Thank you for taking the time to make and share this video. I have an old 1986 Chevy pick up that still runs great, but has a leaky fuel tank. This will definitely help!
Great stuff thanks man. Get most of the gas out, to reduce the pressure, do the same prep and put a tiny bit just on the crack and rub it in. If there is any evidence of tiny leak still, clean it with alcohol and put another light film. The key is to keep anything in between the metal and the putty. Once you stop the leak then clean with alcohol and light sand it and re-apply a second coat you will be in good shape. Hence this was the second coat because he already repaired it once.
Same thing on mine behind the backseat of my DTS someone screws into the metal of the car thru the gas tank did this work for u I wanna cut a square around the holes and take it out then cover the holes
Run your tank to as absolute close to E as you can. Then have the car wherever you are going to work on it and get the rest of fuel out if you can (many methods). Otherwise jack the vehicle up at an angle to where fuel isn’t on the inside touching the leak if that makes sense
I own 2 chainsaws with a metal fuel tank which leak along the edges where the tank meets the shroud. What should I use to seal those cracks? Can solder be used?
Thanks for the video. I would have used some 2000 grit sandpaper to go over the leak after cleaning the tank. That roughs it up just enough for what ever your using to grab onto. Brass brushes do more harm than good in most cases.
I think preparation of the surface is important. I cleaned the area very well with fine sandpaper so the metal was shiny, and jacked the car sideways so the gas level was real low over the crack when I applied the putty. I also used some of the putty to fill a hole in the floorboard. I check it from time to time, and so far....no more leaking and the floorboard hole is still nicely patched.
Follow up: One year has passed and the tank has begun to leak again in the same place. I scraped the epoxy and it peeled off the tank in big chunks, exposing the original tiny hole. I guess I'll either have to remove the tank and get it soldered.....or repeat the epoxy repair every year.
I have never had luck patching a crack or gouge with anything but here's a no leak gas tank fix for a screwdriver hole. drop your tank/drain it, drill the hole out the same size as a valve stem, fish the stem through the hole and put the nut on. Re install the tank. heres my advice and warnings . only drill your tank if you are confident the fumes are gone, use an inert gas to purge the tank/ flood with soapy water. Leave the valve core in the stem! as tempting as it is to decore it for quick drains dont rely on the dust cap alone. Valve stems were not designed to be tank repairs/drains. This should only be used temporary and checked regularly. I have seen this fix hold up years. I hope this helps somebody whos a victim of gas theft/road debry so they can get to work till pay day,
So someone screws holes thru the top of the gas tank behind the backseat into the metal of the car into the tank I don't see it leaking outside probably because it's one the top possibly when I drive but I do smell gas time to time especially when I put gas do you think I can cut a square around the holes then cover the holes with the job weld
Good upload, very instructional many thanks! I have a 2006 Mitsubishi Galant DE 4 Cyl 2.4L car and it's impossible to find a replacement fuel tank for some obscure reason (unless I spit out 400 bucks). The corrosion area is somewhere on the top and it leaks only when the tank is full. If I decide to do the fixing myself how do I handle this patchwork?
i had a leak on fuel cell at what GM called a "bad weld" where the fuel filler neck/check valve meet. GM is was remiss in honoring the recall. I did have to drop the fuel cell, as big a pain as it is, it did help. i used a product called Versa-Chem Tank Repair Kit.. I allowed 36 hours for the patch too cure, the tank had been drained. I preemptively replaced the fuel pump, after I removed the fuel pump I saw that it was possibly from another vehicle and had been modified. The patch seems to be doing well.
I thought I read somewhere once that if you use vinegar you need to make sure you clean it all off with water or something if you don't it'll continue to eat through the metal?
I've used PC-7 epoxy on gas leaks a few times and found it to be a very good permanent fix, although, I might try your stuff with the one that I'm about to do.
How did it work? Did it fix the leak? I am looking at a 1995 Toyota car Tue that the owner says needs a gas tank replacement, maybe I could just fix the leak? Will know more when I look at the car.
Several years ago when 4 wheeling my uncle hit a rock and ruptured his gas tank. I had a tube of this stuff called "Plastic filler for aluminum". We tried it and it stayed sealed for several years. They discontinued making that product, but it can be done.
@@FastestIntegra how long did you have the car after and did the leak come back during that time? This could potentially save me over $1000 dollars. I was gonna buy jb but saw your video
I did a quick emergency middle of a snow-storm, just hit a deer on the interstate in Indiana punctured and badly leaking gas tank repair - ROADSIDE! How? I smeared a bar of SOAP on it! That was in 1988. That big ugly Chevy suburban still runs, the wife refuses to let it go. Never a drop came out 'since that evil deer's wrinkle crack in the tank was sealed with a bar of shell gas station soap. Took 4 seconds to do the repair.
I don't really see what's got everyone all pissed off with the music, but whatever. Seems like a pretty straight forward thing to use. I have yet to find that Magnum putty stuff, but hopefully, other repair kits are similar enough.
jb weld slow cure is the best epoxy. the jb quickweld sux. but is not designed to apply to an active leak. sandpaper scratches help any epoxy stick. i live in texas and they never look under my car for inspection but if fuel was leaking where u can smell it i would fix it before the vapor kills you.
So the JB Weld that says it's especially for gas tanks doesn't work? I am genuinely curious because I have a couple piss holes in the tank of my 91 Chevy Silverado and the guys at advanced auto swear that it works everyday and twice on Sunday.
They just hit me hey will this patch a drill hole? Tryna cheap fix i have a boxtruck and the tank is over $1000 do these idiots know that air cold air fuel and spark could of blown them up idiots
Most don't mention but don't use sand paper to clean off tank, unless completely dry and disconnected, use brass brush like him. Sand paper can cause spark and ignite the works.. so take caution.. 😌
a leaky gas tank can trigger an obd2 fault code(engine light) that will stop you from passing even in texas. gas tanks have vapor recovery systems that work with engine vacuum.
thanks for sharing. you may have gone a bit overboard with the cleaning and scraping cause i would think you only needed to clean right where you were applying the patch (where as you did a lot bigger area hey), but i guess you were being thorough. safer to do too much then too little lol. Also that old putty stuff really bonded well hey? judging by hard it was to remove it.
Not to be critical but I noticed that the brush that you were using wasn't that metal or some kind of copper would that cause Spark and I could be wrong maybe a toothbrush would be better I'm just saying
I have currently have a gas leak right in that area somewhere. one mechanic seemed to identify it .while another didn't identify it..i have some stuff called Steel Stik it's supposed to be the best !! I got it from O reillys..i need it done asap bcuz I'm waiting aloy of money constantly putting gas in the truck and it's just seeping out less than 10 miles.and he said it was a small crack.
Put some on my tank, did hold up for 5 days then it made its way through the same spot. But I did not use vinegar and did not clean it so will attempt a second try. Thanks
FastestIntegra i was wondering how long did it last? And do i have to knock off the jb weld or can I just repatch over it? I just bought this car and noticed the patch was leaking a slow drip like yours please let me know thanks for the vid!
This is a great video. But I am most eager to know if same product and procedure will work on a tiny gas line leak about 2 feet from the gas tank on my car?
