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Home  ›  How To Repair A Plastic Fuel Tank

How To Repair A Plastic Fuel Tank

Written By Sunday, June 19, 2022 Add Comment Edit

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Plastic gas tanks are in high demand in the globe of motorcycle racing and ATV enthusiasts. A plastic gas tank can weigh less than half of a comparable metal gas tank and it is like shooting fish in a barrel to mold into shapes to fit odd configurations. Seamless gas tanks seldom leak and are impervious to the rust and corrosion that affect metal tanks. If a plastic fuel tank does sustain small holes or tears, there are several fairly piece of cake means to brand the repair.

  1. 1

    Bleed the gasoline from the tank and let information technology to dry out. Sand the surface area around the hole or crack, and make clean the surface area with a shop cloth saturated with rubbing alcohol.[ane]

  2. 2

    Mix the 2 part epoxy together and employ all around the perimeter of the opening. [2] Cut a fiberglass patch large enough to comprehend the opening and overlap it.

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  3. 3

    Identify the fiberglass patch over the hole and press into the epoxy. Utilize more epoxy to the patch and surrounding area, pressing firmly to saturate the patch.

  4. 4

    Let to dry, sand the patched area smooth and spray paint with a plastic pigment if desired.

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  1. 1

    Buy or rent a plastic welder. Tell the salesperson what you are doing with information technology to ensure that you get the correct rods.

  2. 2

    Remove the plastic gas tank from the vehicle, and set information technology up in a secure welding area. Drain the gasoline from the tank, and allow it to dry both within and outside. Don protective heart gear, a welding helmet and welding gloves.

  3. 3

    Utilise a plastic welding rod fabricated peculiarly for this purpose, and fill in the crack or pigsty. Start at an edge and run the bead completely around the opening. Then begin crossing over the pigsty, allowing the rod to fill up in the hole completely.[3]

  4. 4

    Allow the weld to set up, sand it smooth and, if desired, paint it with plastic spray paint.

  5. v

    Replace the repaired plastic fuel tank on the vehicle.

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  1. 1

    Bleed the gas tank, and make clean it within and out with soapy water. [iv] Lightly sand the perimeter of the area to exist repaired.

  2. 2

    Cut a plastic patch, made of a like fabric to the gas tank, slightly larger than the hole to be repaired.

  3. 3

    Heat up an electric soldering gun, and drag it around the edge of the crack to create a trench. Move the gun from side to side to push button the plastic back into the trench. While the plastic is still soft from the soldering, lay the plastic patch over the area. Continue moving the soldering gun over the expanse to smooth the plastic, and fuse them together.[5]

  4. 4

    Let to cool and dry out completely. Mix a 2 function epoxy gum, and encompass the entire expanse of the patch.[vi] Permit to set up, sand and spray on a coat of plastic paint if desired.

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Add New Question

  • Question

    Is Flex Seal gasoline resistant?

    wikiHow Staff Editor

    This answer was written by 1 of our trained team of researchers who validated it for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    According to the manufacturer'south website, Flex Seal is not a good pick for sealing gasoline tanks. It's not fabricated to withstand a lot of oestrus or force per unit area, and it's not recommended for use with flammable liquids, such as gasoline.

  • Question

    How practise you lot fix a plastic gas tank on a lawnmower?

    wikiHow Staff Editor

    This answer was written past one of our trained squad of researchers who validated it for accurateness and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    A fiberglass repair patch will piece of work well for this chore. Bleed the tank and permit it dry completely beginning, and don't forget to sand the expanse effectually the leak or hole so that the adhesive compound tin can adhere properly.

  • Question

    Will Teflon tape seal in gasoline?

    wikiHow Staff Editor

    This reply was written by i of our trained team of researchers who validated it for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    No, the gasoline will somewhen break down the tape. If you want a quick and easy fix, a fiberglass patch is a better option.

  • Question

    Can I employ JB Weld on a gas tank?

    wikiHow Staff Editor

    This answer was written by one of our trained squad of researchers who validated it for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Reply

    J-B Weld tin can be used for a temporary wet repair to a gas tank. Follow the manufacturer's instructions and be sure to treat this every bit a temporary gear up before replacing your gas tank, as it'due south simply a curt-term patch-upwards solution.

  • Question

    Is J-B plastic weld gas resistant?

    wikiHow Staff Editor

    This reply was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    Co-ordinate to the manufacturer's website, "When fully cured, J-B Weld is completely resistant to h2o, gasoline, and about every other petroleum product or automotive chemic."

  • Question

    What type of plastic is used in fuel tanks?

    wikiHow Staff Editor

    This answer was written by i of our trained team of researchers who validated it for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    The primary type of plastic used in fuel tanks is loftier-density polyethylene (HDPE), and this shaped past a process known as "blow molding" (Wikipedia). Other plastics that may be present in fuel tanks include: Polypropylene (PP), regrind plastic (recycled polyethylene) and possibly plastic adhesives.

  • Question

    How do you lot prepare a leak in a gas tank?

    wikiHow Staff Editor

    This respond was written past 1 of our trained team of researchers who validated information technology for accuracy and comprehensiveness.

    wikiHow Staff Editor

    wikiHow Staff Editor

    Staff Answer

    Information technology is recommended that y'all follow the steps above, which explain how to seal small-scale holes and tears. If the hole or tear is large, it is likely beyond repair and will need to be replaced.

  • Question

    Can a seam in a lawnmower'due south plastic fuel tank be repaired using a hot glue gun?

    Community Answer

    Probably non. The best style to repair is a plastic welder with a plastic rod that matches the plastic of the tank.

  • Question

    Can I seal a plastic gas tank with fiber drinking glass?

    Community Answer

    Aye. Use a product chosen Tiger Paste, which is fiberglass and resin all in one. The tank MUST be clean of all dirt, grease and oil. Seal the entire tank except for filler and any vent pipes, or pick up tube openings.

  • Question

    What grit of sandpaper should I use to sand a plastic fuel tank?

    Community Answer

    Y'all should apply 80 or 100 grit sandpaper. lx grit will work, as well. The thought is to scuff the area, so that the epoxy will take a stronger bail.

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  • Using epoxy mucilage is the easiest way to seal a plastic fuel tank, merely it sometimes fails subsequently a brusk fourth dimension.

  • If using a plastic welder for the first time, practice before attempting to seal the plastic gas tank. The rental store should exist able to work with you lot to ensure that you lot have no problems.

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  • A plastic welder is prophylactic around gasoline and gasoline fumes, every bit it has a very high flash betoken. Nonetheless, use common sense and do not use near open flames.

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Things You lot'll Need

  • Plastic patches
  • 2 part epoxy glue
  • Fiberglass patch
  • Sandpaper
  • Store cloth
  • Rubbing alcohol
  • Plastic spray pigment
  • Plastic welder
  • Welding rods
  • Welding helmet
  • Welding gloves
  • Eye protection
  • Soldering gun

Almost This Article

Article Summary 10

To seal a plastic gas tank with epoxy mucilage, kickoff by draining the tank and letting information technology dry. And then, sand the area around the pigsty or crack with coarse grit sandpaper, and clean it with a cloth soaked in rubbing alcohol. Next, mix the epoxy gum, utilize it over the opening, and printing a fiberglass patch over the epoxy. Allow the epoxy dry, then smooth out any bumps or unevenness with sandpaper, and spray paint with plastic pigment if desired. To learn more, including how to seal a plastic gas tank with a plastic welder or soldering gun, scroll down.

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Source: https://www.wikihow.com/Seal-a-Plastic-Gas-Tank

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