Bestway Worn Pump Bearings / Damaged Impeller

Pump makes loud grinding or squealing noises during operation

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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

Aging pump motor bearings, Debris lodged in impeller, Cavitation due to low water level or air leaks, Misaligned pump shaft

How to Fix / Troubleshooting

Safety first: Unplug the spa before inspecting the pump. Do not run the pump dry.

  • Check water level: Ensure the spa is filled to the correct level to prevent air from entering the pump.
  • Remove debris: Clean the filter and suction area to reduce the chance of debris reaching the impeller.
  • Listen after reset: Briefly run the pump after cleaning. If the noise persists or worsens, stop using the spa.

Loud mechanical noises usually indicate internal pump damage. The pump motor or complete pump/heater assembly should be replaced by a qualified technician.

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Repair Difficulty

Hard 4/5

Required Part

Circulation Pump Motor
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