2 years since posting.

      Closed.
      Last edited by GA_Boater; November 27th, 2016, 12:28 PM.
      BOAT SPECS FORUM HELP STARCRAFT FORUM SHOP iboats
      Please, no PM's (Private Messages) regarding boat/engine problems.
      That is what the forums are for.
      Only forum/moderator issues will be answered in PM's.

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