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petrol tank leak 

 

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 Post subject: petrol tank leak
Posted: Sat Jun 28, 2008 4:45 am 
Tyre Shredder
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i just found out my petrol tank has a very small leak (so prob wont pass a roadworthy) and was wanting to know if there is any way i can seal it without swapping the tank (when i find the leak) i was wanting to know if i could fix it with something like liquid nail or some other sealer like that?


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Posted: Sat Jun 28, 2008 6:46 am 
Getting Side Ways
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You can actually buy stuff to stop leaks in a fuel tank, I cant remember what it is called but you mix it together in your hand like play-doe and when it dries it is rock hard. Used it on my ex-missus tank had a small leak worked a treat, that was about 3 years ago still holding now. I think you can buy it from BP but if they don't sell it any car place will like Repco or something like that.

 

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Posted: Sat Jun 28, 2008 10:23 am 
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works great I have used it

 

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Posted: Sat Jun 28, 2008 11:16 am 
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yeah ya local automotive store sells it there is a plastic compound one and one for metal tanks.. some similair to an aproxie glue (can't spell but can say it) few easy steps job done.

 

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Posted: Sun Jun 29, 2008 9:27 pm 
Getting Side Ways
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I tried to use some of that stuff to stop coolant from leaking out of an intake manifold i had, but it was s**t. It set real hard, but didn't stick very well. Maybe i didn't prepare the surface well enough, but i think coolant kept bleeding out and i couldn't stop that without taking the manifold off.

I reckon you would definitely need one designed for plastic to do your tank, but you will have the same problem of petrol bleeding into the situation and stuffing the bond.

I would consider alternatives. How about drilling a small hole then putting a screw in, with a washer under the head. I did the equivalent of this with my situation and it worked for quite a while, until despite my warning a mechanic screwed the radiator cap on all the way. Mechanical fasteners can often be more trustworthy than chemical fasteners.

 

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Last edited by relaxed_diplomacy on Sun Jun 29, 2008 9:32 pm, edited 1 time in total.

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Posted: Sun Jun 29, 2008 9:31 pm 
Tyre Shredder
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after having a better look i think it is a hose that is leaking so will replace em first
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