Move air effectively with this replacement fan blade, part number W10819914, made for select Maytag, Whirlpool, Jenn Air, KitchenAid, or Ikea Range/Stove/Oven or Oven/Microwave Combo.
The fan blade may be bent or sliding on the shaft and rubbing on the housing. Inspect the fan blade. If the fan blade is bent or damaged it will need to be replaced.