Richard B Encino , CA October 10, 2015 Bad heating element Replaced heating elements on top and bottom. I wish I was more careful with the bottom element because it took a long time to get the connected out of the hole. The top oven took 5 minutes to replace. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Pliers, Screwdrivers