Christina K Lake Elsinore , CA February 19, 2023 The worn out grate feet. Yes, you should change these oven grate feet. They will wear down like tires on a car. If you cook a lot and have put heavy pots on the stove, the little plastic feet will wear down. Change all 4 at the same time. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes