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Leaking Fuel Line

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Old Jun 17, 2025 | 08:30 AM
  #1  
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Leaking Fuel Line

I have two fines attached to this device on the side of my fuel filter bowl, one of which is leaking. My problem is that I don't know where the other end of the leaking line is, although I'm pretty sure neither go directly to the fuel tank. Can someone help me identify what I'm looking at, so that I can get the line off at the other end? Thank you in advance, Ford Forum.
 
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Old Jun 17, 2025 | 08:38 AM
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this should help

 
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Old Jun 17, 2025 | 09:09 AM
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Soft lines? They run to the heads.

Riffraff has heavy duty ones, other option is OE Ford/Navistar
 
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Old Jun 17, 2025 | 10:49 AM
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Those return lines run from the cylinder head to the fuel bowl. Let us know if you need anything.

https://www.riffraffdiesel.com/passe...el-line-94-97/

https://www.riffraffdiesel.com/drive...el-line-94-97/
 
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Old Jun 17, 2025 | 02:00 PM
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It's the driver's side line that let go, so I ordered one from Riffraff. In the meantime, getting to the end that goes into the head is abit tricky; I've got is soaking in penetrant and I hope I can work it out of the block without breaking it off, as it looks abit rusty. Thanks for your help, guys.
 
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Old Jun 18, 2025 | 10:50 AM
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So you are only going to do one of the two hoses?
 
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Old Jun 19, 2025 | 11:55 AM
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I am trying to swing the accessory bracket out of the way so as to get at the line in the head, but I am having difficulty finding the bolts to loosen it: I have two out and a third is loose, but I can't swing the bracket out of the way; she doesn't budge: is there another bolt I'm not seeing? Thank you.
 
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Old Jun 19, 2025 | 01:00 PM
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4 bolts hold it on


 
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Old Sep 14, 2025 | 07:27 PM
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Originally Posted by Riffraff Diesel
Those return lines run from the cylinder head to the fuel bowl. Let us know if you need anything.

https://www.riffraffdiesel.com/passe...el-line-94-97/

https://www.riffraffdiesel.com/drive...el-line-94-97/
A long time lurker here who's still driving an OBS 20 years later, posting to let you know you made another sale by posting here. Also, thank you for having top notch products to support our old trucks.
 
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Old Oct 28, 2025 | 01:12 PM
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Hi all. I'm having the same issue with the driver's side hose. I just ordered the set from RiffRaff but mine has a compressor right in the way. Does that have to come off to get to the driver's side (cylinder head side) out?
 
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Old Oct 28, 2025 | 01:16 PM
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Yes, move it and do the job. Easy
 
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