Wyze Mechanical Noise from Brush or Wheel Assembly

Wyze robot vacuum is very loud during operation, with grinding or rattling noises from underneath.

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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

Debris in main brush bearings, Worn or dry wheel bearings, Foreign object in brush chamber, Loose bottom cover or screws

How to Fix / Troubleshooting

Safety first: Power off and flip the robot onto a soft surface to avoid scratching the top.

  • Inspect main brush: Remove the brush and clean hair from the ends and bearings. Check for cracks or missing bristles.
  • Check brush guard: Ensure the brush guard is not warped and that it snaps securely into place without rubbing the brush.
  • Inspect wheels: Spin each drive wheel and the front caster. Listen for grinding. Remove hair from axles and caster socket.
  • Tighten screws: Check the bottom cover screws and gently snug them if any are loose (do not overtighten into plastic).
  • If noise persists: A wheel gearbox or brush motor bearing may be worn. These components can be replaced but require disassembly; consider professional repair.
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Repair Difficulty

Medium 3/5

Required Part

Wyze Main Brush
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