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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

fuel leak

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Old Jan 22, 2017 | 03:54 PM
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LowBudgetF250's Avatar
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fuel leak

Hey all, I'm dealing with a fuel leak on return side of mechanical fuel pump on my 86 f250 460. PO bypassed the return system. I used a short piece of 5/16" rubber hose between fuel pump nipple and hard return line. It's leaking at connection to hard line. What is the proper way to make that connection? Thanks.
 
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Old Jan 22, 2017 | 05:04 PM
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Originally Posted by LowBudgetF250
Hey all, I'm dealing with a fuel leak on return side of mechanical fuel pump on my 86 f250 460. PO bypassed the return system. I used a short piece of 5/16" rubber hose between fuel pump nipple and hard return line. It's leaking at connection to hard line. What is the proper way to make that connection? Thanks.
My truck uses 5/16 rubber line and hose clamps in this location from the factory.

​​​​​​​I'd go take a picture to prove you right but it is dark already.

Is the return line rusted through?
​​​​​​​Any idea why the P.O. would have done this?
 
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Old Jan 22, 2017 | 06:02 PM
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Okay good to know. The truck sat and tanks were rusted. Instead of fixing it right the Po put a plastic boat tank in the bed and strapped an inline electric fuel pump to the fender.
 
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Old Jan 30, 2017 | 08:20 PM
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I didn't realize it but the hard line was rubbed thin near the end. I pulled a couple more inches of rubber fuel line past thin spot in the hard line and tighten the clamp back up. No more leak.
 
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Old Jan 30, 2017 | 10:22 PM
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Glad you got it fixed. One problem down, many more to go.
 
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Old Jan 31, 2017 | 07:21 AM
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Originally Posted by Gary Lewis
Glad you got it fixed. One problem down, many more to go.

Peeling the onion's layers?
 
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Old Jan 31, 2017 | 07:23 AM
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Originally Posted by 1986F150six
Peeling the onion's layers?
Yup. Hope he likes onion rings.
 
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Old Jan 31, 2017 | 01:49 PM
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I'd laugh, but know just how true those words of wisdom are.....
 
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