John A South Kortright , NY July 18, 2015 Appliance: Maytag Electric Wall Oven MEW5527BAB Maytag Oven Mew5527bab: I had totally ruined the racks by melting plastic on them. How to replace Rack- Oven. Replaced racks with new ones. Not tricky, but I was happy that the correct racks were sent to me, based upon the model number that I had typed in. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes