Bosch Drum Imbalance / Support Component Wear

Bosch dryer produces loud banging or thumping noises during operation.

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.

Possible Causes

Flat-spotted drum rollers, Worn drum support wheels, Loose baffles inside drum, Foreign objects stuck in drum seam

Safety first: Unplug the dryer.

Check load: Overloaded or single heavy items (e.g., shoes) can cause banging. Run with a balanced load to see if noise persists.
Inspect drum interior: Check for loose drum baffles or objects trapped in the drum holes or seams.
Inspect rollers: Remove drum and examine rollers for flat spots or damage. Replace if worn.

Reassemble and test with a normal load to confirm the noise is resolved.

Medium 3/5

Drum Support Rollers

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