Siemens Drum Imbalance / Worn Supports

Dryer produces loud banging or thumping noises when tumbling

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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

Worn or flattened drum rollers, Damaged drum baffles (lifters), Loose items inside drum, Unevenly distributed load

How to Fix / Troubleshooting

Safety first: Unplug the dryer before internal inspection.

  • Check load: Stop the cycle and redistribute the laundry. Avoid drying single heavy items like large towels alone.
  • Inspect drum baffles: Open the door and check the plastic or metal lifters inside the drum. Tighten loose screws or replace cracked baffles.
  • Check rollers: Remove front or rear panels to access drum rollers. Replace any that are worn, out-of-round, or noisy.
  • Inspect drum seam: Check for separation at the drum seam or loose rivets. Replace the drum if structurally damaged.
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Repair Difficulty

Medium 3/5

Required Part

Drum Support Rollers
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