Othel A Port Charlotte , FL June 22, 2018 Appliance: KitchenAid 30" Built-In Electric Oven KESS907SSS00 Kitchenaid Range Kess907sss00: Door gaskets bad. How to replace Gasket Retainer. Ordered and installed replacement. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes