Gaggenau Out-of-round drum or flat-spotted rollers

Dryer produces a loud banging or thumping noise when 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, Loose drum baffles, Foreign objects stuck in drum seam, Worn rear drum bearing

How to Fix / Troubleshooting

Safety first: Disconnect power before inspection.

  • Check load: First, run the dryer empty. If the noise disappears, the issue may be heavy items (e.g., shoes) banging inside. Use appropriate programs or avoid such loads.
  • Inspect drum interior: Look for loose baffles (ribs) inside the drum. Tighten or replace if loose.
  • Access rollers and bearing: Remove panels to inspect drum rollers and rear bearing. Replace flat-spotted rollers and worn bearings.
  • Check for foreign objects: Inspect the gap between drum and front/rear bulkhead for trapped items. Remove any debris.
  • Reassemble and test: After repairs, run a test cycle to verify quiet operation.
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Repair Difficulty

Medium 3/5

Required Part

Rear Drum Bearing Kit
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