Liebherr Out-of-Round Drum or Flat-Spotted Rollers

Dryer produces a loud thumping or banging noise as the drum turns.

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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

Flat-spotted drum rollers from long-term storage, Damaged drum baffles, Foreign objects stuck to drum, Loose items inside drum striking the cabinet

How to Fix / Troubleshooting

Safety first: Disconnect power before inspection.

  • Check load: Stop the dryer and redistribute the laundry. Remove heavy items that may be causing imbalance.
  • Inspect drum interior: Look for loose baffles, screws, or objects stuck to the drum surface. Tighten or remove as needed.
  • Access rollers: Remove front panel and inspect drum rollers for flat spots or damage. Replace if visibly worn or if the drum does not rotate smoothly.
  • Check drum alignment: Ensure the drum sits evenly on the rollers and rear bearing. Adjust or replace supports if misaligned.
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Repair Difficulty

Medium 3/5

Required Part

Drum Support Rollers
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