SMEG
Mechanical Noise / Foreign Object in Pump
Dishwasher makes loud grinding or rattling noises during wash or drain phases.
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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
Foreign object in circulation pump, Foreign object in drain pump, Worn pump bearings, Loose mounting brackets or panels
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the machine to cool before working underneath.
- Check sump for debris: Remove filters and inspect the sump for glass, bones, or utensils that may contact the impeller.
- Access pumps: Remove the base panel and inspect both circulation and drain pumps. Look for objects lodged in the impellers.
- Secure panels: Tighten any loose screws on side panels, base, and door that may cause vibration noise.
- Replace noisy pump: If the noise persists and the pump feels rough when spun by hand, replace the affected pump.
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Repair Difficulty
Medium
3/5
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