Bosch Drive Wheel Bearing Wear

Robot vacuum emits a high‑pitched squeal when moving, especially when turning.

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

Dry or worn wheel bearings, Debris in wheel axle, Damaged wheel bushings

Safety first: Turn the robot OFF and place it upside down.

1. Spin wheels by hand: Rotate each drive wheel and listen for squealing or grinding.
2. Clean around axles: Remove hair and debris from the wheel axles and suspension area.
3. Do not lubricate with oil: Avoid applying household oils, which can attract dust. If lubrication is needed, use a small amount of dry PTFE lubricant sparingly and only on accessible metal pivots, not on rubber treads.
4. Persistent squeal: Replace the drive wheel assemblies if noise continues.

Medium 3/5

Drive Wheel Assembly

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