USSPA Pump Bearing or Motor Failure

Spa makes loud grinding or screeching noises from the pump area when jets are on.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Worn pump motor bearings, Water intrusion into motor, Misaligned pump and motor assembly, Debris in pump impeller

How to Fix / Troubleshooting

Safety first: Turn OFF power at the breaker before inspecting the pump.

  • Identify noisy pump:
    • Turn spa ON briefly and listen to locate which pump is noisy, then turn power OFF.
  • Inspect pump:
    • Check for leaks at pump seals that may have allowed water into the motor.
    • Look for rust or discoloration on the motor housing.
  • Check for debris:
    • Remove pump wet end (if serviceable) and inspect impeller for debris; clear any obstructions.
  • Replace pump or motor:
    • If bearings are noisy or motor shaft has excessive play, replace the complete USSPA-compatible pump assembly or motor.
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Repair Difficulty

Medium 3/5

Required Part

Jet Pump 1
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