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11-06-2009, 08:18 PM | #1 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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How do you get the top off of the gas tank?
I am trying to drain and remove Crashy's gas tank for this weekend's welding. I don't have the spanner tool that the service manual shows. I have been trying to spin it off using a hammer and a piece of wood, but it's not turning. For those who have taken the top off to get at the fuel pump, how did you remove the top?
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11-06-2009, 09:17 PM | #2 |
Learn to Relax
Drives: 2007, Meteorite, LB Join Date: Dec 2008
Location: Anaheim, CA
Posts: 2,070
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cali yaris changed his fuel pump. Try looking up his thread.
I looked it up and it doesn't say. Sorry. |
11-06-2009, 09:28 PM | #3 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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I got it. It took some serious pounding to get it loose. I was just being too gentle to begin with. I didn't want to use anything metal, to avoid making sparks, so I uses a deadblow hammer and a 3/4" x 3/4" piece of oak.
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11-06-2009, 10:31 PM | #4 |
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Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
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Gas tank is now completely empty and out.
I now understand why our fuel gauge is so disproportionate. After I removed the tank top and pulled the fuel pump / gauge sender assembly, I pumped the tank out before dropping it. The tank was almost full and is about 12" deep. The first 5 gallons that I pumped out dropped the level by almost 8" and the second 5 gallons dropped it the remaining 4". |
11-07-2009, 10:08 AM | #5 |
Drives: 2006 yaris Join Date: Oct 2008
Location: Puerto Rico
Posts: 536
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Are you welding the tank. Better fill it with water if you are
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11-07-2009, 10:16 AM | #6 |
Half a Bubble Off Plumb
Drives: 2009 Yaris Sedan Join Date: Mar 2009
Location: Bristol, Tennessee, USA
Posts: 1,593
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Yep. Exploding fumes are the danger. I used to know an old mechanic who'd carefully fill the tank to the top with gasoline to weld it. Flames would shoot all around, but he was safe as long as there was NO space for gas fumes to mix with air. He did it that way so he wouldn't have to get the water purged completely out of the tank before refilling it. I don't think OSHA would approve of his method, but it was sound in theory.
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11-07-2009, 10:37 AM | #7 |
Drives: 2006 yaris Join Date: Oct 2008
Location: Puerto Rico
Posts: 536
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I used to work in a machine shop and we welded alot of fuel cells for track cars and fuel deliveri tanks used in the pits for refueling we did the water filled tank and I knew a guy who would connect a hose and fill the tank with exhaust fumes from his car. He claimed the carbon molecules would cover the ones from the fuel fumes and would not allow it to ignite. I never did it that way but he still does and has yet to have accident.
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11-07-2009, 10:47 AM | #8 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Hmm pretty smart. Any inert type of gas would do...and gas absorbs less heat than water. gasoline works too if you dont spill any so the torch can ignight the whole shebang!
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11-07-2009, 11:29 AM | #9 |
Learn to Relax
Drives: 2007, Meteorite, LB Join Date: Dec 2008
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He's welding a roll cage for Crashy. Took the tank out to be safe.
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11-07-2009, 01:00 PM | #10 |
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