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Volvo Penta high pitched whine

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  • Volvo Penta high pitched whine


    I recently purchased a boat and have noticed a high pitched whine that kicks on and off. I'm not sure if this is normal or something I need to be concerned about.

    The motor is a 1997 Volvo Penta 5.7l Gli that has no problem making plenty of power and runs great. It did sit for about a year and a half before my purchasing it.

    At low power I don't hear the whine. I notice it after running at higher power settings. It stays on for 30 seconds or so after running at cruise and slowing to idle, then it kicks off, just like a pump would turn on and off. Sometimes it's on for a short period of time immediately after start. It's not a bilge pump, I've checked those.

    Any ideas? Thanks for input!

  • #2
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    Re: Volvo Penta high pitched whine

    Check your level in your power steering pump, but then again you could have a bearing on its way out, keep an eye out as it can only get worse eg alternator bearing, idler pulley etc.
    'All other things being equal, a bigger engine makes more power.'
    1988 Bayliner 2150 Capri with 5.7 litre vortec engine and Cobra drive
    1979 Jem craft Southwind with 460 big block 550 Hp with Panther jet unit