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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / October 2004gas tank seam repair
I have a gas tank seam thats oozes just a little but enough to be a fire hazard in garages. I have access to the seam area thats doing this and fixed a problem where the tankl was over pressurizing. Anyone know the latest material for sealing these seams from the outside? >I have a gas tank seam thats oozes just a little but enough to be a fire > hazard in garages. > I have access to the seam area thats doing this and fixed a problem where > the tankl was over pressurizing. Anyone know the latest material for > sealing these seams from the outside? I dont' know if it will work on the seam but I used a gas tank repair kit from NAPA that used Epoxy and a fiberglass piece to seal a puncture on my brother's gas tank. I imagine it should work on the seam too as the epoxy itself shrunk after it cured and stuck really well. It's just called "gas tank repair kit" as far as I remember. -Bruce > >I have a gas tank seam thats oozes just a little but enough to be a fire > > hazard in garages. [quoted text clipped - 9 lines] > > -Bruce The biggest problem with any fix of this type is to get the area clean down to the metal. Otherwise it won't stick that well long term. Bob >> >I have a gas tank seam thats oozes just a little but enough to be a fire >> > hazard in garages. [quoted text clipped - 18 lines] > > Bob My brother's gas tank was plastic so I used some brake cleaner to remove any dirt, oil, etc and then roughened it up with a file. It's been holding fine for at least 3 years now. -Bruce Working on two or three cars at a time is the pits. Maybe thats why they call 'the pits' 'pits'! lol... uh, yeah,. well, anwyays, as far as this gas tank thing goes, I'll defintely clean it good before trying to attach anything to it.Problem is metal expands and contracts that I dont think fiber glass resin will stick for too long over all the crazy seasons we have. I am working issues with the tank having over pressurized itself, and some emissions issues from my other posts. Maybe its all related, but I am really thinking the vacuum is screwy. Time to check it against the book with the gauges. When I got the car the charcoal cannister was not hooked up. The vents from both tanks were open there, and a bolt was shoved into the line to the intake. I am fairly sure I have that all settled. Thanks for the responses. ed <overwhelmed999@yahoo.com> wrote in news:MPG.1beb6dcce69fe445989690 @news.verizon.net: > well, anwyays, as far as this gas tank thing goes, I'll defintely clean > it good before trying to attach anything to it. I hope nobody needs to remind you not to use the angle grinder for that... ;) > Working on two or three cars at a time is the pits. Maybe thats why they > call 'the pits' 'pits'! lol... [quoted text clipped - 12 lines] > > Thanks for the responses. It's not a resin as far as I can tell, it's more of a two part epoxy that kind of makes a vulcanized rubber compound. Maybe epoxy isn't the correct word.. It's a two part adhesive that gets really hot if you don't use it fast. I was there mixing the two parts together and it got so hot, that I couldn't touch the bag to mix it. Needless to say, it hardened before I could even get the brush in it to spread it over the fiberglass. I tried using epoxy resin and, like you've mentioned, it couldn't hold up, cracked and broke and leaked again. Finally went back to Napa, got another kit and mixed it quick and slapped it on the tank. Haven't had a problem since. -Bruce Yeah, sparks are not a good thing around all that... I definitely don't want my driveway looking like the Challenger accident or anything. I like the idea of a rubberized or flexible answer. > Yeah, sparks are not a good thing around all that... I definitely don't > want my driveway looking like the Challenger accident or anything. I like > the idea of a rubberized or flexible answer. I have used the epoxy on what I thought was a clean area of the tank bottom. It only lasted a month or so and I could see gas under the epoxy. I vowed to only use it in an emergency. On a previous occasion I used that stick epoxy that you knead in your hands and that turned out to be permanent. With the original posters minor leak at the seam I bet the hard epoxy would work better. I like the sound of that putty as far as ease of use goes. I recall seeing that stuff in the hardware store. The metal on the tank looks fine except for an obvious cleaning it will need. It was well protected up under the contour of the rear fender , the seam just for whatever reason is seaping. I'll be trying it out and reporting back. I will know if it works or not rather quickly since I have a small spot on the ground whereever I park for a few hours. thx again.Anyone following me, will know this is just one of several 'family car' problems I'm working on at the same time. October sucks. |
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