Bruce B Smyrna , TN December 15, 2018 The oven fan motor was making a lot of noise Easy repair. Unplug oven. Remove back of oven, remove fan shroud inside oven, remove fan, remove motor, reinstall in reverse order. Didn't need the extra nut. Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Screwdrivers, Socket Set