sludge in fuel line
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Senior User
Joined: Dec 2007
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sludge in fuel line
This is not on my truck. This is on a car I built for my wife that had been sitting for 15 years. I cleaned the tank last night and reinstalled it but there is sludge in the lines. What is the best way to get all that sludge out? I'll replace the hoses of course but the hard line needs a good cleaning. Any suggsetions? I need to get this car out of the way so I can work on the truck. Thanks.
Fleet Owner
Joined: Jul 2004
Posts: 27,294
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From: NM
When I pulled my truck's lines out, off the truck, I found that beating them against the ground was about the only thing that loosened up the fine rust particles that had settled in there. Running a piece of mechanic's wire thru also loosened it, but getting it out completely is tough. They had been blown thru, sprayed with carb cleaner, you name it. It is very fine rust and when it packs together it is like steel. I ended up replacing the lines.
If there is an obvious low point to the system, that's where the bulk of it will be.
If there is an obvious low point to the system, that's where the bulk of it will be.
Post Fiend
Joined: May 2008
Posts: 7,641
Likes: 21
From: Poway, Ca.
When I pulled my truck's lines out, off the truck, I found that beating them against the ground was about the only thing that loosened up the fine rust particles that had settled in there. Running a piece of mechanic's wire thru also loosened it, but getting it out completely is tough. They had been blown thru, sprayed with carb cleaner, you name it. It is very fine rust and when it packs together it is like steel. I ended up replacing the lines.
If there is an obvious low point to the system, that's where the bulk of it will be.
If there is an obvious low point to the system, that's where the bulk of it will be.
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Senior User
Joined: Dec 2007
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Thanks for the help. I don't want to spend too much money on this car. I got it for free. The motor was pulled out of the car, torn down and machined. The guy had all the parts to put it back together (new pistons, rings, oil pump, ect) but not the motivation. Got it put together and started having the fuel line problems. I cleaned the tank and last night I sprayed carb cleaner inside the line and let it sit for 5-10 min then blew it out with compressed air. I did that a half dozen times and then ran gas through it into a container and it came out good so I replaced all the rubber lines. After pulling the carb apart and giving it a good cleaning the car started right up. I should have my truck back in the garage in the next few days!!!
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