Hoover carpet cleaner makes a loud grinding or rattling noise during operation

Safety first: Turn off and unplug the cleaner immediately to prevent further damage.

• Inspect brush area: Remove the nozzle and brushes. Look for coins, small toys, or stones lodged in the brush gear housing.
• Check gears: Access the brush drive gears and inspect for missing teeth or excessive wear. Replace the brush gear assembly if damaged.
• Check suction path: Remove the hose and nozzle, then inspect the suction inlet for foreign objects that may be hitting the fan.
• Motor bearings: If the noise comes from the motor area and persists with brushes removed, the suction motor bearings may be failing and the motor should be replaced.