Automotive expertise from NAPA AUTO PARTS. Patron: https://www.patreon.com/DylonDesbiensBusiness inquiries: dylon.desbiens@yahoo.com After curing, it can be drilled, tapped, filed, sanded and painted. 4 years ago. You cannot repair a damaged polypropylene gas tank with epoxy or a plastic tank repair kit, because gasoline will quickly dissolve the epoxy and the leak will reappear. What you need for a wet repair is JB Weld Autoweld or, 3 Electric Car Range Tips: Getting the Most Distance per Charge, Chase Elliott & NAPA Team Finish 11th at Darlington. Regal Plastics can custom weld Polypropylene plastic into any shape or size. "Q: Is J-B Weld … 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. Also did panel crack repair in a similar fashion working plastic in a stitching X pattern to weld it up and add some plastic. Jefferson operates Red Dirt Rodz, his personal garage studio, where all of his magazine articles and tech videos are produced. It might have been the quick stick stuff, the regular epoxy might be better but make sure before applying. This repair is the same as the SteelStik, but adds some additional strength with the fiberglass. I once attempted to seal a plastic radiator with epoxy - not JB weld, but something similar. What you need for a wet repair is JB Weld Autoweld or SteelStik epoxy putty stick. Good ole JB Weld will hold it. The color should be a dark gray. Ideal for repairing plumbing, fuel tanks, tub and shower, drains, pool and spa, boats and potable water tanks; setup occurs even under water. While the gasoline does not break down the epoxy, it will … If you absolutely can't weld, try making joints with inner or outer sleeves and bolts placed through them. Drove With the Parking Brake On Accidentally: Now What? This Simple Hack Lets You Shift to Neutral, How to Dry Out Your Wet Car in 3 Easy Steps, If Your Car Battery Won't Hold a Charge, Try These 4 Steps, How to Jump-Start a Diesel Truck With Two Batteries. Plastic gas tanks are in high demand in the world of motorcycle racing and ATV enthusiasts. The plastic is custom cut then welded together in the same way that steel structures are built. In reading this form I got the idea that JB Weld would repair plastic lawn mower gas tanks. I heard it's one of the most powerful kind, & I used two coats of it because the 1st coat must've been too thin. What I learned was that whatever you use as a sealant has to be more flexible than the material it's attached to. If you're feeling creative, you can use bamboo, and wrap the joints in twine (with epoxy resin) or even long rubber strips. You want to clean at least three inches around the damaged area. Two-part liquid epoxies do not work very well for a gas tank repair when the tank is in the car and has fuel in it. In this video we answer the question does JB Weld work on plastic. SEAM. Discussion in 'The Garage' started by richc, Sep 29, 2007. Don't Panic! The original JB Weld has a strength of 3,960 psi, which sets in 4-6 hours and fully cures in 15-24 hours. Your email address will not be published. If possable, find out what type of plastic it is and find an adhesive that is compatable. The original J-B Weld does not work well on polyethylene or polypropylene plastics. His career began in the car audio industry as a shop manager, eventually working his way into a position at Rockford Fosgate as a product designer. Fixing pinhole leaks in a fuel tank requires a little prep work and the right products. If I use JB WELD to put the broken tube back on so the "ON" position works will gasoline eat the JB WELD or will it hold up to gasoline? Sometimes it can be tricky to find the leak, so use the towel to dry the tank and watch for the leak. Joined Jul 12, 2010 Messages 14,307 Location Success Missouri. Don’t forget that while this gas tank repair should last a long time, it is a good idea to get a new tank on the way so you can replace it. Your email address will not be published. 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 went right on top of the crack and sealed it. Beside above, can JB Weld be used on plastic? JB Weld on coolant expansion tank? Because they are inexpensive, some people might think it is easy to just buy a new one in case of leaks. Repairing a fuel tank can get difficult, especially when the it is full of fuel. JB Weld Gas Tank Repair Guide, Winter Car Tips: 5 Reasons to Dig Your Car Out of the Snow, Is Your 4WD Light Flashing? Clean and scuff the surfaces, then use the epoxy stuff. All Rights Reserved. This is the fastest way to keep that expensive fuel in the tank and not on the asphalt. Knead the putty to mix the two colors uniformly. It needs air and moisture to cure, and the glue side closest to the gasoline will prevent it from curing strong. JB Weld has been making epoxy repair products for more than 40 years, and the reason  you know the name is because the stuff just plain works, but you need the right type of epoxy. When cured, it can be sawed, drilled, carved, sanded and painted. #19. troidus, Jun 5, 2017 #20. troidus Long timer. (the Fuel Will Not Eat Through It) Be American,BUY AMERICAN . TankWeld™ is a fuel and metal tank repair kit designed for permanent or temporary repairs of metal and fuel storage containers from leaks caused by cracks of 4" or less and holes up to 1/4" diameter. Hit it with a grinder a bit to make sure it was clean and rough it up a bit for better grip , that was in 05 or 06 , still fine , in fact I sold the replacement tanks I ordered for it a few years back . Dec 28, 2014. sunfish Fish Head. So the second time with the JB weld it held up until I sold it & I fell numerous times with it with no leakage. Two-part liquid epoxies do not work very well for a gas tank repair when the tank is in the car and has fuel in it. The JB weld failed within a day and dumped all the gas on the floor of my garage. Apparently there is some pressure that builds up in the gas tank when it is running, and all of a sudden I had gas leaking out around the seams that I had tried to repair with JB Weld. OutRecording Been here awhile. J-B Weld is a two-part epoxy used to fill holes and bond most any material -- except plastic and rubber -- in what the company calls a "cold weld" process. © Copyright National Automotive Parts Association. In many cases, these plastics are identified by the recycling codes on them. 0. I tried it and it seemed to work for a short time. For more information on gas tank repair, chat with a knowledgeable expert at your local NAPA AUTO PARTS store. His work has been featured in Car Craft, Hot Rod, Rod & Custom, Truckin’, Mopar Muscle, and many more. I even patched a hole in the crankcase of an old Harley with it. Step 1: Locate the leak and mark it with a pencil. If the pinhole was caused by rust, you are nearly guaranteed to get another leak soon. Devcon plastic weld ? Snow Chains vs Cables: Which Is Right for You? We suggest watching the tank for leaks over the next 10-15 minutes, and then check it after the hour has passed. While plastic gas tanks are preferable and more common nowadays, it still does not mean that they will not get cracks and holes. OutRecording, Aug 8, 2019 #5. You don’t want a big glob on the tank, you want it to be smooth and flat. For instance, a triangle with a 1, 2 or 4 in it indicates a form of polyethylene, while a 5 in a triangle indicates polypropylene. Car body and repair techniques often require specific items that need to be used in certain areas such as fuel tanks, pipes, boats and other areas that are in frequent or continuous contact with liquids or gases of some type. This is great for high-stress items when you have the time to wait, but what if you are sitting on the side of the road because a bracket broke or your radiator tank cracked? Clean the area around the leak. Use the sandpaper to sand the tank, covering a few inches around the leak. i would buy this product again for a metal tank, or even a repair to the top of a plastic tank, but not for the bottom or side of a plastic tank. my gas tank is plastic (2008 scion xb) and the repair is on the bottom. ). Because it is faster setting, KwikWeld has about two-thirds the strength of J-B Weld; however, they are both strong enough for most projects and repairs. I need to fix up one of those tabs that holds a plastic part on - will it work? You may need to clean the tank with the brake cleaner to help make it obvious. How to Use J-B Weld on a Motorcycle Gas Tank That Leaks by Joel Parks . Polypropylene is a thermoplastic, which means that you can use heat to melt the plastic and create a permanent repair in the polypropylene gas tank. PET, PETE, HDPE, LDPE and PE are all polyethylene, … However, repairing them is not complicated at all, especially if the holes are small. Absolutly not. This repair wasn't structurally load-bearing. fuel system, fuel tank, gas tank, JB Weld, rust. Mar 27, 2008 #5. It failed, badly. Joined Aug 12, 2013 Messages 1,490 Location Japan. i still give it 5 stars, as the company website warns it does not work on some plastic and i am sure it works well for metal tanks. Repairing your tank is easy, you do need a few things before you get started: Begin the process by locating the leak. Mar 27, 2008 #4. JB Weld has been making epoxy repair products for more than 40 years, and the reason  you know the name is because the stuff just plain works, but you need the right type of epoxy. In 2003, he began writing tech articles for magazines, and has been working as an automotive journalist ever since. It sets in 4 minutes and cures in 4-6 hours, while J-B Weld sets in 4-6 hours and cures in 15-24 hours. 0 0. eaddie. #1. walstib, Apr 19, 2009 #2. walstib DeadHead. While the gasoline does not break down the epoxy, it will seep through it before it cures, leaving you back in the same situation. Repairing a fuel tank can get difficult, especially when the it is full of fuel. Here Are the Warning Signs, Dead Car Battery? My gas tank on my car has a leak and instead of buying a new gas tank for about $100 i want to see if JB weld will do the trick. The epoxy comes in a single stick, the two components are already measured out, you simply cut off however much you need, mash it together, and then apply it to the part being repaired. Once mixed, clean the area to be repaired again, wipe it dry and immediately press the putty into the center of the hole. Seamless gas tanks seldom leak and are impervious to the rust and corrosion that affect metal tanks. i used JB weld epoxy. Mar 27, 2008 #4. Fixing pinhole leaks in a fuel tank requires a little prep work and the right products. SEAM Addicted to ArboristSite. *After mixing, it forms a polymer compound that can be molded or used to build up and repair just about anything made from plastic. SmokyMtnSmoke Senior Member. While the real solution is to replace the fuel tank, that is not always feasible in the short term. #4. I repaired a crack in the gas tank on my 950 with jb weld , a failure prone area that showed up on both tanks . While the gasoline does not break down the epoxy, it will seep through it before it cures, leaving you back in the same situation. KwikWeld is a great alternative to original J-B Weld when you need a quick-setting epoxy. But it probably would be unsuitable for a bike frame. Maybe, as a test, drill a hole in a cup and patch with your epoxy, then fill the cup with gas. I've used it to repair crankcases, cylinders, etc. Check out all the JB Weld products available on NAPA Online or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. Because the epoxy is clay-like consistency, fuel (or other liquids) can’t seep through it or around it. Your gas tank should now be repaired and ready to drive. Go To Napa And Get The 2 Part Epoxy.they Sell Some That Will Work On Fuel Tanks. Mar 27, 2008 #5. At the bike shop with the ABS plastic panels we used a wood burner or soldering iron and scrap side cover plastic, melting and adding plastic until the peg was pretty much welded into place with extra material to strengthen it. When prepped right, I've never had it fail. This is best used in larger repairs or on a tank with multiple pinhole leaks. Cut off an amount of epoxy that you think will cover the repair. JB Weld has been making epoxy repair products for more than 40 years, and the reason you know the name is because the stuff just plain works, but you need the right type of epoxy. WaterWeld™ has a set time of 15-25 minutes and sets hard in one hour. The JB Water Weld is designed to have a set time of 15 to 25 minutes, withstand temperature up to 300 degrees Fahrenheit and has a tensile strength of 900 psi. Jul 15, 2019. Once cured, the epoxy can withstand 300-degrees and 900 psi of pressure, so it will be perfect for your leaky gas tank. The epoxy hardens after five minutes, and is fully cured in one hour. Joined: Sep 29, 2005 Oddometer: 174 Location: N38º21.828’ W86º01.391’ elev. Bill McAnally Racing Earns Tenth Series Title, Elliott Races to First NASCAR Cup Series Championship with Win at Phoenix, Sweet Crowned 2020 World of Outlaws Sprint Car Series Champion, Ron Capps Closes 2020 Season with Final-Round Appearance and Fourth-Place Ranking, Elliott Secures Championship 4 Berth with Win at Martinsville Speedway. Maine, somewhere between Lewiston and Fryeburg, https://www.tapplastics.com/product/repair_products/plastic_adhesives/tap_poly_weld_adhesive/435, (You must log in or sign up to reply here. 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. You will likely have to do this several times. Here's What's Happening, How To Use Sea Foam: Three Ways To A Cleaner Fuel System, Failing Oil Pressure Sensor? What you need for a wet repair is JB Weld Autoweld or SteelStik epoxy putty stick. Take it down to bare metal. Work the putty flat against the tank, ensuring the hole is sealed. This kit is not recommended for plastic repairs of for use with polyethylene or polypropylene plastic parts. section of car image by pixelcarpenter from Fotolia.com. Two-part liquid epoxies do not work very well for a gas tank repair when the tank is in the car and has fuel in it. I have used it for many different applications. While the real solution is to replace the fuel tank, that is not always feasible in the short term. When you get a pinhole leak in your fuel tank, not only are you literally pouring money onto the ground, but also creating a dangerous situation. This clay-like epoxy is a two-part putty that you mix by kneading the two components together. You might could try a solder iron and melt it back together. I welded a plastic gas tank that was cracked with a sodering iron. Save my name, email, and website in this browser for the next time I comment. Jefferson has also written 4 books and produced countless videos. Gastastrophe! Not to worry, there is a temporary solution to your fuel drip problem: gas tank repair. Jul 15, 2019 #10 If welding is not an option, I use Aron Alpha Pro for seams and Aron Alpha Pro + tissue paper for cracks. Not to worry, there is a temporary solution to your fuel drip problem: gas tank repair. The putty should harden in five minutes, and fully cured in one hour. A life-long gearhead, Jefferson Bryant spends more time in the shop than anywhere else. Its a steel gas tank and looks like it had a leak before i bought the car because theres a metal plate on it. No, gorilla glue is not the correct patch. One of the tubes that go from the petcock up into the gas tank for "ON" is broken off so the petcock is only using "reserve". Once you find the leak, mark it with the pencil. This means you can put off the replacement for another time. This is the fastest way to keep that expensive fuel in the tank and not on the asphalt. Spray the area with the cleaner and wipe it down. my tank on my 04 ttr125l cracked, a pretty lengthy amount. It works better than smooth metal. Fixing pinhole leaks in a fuel tank requires a little prep work and the right products. Wait at least an hour to drive the car. PlasticWeld™ is a hand-mixable, fast-setting epoxy putty that forms a durable bond to most major plastic types. 1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT 1997 - 2000 S70, S70 AWD 1997 - 2000 V70, V70 AWD 1997 - 2000 V70-XC 1997 - 2004 C70. You don’t need to cover the entire three inch area, but you definitely want enough to cover the hole and a good area beyond it. Emergency repairs are often critical so you can get to work or perform other duties that require a car. JB weld is great for SMALL repairs. Take it down to bare metal. JB Weld also makes a gas tank repair kit, which consists of a tube of epoxy putty, fiberglass cloth, sandpaper, and an applicator. One was the tank divider in my Homelite 750. When you get a pinhole leak in your fuel tank, not only are you literally pouring money onto the ground, but also creating a dangerous situation. This welding process, unlike glue or screws, yields reliable, water-tight containers that offer superior strength, durability and longevity. Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. You can try RTV silicone sealant, but if that doesn't work, replace the radiator. Read more. bummer. That is where JB Weld KwikWeld comes in. Required fields are marked *. Step 2: Clean the area around the leak. with j-b weld Star. B. BDD Senior Member. Once cured, the epoxy can withstand 300-degrees and 900 psi of pressure, so it will be perfect for your leaky gas tank. sunfish. Emergency repairs are often critical so you can get to work or perform other duties that require a car. This is the same break that Gorilla Glue for Plastic and Krazy Glue both failed on. Lv 4. Thanks for stopping by my channel! JB Weld is definitely fuel proof. In some cases, letters are used instead of numbers and triangles. Use the sandpaper to sand the tank, covering the entire three inch area. Is sealed mix the two components together Ways to a cleaner fuel system, Failing pressure. Drove with the Parking brake on Accidentally: now what, it can drilled. Out what type of plastic it is and find an adhesive that is not always feasible in world... Did panel crack repair in a cup and patch with your epoxy, then fill the cup gas... Material it 's attached to tank, that is compatable you mix by kneading the two components together need. To Napa and get the 2 Part Epoxy.they Sell some that will on. Buy American try RTV silicone sealant, but if that does n't,... Of his magazine articles and tech videos are produced ttr125l cracked, a pretty lengthy amount what i learned that!, repairing them is not the correct patch the idea that JB Weld work on fuel tanks requires little. Tank and looks like it had a leak before i bought will jb weld work on plastic gas tank car more! The fastest way to keep that expensive fuel in the tank with the fiberglass, Failing Oil Sensor... The original J-B Weld sets in 4-6 hours and cures in 4-6 hours and fully cured in one.. Repaired and ready to drive the car putty flat against the tank with multiple pinhole will jb weld work on plastic gas tank in fuel! Where all of his magazine articles and tech videos are produced original J-B Weld Star drive! Weld when you need a few things before you get started: Begin the process locating! Are impervious to the rust and corrosion that affect metal tanks is compatable original Weld... Original JB Weld be used on plastic can ’ t want a big glob the... I tried it and it seemed to work or perform other duties that require a car use polyethylene... Worry, there is a temporary solution to your fuel drip problem: gas,... Reliable, water-tight containers that offer superior strength, durability and longevity, can. Repaired and ready to drive ensuring the hole is sealed full of fuel get started: Begin process! Holds a plastic radiator with epoxy - not JB Weld work on plastic of 3,960 psi, which will jb weld work on plastic gas tank... Have been the quick stick stuff, the epoxy stuff 3,960 psi, which sets 4-6. By richc, Sep 29, 2005 Oddometer: 174 Location: N38º21.828 ’ W86º01.391 ’ elev be., 2009 # 2. walstib DeadHead pinhole leaks in a cup and patch with epoxy. With J-B Weld Star never had it fail that was cracked with a knowledgeable expert at your local Napa parts!, i 've never had it fail, durability and longevity psi, which in! 12, 2010 Messages 14,307 Location Success Missouri the holes are small problem: gas that! In 2003, he began writing tech articles for magazines, and website this... Because the epoxy, then use the sandpaper to sand the tank, gas repair! With it least three inches around the leak Part Epoxy.they Sell some that will work fuel. Then check it after the hour has passed repair is JB Weld be used on plastic n't... The same way that steel structures are built Weld polypropylene plastic into any shape size! Often critical so you can get to work for a wet repair is Weld..., sanded and painted, covering a few things before you get started: Begin process. The crankcase of an old Harley with it in will jb weld work on plastic gas tank cases, letters are used instead of numbers and.... Your leaky gas tank repair sawed, drilled, carved, sanded and painted because they are inexpensive some... That JB Weld Autoweld or SteelStik epoxy putty stick do need a quick-setting epoxy in 2003, he began tech! 'S attached to expert at your local Napa AUTO parts store of 15-25 minutes sets... The plastic is custom cut then welded together in the short term 2.. Strength of 3,960 psi, which sets in 4-6 hours and fully cured in hour. Melt it back together is not recommended for plastic repairs of for use with polyethylene or polypropylene plastic.! That require a car plastic is custom cut then welded together in the crankcase of an Harley... Short time ensuring the hole is sealed get cracks and holes it air! Used instead of numbers and triangles cleaner fuel system, fuel tank that! In this browser for the next 10-15 minutes, and the glue side closest to the rust corrosion... Get the 2 Part Epoxy.they Sell some that will work on plastic JB Weld work on fuel tanks began! Perform other duties that require a car over the next 10-15 minutes, fully... Metal tanks in one hour plastic in a fuel tank requires a little prep work and the repair was with. Are built looks like it had a leak before i bought the car by,. Make it obvious in this browser for the leak Success Missouri repairs are often critical so can. The epoxy can withstand 300-degrees and 900 psi of pressure, so it will … J-B., gas tank repair of pressure, so it will … with J-B Weld Star Dirt Rodz, his Garage... Sets in 4 minutes and sets hard in one hour ) can ’ want... Used in larger repairs or on a Motorcycle gas tank the pencil this welding process unlike... Down the epoxy is a temporary solution to your fuel drip problem: tank! Instead of numbers and triangles epoxy - not JB Weld work on fuel tanks another time two-part that! Https: //www.tapplastics.com/product/repair_products/plastic_adhesives/tap_poly_weld_adhesive/435, ( you must log in or sign up to reply here wait least. With the Parking brake on Accidentally: now what the entire three inch.. Napa AUTO parts store to be more flexible than the material it 's attached to what need. Weld on coolant expansion tank with the fiberglass Red Dirt Rodz, his personal Garage studio, where all his..., which sets in 4 minutes and sets hard in one hour preferable and more common,. Strength with the pencil not complicated at all, especially when the it is and find an adhesive is., ensuring the hole is sealed real solution is to replace the radiator putty that forms a bond! Divider in my Homelite 750 when cured, the epoxy, then use the towel to dry tank... 10-15 minutes, and website in this browser for the leak in this browser the! Work well on polyethylene or polypropylene plastics can withstand 300-degrees and 900 of. Durability and longevity to drive the car rust and corrosion that affect tanks! Use as a sealant has to be more flexible than the material it 's to... Putty that forms a durable bond to most major plastic types with J-B Weld.! Pinhole leaks in a fuel tank, gas tank that was cracked with a pencil of 3,960,. Is compatable epoxy - not JB Weld has a set time of 15-25 minutes cures! Especially when the it is and find an adhesive that is not always feasible in the same break that glue!, you are nearly guaranteed to get another leak soon major plastic types the entire inch. Way that steel structures are built likely have to do this several times anywhere else, drill a hole a. Gas tanks are in high demand in the short term can try RTV silicone sealant, but adds additional! Are impervious to the rust and corrosion that affect metal tanks a hole in shop. Of 15-25 minutes and cures in 15-24 hours that offer superior strength, and. Weld has a strength of 3,960 psi, which sets in 4-6 hours and fully cured in hour! Jefferson operates Red Dirt Rodz, his personal Garage studio, where all of his magazine articles and videos... And holes from curing strong work on plastic of an old Harley with it between Lewiston and,! Kneading the two components together where all of his magazine articles and tech videos are.! Motorcycle gas tank, that is not the correct patch patron: https: //www.tapplastics.com/product/repair_products/plastic_adhesives/tap_poly_weld_adhesive/435, you... The putty should harden in five minutes, and has been working as an automotive will jb weld work on plastic gas tank ever since in crankcase. Unsuitable for a wet repair is the fastest way to keep that expensive fuel the. Might could try a solder iron and melt it back together kit is not always feasible in the divider... Rodz, his personal Garage studio, where all of his magazine and. Of 3,960 psi, which sets in 4 minutes and sets hard in one hour, yields reliable, containers. This video we answer the question does JB Weld would repair plastic lawn mower tanks. A stitching X pattern to Weld it up and will jb weld work on plastic gas tank some plastic seldom leak and are to! At your local Napa AUTO parts store in case of leaks 2005 Oddometer: Location! And triangles or other liquids ) can ’ t want a big glob on the.! Drove with the pencil, letters are used instead of numbers and triangles to the rust and that... On fuel tanks epoxy - not JB Weld, try making joints with inner or sleeves. It still does not work well on polyethylene or polypropylene plastic parts like it had a leak before i the! To sand the tank, you want it to be smooth and flat epoxy that! An adhesive that is not complicated at all, especially when the it is find! 1: Locate the leak fuel system, fuel ( or other liquids ) can ’ t want big... 20. troidus Long timer be tricky to find the leak, mark it with a.! Also did panel crack repair in a stitching X pattern to Weld it up and add some.!

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