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'99 - '06 GM Truck Modifications
Tech Discussion
Rusty Fuel Lines: Replacing lines not enough
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<blockquote data-quote="JorgeS" data-source="post: 23876" data-attributes="member: 12094"><p>My fuel lines were very rusty. There are many flexible lines available, and after looking over reviews, I bought a set of Dorman; they look very well made.</p><p>I raised the truck on jack-stands. I was unable to get the rear fitting (to the nylon line) off, and after other setbacks, I decided to take it in to a very good & reputable shop in town. With 140,000 miles, I also decided to get the fuel pump replaced.</p><p>The surprise was that the outlet from the fuel pump was in even worse shape than the fuel lines. I had started smelling gas in the last week or so, and it appears that the leak was between the body of the fuel pump and the fitting to the nylon line. The pump outlet line was so badly rusted that they were unable to get it off the nylon line and had to replace it also. Sadly, I didn't think of taking a photo of the issue.</p><p>The moral of the story is: If you're replacing rusty fuel lines, replace the fuel pump also. If you don't, the outlet of the fuel pump will be your failure point.</p></blockquote><p></p>
[QUOTE="JorgeS, post: 23876, member: 12094"] My fuel lines were very rusty. There are many flexible lines available, and after looking over reviews, I bought a set of Dorman; they look very well made. I raised the truck on jack-stands. I was unable to get the rear fitting (to the nylon line) off, and after other setbacks, I decided to take it in to a very good & reputable shop in town. With 140,000 miles, I also decided to get the fuel pump replaced. The surprise was that the outlet from the fuel pump was in even worse shape than the fuel lines. I had started smelling gas in the last week or so, and it appears that the leak was between the body of the fuel pump and the fitting to the nylon line. The pump outlet line was so badly rusted that they were unable to get it off the nylon line and had to replace it also. Sadly, I didn't think of taking a photo of the issue. The moral of the story is: If you're replacing rusty fuel lines, replace the fuel pump also. If you don't, the outlet of the fuel pump will be your failure point. [/QUOTE]
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'99 - '06 GM Truck Modifications
Tech Discussion
Rusty Fuel Lines: Replacing lines not enough
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