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Fuel leak where line enters fuel tank

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Fuel leak where line enters fuel tank k-man 08-14-2008
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Posted by k-man on August 14, 2008, 2:30 pm


Hi. I hope this is the right group to post this question. I have a
weed whacker/trimmer and the fuel line goes from the carb into the
fuel tank via a hole in the fuel tank (instead of there being a
connector on the fuel tank). Original fuel line was OK in that it was
thick and filled the hole pretty well. I had a replace the fuel line
and while the new line appeared to be the same outer diameter of the
original fuel line, fuel is managing to leak out of the tank from the
hole through which the fuel line enters. I guess I could try to find
thicker fuel line; but the stuff I just installed was difficult enough
to get through the hole. My question is does anyone know of a good
way to seal the apparent gap (not easily visible other than of course
the fuel leaking out) between the fuel line and the tank? I tried
silicone; but that does not appear to be fuel/oil-resistant (trimmer
is 2-cycle).

Thanks.
Kevin

Plumbing 468x60
Posted by Eric in North TX on August 14, 2008, 2:48 pm


> Hi. =A0I hope this is the right group to post this question. =A0I have a
> weed whacker/trimmer and the fuel line goes from the carb into the
> fuel tank via a hole in the fuel tank (instead of there being a
> connector on the fuel tank). =A0Original fuel line was OK in that it was
> thick and filled the hole pretty well. =A0I had a replace the fuel line
> and while the new line appeared to be the same outer diameter of the
> original fuel line, fuel is managing to leak out of the tank from the
> hole through which the fuel line enters. =A0I guess I could try to find
> thicker fuel line; but the stuff I just installed was difficult enough
> to get through the hole. =A0My question is does anyone know of a good
> way to seal the apparent gap (not easily visible other than of course
> the fuel leaking out) between the fuel line and the tank? =A0I tried
> silicone; but that does not appear to be fuel/oil-resistant (trimmer
> is 2-cycle).
>
> Thanks.
> Kevin

A good mower shop should have the correct fuel line, I have to go to
the next town south for mine,
but none of the big box store stuff works. I've tried just about
everything to seal the leak from a too small hose, and haven't yet
found anything that works..

Posted by MLD on August 14, 2008, 4:19 pm



> Hi. I hope this is the right group to post this question. I have a
> weed whacker/trimmer and the fuel line goes from the carb into the
> fuel tank via a hole in the fuel tank (instead of there being a
> connector on the fuel tank). Original fuel line was OK in that it was
> thick and filled the hole pretty well. I had a replace the fuel line
> and while the new line appeared to be the same outer diameter of the
> original fuel line, fuel is managing to leak out of the tank from the
> hole through which the fuel line enters. I guess I could try to find
> thicker fuel line; but the stuff I just installed was difficult enough
> to get through the hole. My question is does anyone know of a good
> way to seal the apparent gap (not easily visible other than of course
> the fuel leaking out) between the fuel line and the tank? I tried
> silicone; but that does not appear to be fuel/oil-resistant (trimmer
> is 2-cycle).
>
Try some epoxy-I fixed a leaky mower fuel tank with some.
MLD
> Thanks.
> Kevin


Posted by dpb on August 14, 2008, 4:33 pm


MLD wrote:
...
>> ... My question is does anyone know of a good
>> way to seal the apparent gap (not easily visible other than of course
>> the fuel leaking out) between the fuel line and the tank? I tried
>> silicone; but that does not appear to be fuel/oil-resistant (trimmer
>> is 2-cycle).
>>
> Try some epoxy-I fixed a leaky mower fuel tank with some.
...

At the possible expense of making a future replacement nearly impossible.

I'm w/ the other poster who recommended getting the proper fuel line
from the OEM.

Alternatively, depending on the style/shape of tank, etc., could
possibly find and install a bulkhead connector so could have the
external fitting.

--

Posted by Steve Barker DLT on August 14, 2008, 5:27 pm


get the proper tygon hose and you will not have a leak. It's the
transparent yellow looking hose available at the small engine shops.

s


> Hi. I hope this is the right group to post this question. I have a
> weed whacker/trimmer and the fuel line goes from the carb into the
> fuel tank via a hole in the fuel tank (instead of there being a
> connector on the fuel tank). Original fuel line was OK in that it was
> thick and filled the hole pretty well. I had a replace the fuel line
> and while the new line appeared to be the same outer diameter of the
> original fuel line, fuel is managing to leak out of the tank from the
> hole through which the fuel line enters. I guess I could try to find
> thicker fuel line; but the stuff I just installed was difficult enough
> to get through the hole. My question is does anyone know of a good
> way to seal the apparent gap (not easily visible other than of course
> the fuel leaking out) between the fuel line and the tank? I tried
> silicone; but that does not appear to be fuel/oil-resistant (trimmer
> is 2-cycle).
>
> Thanks.
> Kevin



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