Ron N Menomonee Falls , WI September 15, 2014 Appliance: Maytag Self Cleaning Free Standing Gas Range MGR5729ADW Maytag Range Mgr5729adw: Oven racks no longer shiny. How to replace Oven Rack. Appliances will be sold with the house so the old oven racks were no longer shiny. Replacement racks present a better looking oven. 12 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes