How to Repair a Leaking Metal Fuel Tank Without Welding
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- Опубликовано: 29 сен 2024
- How to repair a leaking metal fuel tank without welding. I haven’t tried this method on a plastic fuel tank, but this procedure can possible be used on that as well. Unfortunately on my 1984 BMW 733i I am experiencing a fuel tank when the tank is full. At first I expected this to be a faulty rubber line, but unfortunately that wasn’t the case after it was removed. #oemtools #bmw #rustrepair
Surface sander: www.mobiledist...
Amazon links for various products used in the video for both USA and Canada:
USA
Tank sealant: amzn.to/3s7hCeR
Wax and grease remover: amzn.to/2M6xvCV
Etch primer: amzn.to/3qXvxUm
Filler Primer: amzn.to/3iQSOnT
220 grit sandpaper: amzn.to/3sZf5V7
400 grit sandpaper: amzn.to/3qOEO0G
Chemical rust treatment: amzn.to/3onBdoE
Polyurethane film: amzn.to/2ZtKJwz
Foam vibration pads: amzn.to/3udVL7e
Canada
Tank sealant: amzn.to/37owVHV
Wax and grease remover: amzn.to/39nLn4F
Etch primer: amzn.to/3aaS5tE
Filler Primer: amzn.to/2NucGl5
220 grit sandpaper: amzn.to/2YjmoJe
400 grit sandpaper: amzn.to/3qVYXlK
Chemical rust treatment: amzn.to/3osNlVK
Polyurethane film: amzn.to/3qLnqKw
Foam vibration pads: amzn.to/2Nn9iJ3
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Tools/Supplies Needed:
-tank sealant (PR-1422 CLASS B FUEL TANK SEALANT SEMKIT - B2)
-grinder
-primer (etching and filler)
-sandpaper
-sandblaster
-rust converter
-paint
-degreaser
-polyurethane film
-foam vibration pads
Procedure:
Remove the tank from the vehicle, removal procedures will vary. Using a gas can, I put a rag over the filler hole to strain any dirt out the fuel. If you are refinishing the whole tank, remove any coating, fuel pump, and any other items.
An old trick is running exhaust fumes through the tank, I let the fumes run for about an hour. The longer it airs out, the better. In addition to this, the tank can also be washed out with soap and water. Or it can also be filled with argon which is used for mig welding when cleaning up those rusty areas. Using a heat gun and a plastic scraper, remove the wax coating. Then use a degreaser to clean the surface.
The most efficient was to remove rust in these hard to reach areas is using a media blaster. If you don’t have access to sanding blasting equipment, you can use a surface sander too with 80 grit sanding discs. While I can strip the whole tank to bare steel, it really isn’t need. Others areas which has rust will be address and repaired accordingly.
Sand those areas where the rust was with 220 grit sandpaper. Use a wax and grease remover to clean up the tank again, removing any dust or contaminants on the surface. Apply etch primer to the bare metal, 2-3 coats are needed. If rust is left on some areas, a rust converter can be used to remove or neutralize the rust. Follow the products instructions for the application process.
Here I have an aircraft grade fuel tank sealant. This is a two part product, the activator is in the long tube. Mix the activator as per the products requirements.
Apply the sealant to the leaking areas, smoothen it out using a stick or by hand. Work times will vary depending on the protect along with it's cure time. Make sure you’re far enough past the leaking areas to provide a strong bond and this will provide and excellent seal.
Once hardened, I used 220 grit to sand out the sealant, again I’m not trying to make this repair completely hidden but I also want it to look responsibly clean. The rest of the tank will be sanded with 400 grit sandpaper to provide a bond for the new paint. For irregular shapes, a 400 grit scuffing pad can be used.
Clean the tank and wipe it down with a degreaser.
Apply a filler primer over the etch primer, 2 to 3 coats are needed. Once the primer has dried, sand the tank down using 400 grit sandpaper and abrasive pads.
Clean the tank again using a degreaser before paint is applied. Paint choices can vary, I am using a farm equipment implement paint which is extremely durable. Tape off any areas as needed, then apply the paint.
After the paint has dried, the vibration and squeak coatings will need to be replaced.
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All Rights Reserved
No part of this video or any of its contents may be reproduced, copied, modified or adapted, without the prior written consent of the author.
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Amazon links for various products used in the video for both USA and Canada:
USA
Tank sealant: amzn.to/3s7hCeR
Wax and grease remover: amzn.to/2M6xvCV
Etch primer: amzn.to/3qXvxUm
Filler Primer: amzn.to/3iQSOnT
220 grit sandpaper: amzn.to/3sZf5V7
400 grit sandpaper: amzn.to/3qOEO0G
Chemical rust treatment: amzn.to/3onBdoE
Polyurethane film: amzn.to/2ZtKJwz
Foam vibration pads: amzn.to/3udVL7e
Canada
Tank sealant: amzn.to/37owVHV
Wax and grease remover: amzn.to/39nLn4F
Etch primer: amzn.to/3aaS5tE
Filler Primer: amzn.to/2NucGl5
220 grit sandpaper: amzn.to/2YjmoJe
400 grit sandpaper: amzn.to/3qVYXlK
Chemical rust treatment: amzn.to/3osNlVK
Polyurethane film: amzn.to/3qLnqKw
Foam vibration pads: amzn.to/2Nn9iJ3
Gt video. I had a fight w a boulder...and lost. I have a tiny leak in my steel long ranger tank. It is diesel. I have tried everything whilst not removing the tank. Quick steel potties. Failed in 2 days. Jb tank weld...lasted 2 wks. So far hard soap has worked best...lasted 14 days without further attention. Now I re plug with soap daily.
Tank removal is awkward and time consuming but everything I have tried has eventually failed. Soooooooo looks like I am up for tank removal. I intend to get it welded by a pro. Enjoyed yr vid. Thankyou.
Thank you! Ranger diesel, it must be the old Perkins version?
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Nice video. Moves fast, presumably because it's long. Would be good if we could see a thumbnail pic of each product can for maybe 10 secs as we go along, because it's hard to write down the names when you say them fast. Links to suppliers would also be handy. Very much appreciate the good filming and explanation.
Check out the video description, I have the list of supplies used in the video.
I have a 79 Cutlass leaking gas from the tank
Pretty sure its from the seams on the side
Leaks when half full
...wondering if i should just buy a new tank
Any suggestions?
Gee...wish you could fix it for me...how much to fix?
New subscriber 👍😊
Thanks bro
No problem and thank you so much for the support, greatly appreciated!
@@4DIYers more videos! 😊
I second the question, Where's the name or link to the patch compound? it's not in the video description above.
In the video description under the tools/material list.
Somebody gave me a 1966 Rambler classic the other day with the leaking gas tank, I'm going to drop the tank this week or so, boy I'm scared
Best of luck! Might be able to find a reproduction tank for that too. Not sure what extent of a restoration you're doing.
@@4DIYers I just need it for work for the time being then I may sell it to an old timer who loves these cars if I haven't fallen in love with it yet. I'm excited about it now
Man all BMW tanks are leaking lol im redoing a 82 5 series. How long did it take?
Nice when can you do my car . Lol
So a spark might ignite the fumes in the tank, but it is ok to hook it up to a car's exhaust to "dry" it out?!?!
Well you shouldn't have sparks coming out of your tailpipe. A muffler and a resonator, along with the long length of exhaust works like a spark arrester. If you start having any of those components missing or if your vehicle backfires, then it's something I wouldn't recommend. Instead fill the tank with an inert gas.
Nobleton John deere
A first class job, very professional, makes me want to tackle my RAV4 tank, thanks for sharing 👍😃
Thank you so much for the feedback!
Seems a bit overkill to me but fantastic job.
I don't know if I would have the patience ! But still, as usual, a really informative video think I will give my garage the task on my E38 !!! Thanks, regards Andrew
Thank you Andrew! You can always do a spot fix too instead of redoing the whole tank. I've heard this can be a common problem for E38s. I had to do this on my E32 years ago.
@@4DIYers I also had the problem on my E32 ! The Blic tank(Half the price of BMW !) has arrived and is being fitted Friday. The car is on 184k so deserves the new tank investment. regards Andrew.
I really enjoyed this video and your attention to detail. I'm currently sorting out a gas tank with similar issues so this video was a great reference. Thanks!
Thank you so much!
Is the fix still holding? Any leaks?
No issues at all, still holding up great.
Such an overkill you do realize this goes underneath the car right?
Super video !! Keep it up!!
Thank you very much!
Well done! Thank you for your clear explanation of the products that you used.
Thank you :)
Very professional work man! This tank will outlast the car.
Thank you :)
Dang. Nice work.
Thank you!
many years ago I fix my tank using JB weld putting in a coin 25 cents and press the coin in the hole wait for 5 minutes and than just cover the coin until disappear with more jb well in one hour was dry refill the tank with gasoline and the 25 cents were there forever
Impressive repair!
You can weld it safely by filling the tank completely with water or sand. You remove the air from inside and space it cant explode
This is amazing. I came to look for a video regarding fuel tank repair and it just so happens to be for my 1986 BMW L7 hahaha!
Interesting. I actually watched it all.
Nice work man! Very clear and concise.
Thank you!
Super profesional job. Thanks
Thank you :)
always pour from the side when its a rectangular can.....dont pour from the front
im fixing my car and it has pinholes at the top caused by rust and this dude explains how to fix everything and make it look like a professional did it to.
Thank you so much for the feedback!
@@4DIYers no thank you for the excellent video I'm trying to follow it exactly
geezous.. after all that or you could just buy a new tank for around 200 bucks and be done with it.
Out of about the 12yrs I've owned this car, I've never seen one in a wrecking yard and I've only seen a couple people offering parts, but they were easily a couple hours away driving. I could order a tank from the US, but it would cost me $200 just for shipping. A new tank is probably around $1000 and a dealer item only, I can't imagine too many aftermarket companies offering a replacement. The same method was used on a newer 7 series I had, that was over 12yrs ago and I couldn't find a used tank for it either.
Very helpful video. Thank you for sharing! Liked how thorough you were with it. You made that tank look brand new. 🙌
Thank you so much, I really appreciate the kind words and feedback!
Not exactly sure but , oh it was by the buck saw right when I got here the second time this stayed sentence
Wish I'd seen this before getting my fuel pump replaced. would have tackled all the cosmetic/preventative stuff you detailed here. And in SW Ontario, gas tank repair is very expensive, distant, and you have a very long downtime. And as you point out, a new tank can be cost prohibitive.
Especially if the person has rusted brakelines... The mechanic wouldnt want to work on the task because they are scared they will create more problems.
Where's the name or link to the patch compound? it's not in the video description above.
i went in for a wof, and did not expect this to be my failure,
iv had my car taken from me by the garage, for the last 3 weeks due to leak at the top of my tank, turns out its similar to yours in this video, i told the guy to scrape and weld or surely there is a resin or putty, anything that can be done,
he refused for the sake of explosion and insisted on a second hand replacement, he has had three tanks delivered all unable to be fitted.
and the guys at the garage wont let me drive it away. no tanks around new zealand, they now talking about sourcing one from south korea.
before it gets pricey why wont anyone fix it like you just did? the car is a 2011 hyundai elantra, its been good to me and still has low miles.
Not sure why they'd refuse a used tank other than having possible rust if it's a common issue. Some shops just rather replace parts instead of fixing what's there. At times it can be cheaper to replace than repair, but in other situations they just don't want to be bothered.
Holy cow. You put a lot of work into that gas tank.
Boom
WOW.
this is absolutely amazing
Thank you!
How do I get rid of existing surface rust?
What about the interior? If mine looks very old, is there a mixture to treat the interior as well? Great video!!
Thank you :) There are rust removing chemicals that are available on the market which you dump into a tank, then let it soak for a period of time. I haven't used any, so unfortunately I can't specify which products would be the best.
Drano drain cleaner,wear gloves and eye goggles.Dilute,dilute,dilute,at disposal.
Wow, amazing work. Tank looks brand new. Very nice video and tone of voice too.
what was the patch liquid that you used
It's in the video description.
Thanks for the video the tank looks great
Thank you!
Where are you in canada?
this may work for my 96 discovery, but i may rubberizing paints.
I would avoid rubberized paints on metal. It may dissolve from fuel and can trap in moisture causing more rust eventually.
Well done
These are always fun to watch
Thank you :)
Nice work. Thanks for sharing.
Thank you :)
OMG. I’d go buy a new car. :)
Well if you'd like to contribute financially, I'd be more than happy to buy myself a new car. I'm still keeping this one though ;)
Very clean work👍
Thank you!
Nice repair and refinish project . Thumbs Up!
Thank you and I appreciate the support :)
Should I start recording every step of my ways of daze.or video to show the deaf can hear anytime needed to compare my path