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Old 2 Weeks Ago   #1
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Leaking fuel tank

My 4x4 141A 1108 Panda from 2003 is leaking fuel but only when the tank if freshly filled up and top full. Still, I wanna fix it. Should I replace the whole tank or can this be fixed by welding? Thanks
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Old 2 Weeks Ago   #2
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Re: Leaking fuel tank

Are you sure it's the tank that's leaking?

More likely to be one of the flexible hoses that connect to the top of the tank.
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Old 1 Week Ago   #3
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I just figured it does also still leak when the tank is not full anymore.
It only started leaking after I brushed it a little with a metal brush to remove some rust before I applied some rust converter...

Should I take down the whole tank to inspect it?

If I replaced it, where can I get a new one from and what exact model do I need?

I found this one which is whopping $500 http://www.tank-fuel-spare.com/tank-...003-scbt4.html
And this one for cheap $200 https://www.ebay.co.uk/itm/PETROL-FU...D/382032268181
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Last edited by alberto2000; 1 Week Ago at 19:29.
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Old 1 Week Ago   #4
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Re: Leaking fuel tank

Sorry to say, but from your pictures it does look as if a new tank is going to be needed. Often steel tanks rust on the top (we were for ever doing them on the Morris Marina I remember for just this reason - didn't look too bad in the car but when you dropped them out the top, which you couldn't see, was covered in damp road debris and rusted through like a pepper pot!)

You used to be able to buy a thick paint on substance (was it called "Petropatch"?) which cured a bit like glass fibre. Many years ago I used it with some success but after a while the tank just started leaking somewhere else!

Welding petrol tanks? A very risky undertaking. The only one I've ever done was when I was very young and ignorant. I had a single pot 350 AJS - which I loved dearly. It started weeping slightly, which is not good right above the engine! I removed the tank and used the college (I was still at automotive college) steam cleaner to thoroughly steam out the inside. The welding went without incident and the leak was cured but the welding instructor came in half way through my endeavours and nearly had a heart attack when he saw what I was doing! He calmed down when I told him it had been fully steamed out and anyway was only a small tank but I got a very stiff lecture about the potentially horrendous consequences of welding fuel tanks!
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Old 1 Week Ago   #5
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Re: Leaking fuel tank

Thanks for your thorough response.

Any advice on where to order a new tank and which model to choose?
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Old 6 Days Ago   #6
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Re: Leaking fuel tank

hmm that does look like the seam of a bit more up from that.

have you seen this fix that i did a few years ago?

the tank is still holding fuel with no leaks!

https://www.fiatforum.com/panda-clas...marbellas.html
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