If your Kenmore range vent hood is making a loud or unusual noise, the exhaust fan motor is the most likely cause. Worn motor bearings can make the fan noisy, especially when the motor shaft has even slight back-and-forth movement. Disconnect power, then check the shaft for play. Some older, larger Kenmore range vent hood motors have oil spouts, so lubricating the bearings may help the fan turn freely. If the noise continues, the bearings cannot be lubricated, or the shaft is loose, replace the exhaust fan motor, fan motor, blower motor, or vent fan motor as applicable. A loose or worn blower wheel is the next likely cause. Check whether the wheel has shifted on the motor shaft and is scraping the fan housing. A loose or worn fan blade can create the same range making loud noise symptom, so make sure it is secure and not contacting the housing. Enter your Kenmore range vent hood model number to find the exact replacement part for your specific machine, including the correct motor, blower wheel, or fan blade.
01 - Kenmore Range Vent Hood Exhaust Fan Motor
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. Some older, larger motors have oil spouts. If your motor has oil spouts, try adding oil to the motor bearings to get the fan to turn freely. If lubricating the motor bearings does not solve the problem, or if the motor can’t be lubricated, replace the exhaust fan motor.
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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. Some older, larger motors have oil spouts. If your motor has oil spouts, try adding oil to the motor bearings to get the fan to turn freely. If lubricating the motor bearings does not solve the problem, or if the motor can’t be lubricated, replace the exhaust fan motor.
The exhaust 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. Some older, larger motors have oil spouts. If your motor has oil spouts, try adding oil to the motor bearings to get the fan to turn freely. If lubricating the motor bearings does not solve the problem, or if the motor can’t be lubricated, replace the exhaust fan motor.
Usually, when the vent fan motor is noisy, it indicates that the motor shaft bearings are worn out. Some older, larger motors have oil spouts. If your motor has oil spouts, try adding oil to the motor bearings to get the fan to turn freely. If lubricating the motor bearings does not solve the problem, or if the motor can’t be lubricated, replace the vent fan motor.
The blower wheel might be worn out and loose on the motor shaft causing it scrape on the fan housing. Check to make sure the wheel is tight on the motor shaft and has not slipped on the shaft causing it to contact the fan housing. If the blower wheel is loose on the motor shaft it should be replaced.
The fan blade might be worn out and loose on the motor shaft causing it scrape on the fan housing. Check to make sure the blade is tight on the motor shaft and has not slipped on the shaft causing it to contact the fan housing. If the fan blade is loose on the motor shaft it should be replaced.