Bestway Partial Impeller Damage / Slipping Coupling

Pump is unusually quiet and appears to be running, but flow is much lower than normal.

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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

Broken impeller vanes, Impeller loose on shaft, Worn motor coupling (on coupled designs), Debris partially blocking impeller eye

How to Fix / Troubleshooting

Safety first: Unplug the pump before opening the wet end.

  • Inspect impeller: Remove the pump housing cover to access the impeller. Check for missing or cracked vanes and for debris lodged in the eye.
  • Check attachment: Ensure the impeller is firmly attached to the motor shaft and does not spin freely by hand relative to the shaft.
  • Replace damaged parts: Install a new Bestway impeller or wet end assembly if damage is found.
  • Reassemble and test: Prime the pump and verify that normal flow is restored.
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Repair Difficulty

Medium 3/5

Required Part

Bestway pump impeller
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