The part(s) or condition(s) listed below for the symptom Range vent hood motor is loud or noisy are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
Check the drive motor to determine if it is running. If the drive motor still runs, but [information to be provided], replace the motor. If the drive motor does not run, use a multimeter to test it for continuity. If the motor does not have continuity, replace it.
The exhaust fan motor bearings might be worn out. To determine if the motor bearings are worn out, try wiggling the motor shaft back and forth. The motor shaft should not move at all. If the motor shaft moves even by a slight amount, the motor bearings are worn out. If the bearings are worn, replace the motor. Do not attempt to lubricate or repair the motor—if the motor is defective, it must be replaced.
The fan motor bearings might be worn out. To determine if the motor bearings are worn out, try wiggling the motor shaft back and forth. The motor shaft should not move at all. If the motor shaft moves even by a slight amount, the motor bearings are worn out. If the bearings are worn, replace the motor. Do not attempt to lubricate or repair the motor—if the motor is defective, it must be replaced.
The blower motor bearings might be worn out. To determine if the motor bearings are worn out, try wiggling the motor shaft back and forth. The motor shaft should not move at all. If the motor shaft moves even by a slight amount, the motor bearings are worn out. If the bearings are worn, replace the motor. Do not attempt to repair or lubricate the motor—if the motor is defective, it must be replaced.