Dirt Devil
Suction Motor Bearing Wear
Vacuum runs but makes a loud high-pitched whine from the main body
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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 motor bearings, Dust ingress into motor, Imbalanced motor fan
How to Fix / Troubleshooting
Safety first: Remove the battery and do not run the motor for extended periods while it is noisy; it may fail suddenly.
- Step 1 – Rule out simple causes: Remove the dirt cup and filters, then briefly run the motor. If the whine persists with all accessories removed, the noise is internal to the motor.
- Step 2 – Check for foreign objects: Inspect the motor inlet area for small debris contacting the fan.
- Step 3 – Replace motor assembly: Dirt Devil suction motors are not serviceable. Replace the complete motor housing or main body assembly specified for your model.
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Repair Difficulty
Hard
4/5
Required Part
Suction Motor Assembly
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