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 Leaky nylon fuel line

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HoosierDaddy



Posts : 101
Join date : 2014-12-28

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PostSubject: Leaky nylon fuel line   Leaky nylon fuel line Icon_minitimeFri Oct 07, 2016 7:10 pm

I've got a leaking fuel line that I need to address but I need some schooling first on nylon lines. It's leaking out of the driver side frame rail just behind the front wheel. It looks like it's leaking where the line goes thru the frame rail just ahead of the transmission crossmember. Is the line repairable with a splice? Would I be better off finding a new (used) line?
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HoosierDaddy



Posts : 101
Join date : 2014-12-28

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PostSubject: Re: Leaky nylon fuel line   Leaky nylon fuel line Icon_minitimeFri Oct 07, 2016 9:50 pm

OK. The leak is right over the crossmember mount to the frame. Looks like the factory routed it weird there and it crosses a steel (brake?) line and rubbed a spot. Dorman makes a patch kit with barbed fittings but you have to heat the cut line ends in hot water for 10 minutes. They also make shark bite type unions. If I use two of those and a short piece of line I won't have to drop the crossmember. Anyone know if those fittings are reliable?
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Fred Kiehl

Fred Kiehl

Posts : 5196
Join date : 2009-11-13
Age : 70
Location : Largo, FL 33774

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PostSubject: Re: Leaky nylon fuel line   Leaky nylon fuel line Icon_minitimeFri Oct 07, 2016 10:34 pm

They work great. I did not have to heat the lines. I spliced an 18 inch section in a 3/8 inch line. I modified my fuel system, and use it as a return line. I do not know if they make a set for the smaller stock return line. The connectors have teeth that grip the line, and an O-ring to seal the lines. Make sure the lines are clean. If the line is straight at that point, you may even be able to cut the line, and just put one connector on it to make the line whole again. The connector would keep the lines separate, and not rub through at the same spot.
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HoosierDaddy



Posts : 101
Join date : 2014-12-28

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PostSubject: Re: Leaky nylon fuel line   Leaky nylon fuel line Icon_minitimeFri Oct 28, 2016 3:19 pm

Just wanted to update that the unions I used sealed properly the first time and have been fine for a few weeks new.
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