Replacing your refrigerator gasket is good for the environment and your energy bills. It makes your refrigerator run more efficiently, and keeps your food fresher, longer! There are only a few materials you need for this simple do-it-yourself way to go green, and the project is easily completed in an afternoon. Take care, however, as the screws that attach the gasket may also secure the inside of the refrigerator door. With this useful guide, complete this task in no time.Assemble your materialsYou only need a few items to complete this project, many of which are probably around your house. A 4-in-one screwdriver is needed, as well as an Allen wrench and a hex head nut driver, depending on your refrigerator type. Petroleum jelly makes the process much easier, and of course you need a new gasket to replace the old one. Have all of these materials ready when you begin to make the process much easier!Assemble all your materials before you begin your project. Remove the old gasketFirst, open the refrigerator, and pull back the existing gasket. This reveals the gasket retainer and screws, which you should loosen using the hex head nut driver. Do not remove these screws, but loosen them so that you can slide the gasket out from underneath. It may help to soak the new gasket in warm water while removing the old one to make it easier to install.Soak the new gasket in warm water to make it flexible and easy to install. Install the new gasketOnce the old gasket is removed, slip the back of the new gasket into the retainer, and tighten the screws. Starting from one corner and moving to the sides and finally to the other corner, makes the process go more smoothly. Finally, apply a small amount of petroleum jelly to the edges of the gasket so it does not drag on the hinges of the refrigerator.Petroleum jelly reduces drag on the edges of the refrigerator. There you have it, it is that simple to replace your refrigerator gasket! Using these steps you can save energy and food by improving the efficiency of this important kitchen appliance.