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  #1  
Old 01-19-2011, 04:24 PM
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Default drain gas

Im planning to do the fuel pump this weekend on my jimmy and i was just wondering how you drain the gas tank. I have 18 gallons in there and a dead fuel pump...... thanks
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Old 01-19-2011, 04:30 PM
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what i did was remove the filler hose from the fuel door end and put a siphon line in.
didnt have to move tank at all.....mind you though i have a 2" body lift so i have some wiggle room...might work for ya
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Old 01-19-2011, 08:12 PM
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would a drill pump work?
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Old 01-19-2011, 08:15 PM
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i read on my drill pump..."do not use on combustible materials"
didnt take a chance....maybe sparks from drill motor?
better safe then cooked
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Old 01-19-2011, 08:25 PM
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the reason that the drill pumps aren't rated for combustable materials is, they're not sealed against any vapour leaking. and being right next to an electric motor really isn't the best location for such a device.


just use the ol' "suck 'n siphon" method.


it works, but it'll taste like s**t for a split second.



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Old 01-19-2011, 08:59 PM
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Keep in mind that there may be an anti-siphon device. Mine has one. To make the job of dropping the tank easier I just cut the fill and vent hose close to the tank. Then cut kind of a hole in the fill hose to get a CLEAR hose to siphon the gas out.

I figured replacing ten year old hoses would be a plus in the end. If you choose to go this route you will need 2" and 5/8" hoses about 6-7" long, though you might as well get a foot as that is the minimum most places will sell.

This also makes dropping the tank MUCH easier as you do not have to manuever the tank around trying to get the whole fill/vent line out. This is on a 2 door, the 4 door may be much eaiser as the tank is mounted on the side and not on the back.
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Old 01-19-2011, 10:57 PM
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if u pull the filler neck off the tank @ the tank end, it goes directly into the tank. the anti siphon is in the filler neck itself rather than the tank.

go to your local hardware store and grab some 1/4 dia CLEAR plastic hosing about 3ft long and remove filler neck n siphon it out! i suggest clear cuz once u get the fuel going better than half the length of the hose you can put it into your "catch" bucket or whatever ur using. saves the "shat" taste of gas in your mouth this way too.
Old 01-19-2011, 10:57 PM
 
 
 
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02, 1999, 94, anti, antisiphoning, blazer, chevy, device, drain, draining, flap, fuel, gas, gmc, siphon, suburban, tank


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