( I would thread the metal you use so the screws thread into it. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Showing inventory for … If you have a small pinhole leak in a metal gas tank, a two-part epoxy should work for you. Ideally, the repair will look even and consistent throughout. Metal tank--some of the epoxies will work sometimes. Dennis Aikman posted on December 20, 2018 03:06 . The best way to clean the tank is a several-step process that clears away the contamination and seals the metal against new corrosive materials that may cause the tank to rust or become damaged again. Keep it stuck in place by spreading a little bit of the body filler around its edges. NAPA used to sell a gas tank repair kit that worked great on metal tanks, It included sandpaper to rough up the patch area, a large plastic bag with the epoxy inside and an attached tube of hardener. Not for use on plastic fuel tanks; Kit for fuel transfer tank repairs cracks up to 4 in. For metal gas tanks, choose a Starter Kit. It must be made of particles of the metal that you repairing. Drain the gasoline from the polypropylene gas tank and remove the damaged polypropylene gas tank from the vehicle, per the vehicle's repair manual, with the mechanic's tool set. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. If the tank has holes more than 1 to 2 in (2.5 to 5.1 cm) in diameter, try welding instead. When there is a problem with a metal tank, there is often a loss of substrate due to corrosion. Clean the Water Tank Step 1 Empty the water tank to ensure the space around the leaky hole is dry. Gas Tank Metal Patch and Repair Filler. Tags: how to, november/december 2013, classic british motorcycles, I have never been a fan of using tank sealers, but sometimes you don't have a choice. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Welding requires you to drain the tank and clear it completely of fumes. Tech-Patch Reports- From Aging To Thermal Cycling, Burst Testing and more. If you’re working on a metal tank, get a stick welder. Both tools work by melting a welding rod onto the leak. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Lab Metal From Alvin Products is a one part ready to use patching compound for gas and fuel tanks. Apply the plastic piece onto the damaged area using tweezers. Removing a gas tank is often difficult work. If you only have a pinhole you can use a self drilling self tapping screw and seal up most leaks. Otherwise, open up nearby doors and windows. There are two obstacles that are not usually considered in the repair of a gas tank. Items needed for the repair of a plastic gas tank are listed below. Take it down to bare metal. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Every dollar contributed enables us to keep providing high-quality how-to help to people like you. Whenever there is a crack in a plastic or metal gas can, you need to drill a hole at each end of the crack to prevent that crack from widening. If the problem is a crack drill a small hole at each end of the crack. Should you need to repair holes and tears in metal and not have the ability to weld, consider another option. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. If the tank seems unusually heavy, then you will most likely need a steel rod to fix it. After the patch was fully welded into the cab we used a die grinder to knock any proud welds down and a DA sander with 80 grit paper to blend the weld seams. What's the best way to patch a small hole (it's about the size of a number 6 nail) in a gas tank? It is a little too heavy duty for a gas tank (without some sort of jig) since the base material needs to be heated to high temps which can cause warping. Lab Metal From Alvin Products is a one part ready to use patching compound for gas and fuel tanks. Safety glasses. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Park on solid, flat ground before attempting to lift the car. Eastwood's exclusive gas tank sealer kits have nearly everything you need to clean a rusty, old, varnished gas tank of all the fuel residue and gunk, and seal it with a virtually impervious internal coating. Last Updated: January 23, 2020 wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Cart All. Ready-to-use metal repair putty, dent filler and patching compound. when I found it still had a small leak, I ground all the dry weld off and did it again. For other devices, such as lawnmowers, refer to the owner’s manual for specific instructions on how to detach the tank. Best Sellers Prime Customer Service New Releases Today's Deals Find a Gift Books Gift Cards Kindle Books Fashion Pharmacy Toys & Games Amazon Basics Sell Amazon Home Computers Coupons Video Games Home Improvement Automotive Beauty … You may notice some uneven spots were you applied too much material by mistake, but these spots can be sanded flat later. Use the sandpaper to sand the tank, covering a few inches around the leak. Gas tanks are highly flammable, even after cleaning them. Any kits or products that say no need to clean or prep the surface are never going to work for common sense reasons. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Auf Lager . Step 5. Fixed a hole in a metal gas tank with "builders bog" aka "wood in a can". 0 0. Lv 6. Ideally, that substrate needs to be rebuilt to the extent possible. yes have welding skills its just the damn tank is to thin to … Include your email address to get a message when this question is answered. Durable metal filler for fast, permanent repairs. Then, spread the patch out so it’s flat against the remaining metal. The sanding does two things – cleans any paint, rust, and road grime from the gas tank repair area, as well as gives the epoxy something to grab onto. I use seal all with either a small patch of fiberglas or in a pinch a chunk. Unfortunately on my 1984 BMW 733i I am experiencing a fuel tank w… Water Pipeline Repair Resources and Reports, Requirements for ISO 24817 & Tech-Patch Compliance, How to repair a hole in a plastic tank – plastic welding | Tech-Bond (https://youtu.be/KSk9zWZEwdo). 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. Account & Lists Account Returns & Orders. Some types of putty don’t require mixing. Avoid using the tank until the putty has fully cured. Patch automotive, heavy equipment and machinery fuel tanks with Lab-metal. How to fix / repair your plastic gas tank and make it last! This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Motorcycle gas tanks will degrade over years of use due to weather, water left to sit in the tank or poor maintenance. i was convinced i had a permanent repair after 3 weeks, but my repair started to drip. Gas Tank Repair. One of these cases is a leak in your gas tank. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Return client. By signing up you are agreeing to receive emails according to our privacy policy. Use any cleaner that will not leave a residue. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This reduces the chance that you will scorch the surface of the gas tank, which will result in an ineffective repair. If you don’t have rubbing alcohol, you could get a commercial degreaser like WD-40. It looks like someone before me pulled out a dent and left small marks. I had a leak in the gas tank of an old Volvo wagon, which I fixed with an epoxy gas tank mender that I got at a parts store. Press the edges of the Tech-Patch down with your fingers. wikiHow's. You heat the copper tip with a flame well away from the gas tank. Step 4. Remove any gasoline residue from the gas tank by pouring 1 pt. You want to clean at least three inches around the damaged area. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Drain any remaining fuel from tank into plastic gas cans by slowly turning the tank over on its side toward the main access point. The damaged surface needs to roughed to a polished surface. Use the sandpaper to sand the tank, covering the entire three inch area. All the gas was drained before I did this. Step 9 - Final Clean up We've been helping billions of people around the world continue to learn, adapt, grow, and thrive for over a decade. 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