How to Repair Rust Problems in a Refrigerator body? If your old refrigerator still works but is in disrepair, you may save money by going to the hardware shop rather than the appliance retailer. With some automotive body putty and a can of spray paint, you can simply repair a rusted refrigerator door riddled with rust spots and holes. Because the repair necessitates the use of paint, you may even change the color of your appliance and enjoy the look of a new appliance without the expenditure of purchasing one. 1 1 - Turn off the refrigerator, remove the door, and position it in a good work location where you can sand and paint without making a mess. If you presently use the refrigerator, you will need to store the food somewhere else and keep it cool. 2. 2. To remove any rust or old paint flakes, sand the whole door and the rusty area surrounding the hole using 150-grit sandpaper. 1 . 3. Prepare the automotive body putty as directed on the...