dominator pump
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dominator pump

  1. #1
    Junior Member 78mantra's Avatar
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    Default dominator pump

    Dominator pump aa aggressor been sitting for years just finished putting my engine in yesterday and when trying to start the engine and while idling it makes a growling sound coming from around the pump any ideas on what this might be

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  3. #2
    Junior Member Critical Mass's Avatar
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    It sounds like you started it out of water.

  4. #3
    Junior Member 78mantra's Avatar
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    Jus for a few sec until I heard it

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  6. #4
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    Kinda a normal noise when tuning a pump out of the water

    Is a big no no if you like your pump at all pull the drive shaft to run and tune the boat

  7. #5
    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by 78mantra View Post
    Dominator pump aa aggressor been sitting for years just finished putting my engine in yesterday and when trying to start the engine and while idling it makes a growling sound coming from around the pump any ideas on what this might be
    Setting for a long time might give pause for some concern over bearing issues (rust or corrosion forming) however some "machine noise", driveline rattle is a common malady in jets and is made worse with worn splines , solid engine mounts , alloy hulls and heavy impellers , lumpy cams etc , typically this noise dissipates with a slight impeller load (RPM increase over idle )

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