Scott M Creswell , OR December 28, 2014 Appliance: Model 317B6641P001 Oven would only heat at 450° Easy repair. Replaced the oven thermostat control. Screwdriver only repair. The whole job took only 20 minutes, which included sweeping behind the stove! 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes