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    Thread: anyone know how to repair a gas tank?

    1. Member first9t!'s Avatar
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      08-17-2012 03:37 AM #1
      I guess when I installed my bags, I didnt realize that when I aired out my exhaust flange was being pushed into my gas tank, well just got home, and smelt gas. Put the car in the air and I have a pin size hole in the tank. Sucks I just put $50 in gas in it about a half hour ago. I have tomorrow off, so if anything I can drop the tank if I have to, but is there a way to patch it from the outside?


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      08-17-2012 04:44 AM #2
      Go buy a new one. If you find someone who is crazy enough to try for gods sake take it out of the car 1st.

    3. Member Jazzydub's Avatar
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      08-17-2012 09:58 AM #3
      Pretty sure my neighbor has a mk4 gti gas tank sitting in his field he'd probably sell if you need another one although I'm sure it can be patched. It's just plastic.
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      08-17-2012 03:27 PM #4
      If you want a repair instead of a replacement, I would use this stuff. Ive had good luck with it in the past. http://www.acehardware.com/product/i...03&cagpspn=pla
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      08-17-2012 03:37 PM #5
      If it's really just a pin hole... try and repair first. Be sure inspect your work often though as to avoid going up in flames. GL

    6. Member first9t!'s Avatar
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      08-18-2012 04:58 AM #6
      tried the repair stuff today and some other stuff I read about. Worked for about 20 minutes. then started leaking again. Buddy is parting his mk4 out, so I am buying his tank tomorrow
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    7. Member SGLoki's Avatar
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      08-18-2012 11:14 PM #7
      Quote Originally Posted by first9t! View Post
      tried the repair stuff today and some other stuff I read about. Worked for about 20 minutes. then started leaking again. Buddy is parting his mk4 out, so I am buying his tank tomorrow
      For reference if anyone else is searching, most gas tanks made of plastic are h.d.p.e (high density polyethylene) and can be patched with an appropriatehdpe epoxy after they are drained.

      If hdpe is soluble in a heavy petroleum distillate such as pure acetone, you can make your own by dissolving hdpe filings in the distillate, it will bond and harden when exposed to air....I make my own abs and pvc putty this way.
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    8. Member SenorBrandon's Avatar
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      08-19-2012 02:19 AM #8
      We used a tire plug patch kit to repair a fuel tank on my new beetle. It was only a temp until the new one came in monday but held all weekend.

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