KitchenAid Noisy Hood / Exhaust Fan

Microwave over-the-range hood fan is very noisy, rattles, or vibrates excessively when running.

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

Loose fan blade or squirrel cage, debris in fan housing, worn hood fan motor bearings, loose mounting hardware

Safety: Turn off power at the breaker before working on the hood fan.

Check filters and covers: Remove grease filters and inspect for loose parts or debris in the fan area.
Inspect fan wheel: Access the hood fan motor and check that the fan wheel is securely attached to the motor shaft.
Tighten hardware: Tighten any loose screws on the fan housing and mounting brackets.
Replace motor: If the motor is noisy due to worn bearings, replace the hood fan motor assembly.

Medium 3/5

Hood / Exhaust Fan Motor

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