JavaScript seems to be disabled in your browser. Shut off the engine to allow the tank to begin cooling. STORAGE & HANDLING: Store container at 70° F or cooler for maximum 3 year storage life. Work the putty into the hole and press the edges down around the area until it seals the leak. If irritation persists, get medical attention. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Please consider making a contribution to wikiHow today. Do not allow coating to drain to one area and dry. OR. If you are sealing a fiberglass tank, please refer to additional instructions provided. You must have JavaScript enabled in your browser to utilize the functionality of this website. I've used epoxy and fiberglass many times to repair a number of, "I have a 3-horsepower gas tank Gamefisher. In stock. Let tank stand for an additional 8 to 10 minutes with fill neck or sending unit open however, this time on a different side. A black plastic gas tank on a lawn mower is made of polyethylene. Plastic gas tanks are in high demand in the world of motorcycle racing and ATV enthusiasts. What type of plastic is used in fuel tanks? The best way to repair is a plastic welder with a plastic rod that matches the plastic of the tank. High temperatures and exposure to sunlight reduce normal storage life. A plastic gas tank can weigh less than half of a comparable metal gas tank and it is easy to mold into shapes to fit odd configurations. Permatex® Plastic Tank Repair Kit. The tank MUST be clean of all dirt, grease and oil. By using our site, you agree to our. Follow the directions of the rust removing product for the best results. Every dollar contributed enables us to keep providing high-quality how-to help to people like you. Let tank stand for 8-10 minutes with fill neck or sending unit open, then close openings and slowly rotate tank allowing excess to re-coat all surfaces. Get medical attention immediately. This plastic resists the chemicals in gasoline. If so, how? Red-Kote® is an internal fuel tank liner designed to seal leaks and prevent further rusting. Tank must be absolutely dry and free of water before applying sealer. FREE Shipping. Carefully read the supplied … If the seal is damaged or the cap cannot properly seal the tank, the lights will glow continuously. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fa\/Seal-a-Plastic-Gas-Tank-Step-1-Version-2.jpg\/v4-460px-Seal-a-Plastic-Gas-Tank-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/f\/fa\/Seal-a-Plastic-Gas-Tank-Step-1-Version-2.jpg\/aid1456175-v4-728px-Seal-a-Plastic-Gas-Tank-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"