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how to jump fuel pump to get gas out

 
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billy101
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2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Mon Nov 21, 2011 8:48 pm    Post subject:  how to jump fuel pump to get gas out Reply with quote

Hey all I have a half tank of 91 in my 2001 and I need to get it out so we can put it in the 2002. Is there a way to jump the fuel pump?

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2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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98ss
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PostPosted: Mon Nov 21, 2011 9:59 pm    Post subject:   Reply with quote

Is the tank still inthe car? You can always unplug the quick connector at the fuel rail and pick up the same style connector at the parts store get some hose and run that over to your fuel tank on your other car or just run to a gas can. Just provide power and ground via some aligator clips at the sender unit and the fuel pump should run. There should 3 prongs, power ground and signal. Trial and error, but the larger of the 3 wires on the harness should be power.
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billy101
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PostPosted: Tue Nov 22, 2011 1:37 am    Post subject:   Reply with quote

Yes the tank is still in the car. Didn't think about jumping it at the pump, might just pull the pump and put a pump in the tank to suck it all out into containers that way. Either that or since there isn't a motor in this car I'll use the fuel rail connectors and put them into containers and get it all that way.

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2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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MISHNAH
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2002 Chevrolet Impala
2006 Mercedes-Benz E Class
2006 Nissan Murano
2003 BMW 5 Series


PostPosted: Tue Nov 22, 2011 4:07 pm    Post subject:   Reply with quote

billy101 wrote:
Yes the tank is still in the car. Didn't think about jumping it at the pump, might just pull the pump and put a pump in the tank to suck it all out into containers that way. Either that or since there isn't a motor in this car I'll use the fuel rail connectors and put them into containers and get it all that way.


Pull the fuel pump relay and jump pins 30 and 87, you'll have to look on the side of the relay for the diagram, and they should also be numbered on the bottom of the relay. Find the corresponding sockets in the fuse block and install a wire between them, that till turn the pump on and run it continuously.

Check this site for an idea of how to do it:
http://members.rennlist.com/v1uhoh/jumping.htm

Then just put a gas can on the fuel rail connector and let it pump away! Another way to do it is to turn the key from OFF to ON a few hundred times which primes the pump for 2 seconds, it works the same as the above method, just takes longer. I did it this way on my first car to pump like 10 gallons out, took about an hour. Laughing

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2002 Galaxy Silver Sedan - LS cluster - Debadged - Intrigue compass/autodim mirror - DIC - Regal graphite leather seats - LS console with floor shift conversion - Monte Carlo black leather steering wheel - LS springs - KYB GR-2 Struts - GMPP sway bars and rear STB - Fog light frontend harness - LS Bumper with fog lights - Painted trim and side skirts

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billy101
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Location: Willow Spring, NC

2001 Chevrolet Impala
2010 Chevrolet Malibu


PostPosted: Tue Nov 22, 2011 4:26 pm    Post subject:   Reply with quote

MISHNAH wrote:
billy101 wrote:
Yes the tank is still in the car. Didn't think about jumping it at the pump, might just pull the pump and put a pump in the tank to suck it all out into containers that way. Either that or since there isn't a motor in this car I'll use the fuel rail connectors and put them into containers and get it all that way.


Pull the fuel pump relay and jump pins 30 and 87, you'll have to look on the side of the relay for the diagram, and they should also be numbered on the bottom of the relay. Find the corresponding sockets in the fuse block and install a wire between them, that till turn the pump on and run it continuously.

Check this site for an idea of how to do it:
http://members.rennlist.com/v1uhoh/jumping.htm

Then just put a gas can on the fuel rail connector and let it pump away! Another way to do it is to turn the key from OFF to ON a few hundred times which primes the pump for 2 seconds, it works the same as the above method, just takes longer. I did it this way on my first car to pump like 10 gallons out, took about an hour. Laughing


We tried to jump the fuel pump at the relay under the hood with the key on and didn't get anything flowing. Note, there is NO motor in this car so no sensors are plugged in or anything, just the connector that goes to the PCM and the inside of the car.

_________________
2002 Impala LS 3.8 -121,749 miles 11/13/2011
2001 Impala LS 3.8 - 118,510 miles. 9/2/2011. RIP - 11/12/2011
2010 Malibu LTZ 3.6 - 16,014miles. 8/20/2011.
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98ss
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2011 Chevrolet Silverado


PostPosted: Tue Nov 22, 2011 7:35 pm    Post subject:   Reply with quote

That shouldn't matter if no engine in the car. You can get relay testers, I have a set from mac tools that cost like 20 bucks. plug it in and turn the switch to on. Thats the easy way.
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Frank
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PostPosted: Tue Nov 22, 2011 8:41 pm    Post subject:   Reply with quote

I drained my tank by getting the harness end that goes into the fuel pump from the auto parts store for something like $5, pulled the access panel in the trunk, hooked the pump up to a jumper pack, disconnected the fuel line from the fuel filter, and connected some vinyl tubing to the filter end and ran it into a nearby car, then turned the jumper pack on. Smile

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