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  1. #1

    Default 2005 Volvo penta 8.1 over heating

    Changed impeller and now not priming. I can hook a water hose to the hose that comes from the lower unit and it cools and runs perfect but when I put the muffs on it back it in the water it will not pick up. Any suggestions? Iíve tried everything I know

  2. #2
    Join Date
    Mar 2009
    Location
    Portland, Oregon,
    Posts
    12,015

    Default Re: 2005 Volvo penta 8.1 over heating

    Did you check the replacement impeller against the previous impeller to ensure that the depth was correct?
    When the impeller is placed in the pump body, it should sit proud by approx .010" or so.



    Did you reconnect the suction and supply hoses to the seawater pump correctly?


    Example only:




    Rick ... aka Ricardo..... AQ series Volvo Penta repair
    Portland, Oregon
    28' SDN F/B w/ twin Volvo Penta 5.7L DP drives

    "Intellectual growth should commence at birth and cease only at death." Albert Einstein

    Please... no PMs! Post your questions on the forum.

  3. #3
    Join Date
    Jun 2006
    Location
    Spotswood, NJ, USA
    Posts
    5,133

    Default Re: 2005 Volvo penta 8.1 over heating

    It evidently was working before you changed the impeller so review your work.
    Impeller vane direction correct? Some say it dosent matter and they will find there correct direction sometimes they dont

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