Stihl Brush Roller Bearing / Gear Damage

Loud grinding or rattling noise from the brush area 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

Worn brush roller bearings, broken brush end caps, foreign object in brush housing, damaged brush drive gear

Safety: Unplug the unit before working near moving parts.

Remove brush roller: Take off the bottom plate and lift out the brush roller.
Inspect bearings: Spin the end caps or bearings by hand. Any roughness, wobble, or play indicates wear; replace the brush roller assembly.
Check for debris: Remove coins, screws, or hard objects lodged in the brush housing.
Inspect drive gear: If the brush is gear-driven, examine the plastic gear for missing teeth or cracks. Replace the gear or brush module if damaged.

Medium 3/5

Brush Roller Assembly

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