Blomberg Drum Bearing or Drive Pulley Fault

Washer produces a high-pitched squeal or grinding noise when spinning

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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

Worn drum bearings, Loose or damaged drum pulley, Foreign object trapped between drum and tub, Worn motor bearings

How to Fix / Troubleshooting

Safety first: Unplug the washer before removing panels. Avoid running the machine if grinding is severe.

Step-by-step checks:

  • Check for foreign objects: Shine a light through the drum holes to look for bra wires or small objects between drum and tub. Remove via heater opening or sump hose if found.
  • Inspect drum pulley: Remove the rear panel and check the drum pulley bolt. Tighten if loose and inspect for cracks.
  • Assess bearings: Rotate the drum by hand. If you hear grinding or feel roughness, the bearings are likely worn. This typically requires replacing the rear tub half or complete tub assembly.
  • Motor noise: Run the motor without the belt (if safe and possible) to isolate motor bearing noise. Replace the motor if noisy.
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Repair Difficulty

Professional Required 5/5

Required Part

Rear Drum Bearing / Tub Assembly
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