Amazon Basics Mechanical Imbalance in Brush Roll or Motor Fan

Vacuum vibrates excessively or feels unbalanced in the hand

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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

Uneven debris on brush roll, Bent brush roll shaft, Damaged motor fan blades, Foreign object stuck in motor fan

How to Fix / Troubleshooting

Safety first: Turn OFF the vacuum, remove the battery, and detach the floor head.

Step-by-step checks:

  • 1. Clean brush roll thoroughly: Remove all hair and debris from the brush roll. Even small clumps can cause imbalance.
  • 2. Check brush roll straightness: Roll it on a flat surface; if it wobbles, it may be bent and should be replaced.
  • 3. Test without floor head: Run the vacuum with only a small tool attached. If vibration disappears, the issue is in the head. If it remains, the main motor fan may be damaged.

When to stop: If vibration persists and seems to come from the main body, the motor assembly likely needs replacement.

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Repair Difficulty

Medium 3/5

Required Part

Brush Roll Assembly
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