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Sprinkler pump makes loud noise when it is running, how to fix?

Pump runs but makes a loud noise when it is running.

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  • Norm Blais Jan 18, 2013

    Ended up replacing pump and motor.

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  • Expert
  • 372 Answers

Typically this sound indicates bearings going out. Usually this means replacing the motor, or may be repairable depending on size and make.

Posted on Jan 13, 2013

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Posted on Jan 02, 2017

john224
  • 1378 Answers

SOURCE: when running it makes a loud continuous loud noise

Your bearing are failing. Replacing them and the seal at a local electric motor repair shop will likely cost around $50.

Posted on Jun 14, 2009

  • 3 Answers

SOURCE: pump motor makes loud noise when pump comes on

If this is a high pitched sound, then this sounds like you have bearings that are starting to go out.  There is not much that you can do to prevent eventual failure.
The only other option that I see is that there is something causing friction inside the pump between the impeller and diffuser.  

Posted on Jan 12, 2009

john224
  • 1378 Answers

SOURCE: when running it makes a loud noise

Your bearing are failing. Replacing them and the seal at a local electric motor repair shop will likely cost around $50.

Posted on Jun 14, 2009

  • 4 Answers

SOURCE: My pump whines very loud while running? Any

check the motor bearings,(take the pump apart from the motoer should 4 bolt,,,, then wiggle the shaft should not move at all.) then look at the impeller to see how worn it is or if it is touching any part of the houseing.

Posted on Jun 29, 2009

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10. Take note of the pressure.
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Under this set up, you can run the sprinklers when your pump is running. Hope this will solve problem.

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