Jacuzzi
Pump Bearing or Cavitation Noise
Pump makes loud grinding, squealing, or rattling noises during operation.
Advertisements
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.
Advertisements
Possible Causes
Worn motor bearings, Cavitation from low water level or restriction, Debris in pump impeller, Misaligned pump mounting
How to Fix / Troubleshooting
Safety: Turn off power before touching the pump.
- Check water level: Ensure the spa is filled to the proper level to prevent air ingestion.
- Clean filter: Remove and clean the filter to reduce restriction.
- Inspect for debris: Remove pump unions and check the impeller area for stones, plastic, or other debris.
- Tighten mounting: Verify the pump is securely mounted to its base to reduce vibration.
Persistent grinding or squealing indicates failing bearings; the pump motor should be rebuilt or replaced.
Advertisements
Repair Difficulty
Medium
3/5
Advertisements