Hello Sazabizc, your thried has been informative for me, as I to am working on an 003. One thing you mentioned in the first part was how you had cleaned and coated tank with red coat. Would you elaborate on that procedure? Thank you Sturgis7754
Well I’m almost ashamed to admit this . But I had a shop do it . They weren’t to far away and were a very good price . My tank had a lot of rust in the bottom so much so the drain was plugged. What they did they put the tank in a acid tank bath that heats it up and let it set all weekend. Then they used red-kote to line it . They also for 25$ more put a rhino liner on the out side . I was very pleased with there work.
How I was going to do it before I found out about the radiator/gas tank shop. I was going to fill the tank with vinegar or muriatic acid and let it eat at it . I’ve also saw a video were these guys used works toilet cleaner. It has Hydrochloric acid in it .
I’ve heard of using nuts and blots and even bbs and just shacking the tank around . But what I noticed is my tank had baffles in it and I didn’t fill like nuts or blots or bbs would get past them very well, or if they did how could I be sure I got them all out ? So if it were me, I would use a acid. I used muriatic acid in the 3 fuel filter canisters. Eat the rust off very well , just becareful it is a acid and it doesn’t like aluminum. It will react to aluminum . My uncle that’s owns a Machine shop chucked the tank off his dump truck in one of his lathes , put Gravel in it from his parking lot and let it tumble around lol . He said it worked .
Fuel strainer was rusted stuck in the take. I had to pull it out with pliers and work it back and forth for 5 minutes before it would come out .
That Diesel was died red not rust red.
After the shop cleaned and lined it with red kote
Fuel strainer
Fuel fitting with rust in it .
After soaking in muriatic acid.
First fuel canister. I forgot to get a before picture, but it was so full of rust and scale I could scrap it off with my fingers . Thankfully the fuel pre screen filter did it’s job. Very little rust in the second filter and no in the 3rd. I really dodged a bullet. I soaked the per screen filter in vinegar. I wasn’t sure what it was made out of and didn’t want the muriatic acid to damage it.
One of the fuel pumps was jammed with crap from the tank. It wouldn’t work unless I pushed compressed air in it . What I did to both pumps is let them suck in a 50/50 mix of Diesel and transmission fluid. Transmission fluid has a lot of detergents and rust fighting additives in it . I pushed the solution though it with compressor air and let it soak. Then I unconnected the fuel line going to to filters and let it drain into a oil jug I cut open . I worked with it and then it broke free and would make sounds but didn’t suck unless I pushed compressed air in it . I kept working with it and finally it started to suck in fuel on its own. The 2nd pump was fine . Both are now working .
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