NEED HELP fuel pump died out after running out of gas - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-19-2005, 02:37 AM   #1
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Default NEED HELP fuel pump died out after running out of gas

I have a 95 bonneville non supercharged I was driving when my needle was low as I usually do parked running perfect cut it off then that was it my problems seems to be that air ran in thru my pump even after filling the tank no pressure sounds from the pump anymore put gas in my air intake ran well for a couple minutes then died out 5 times pump still won't charge my questions is, is there a way to re pressurize or bleed the fuel lines to make it pump again cause I don't believe it takes a new pump just for running out of gas or at least hope not.....please help
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Old 03-19-2005, 03:19 AM   #2
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I have never had to prime an in-tank fuel pump after replacing one. Nor do I find any instructions to prime in the '95 FSM. I believe these pumps are cooled by the gasoline in the tank. If they run while the tank is empty, maybe they can get hot enough to cause damage to the pump or blow a fuse. It'* one good reason not to routinely run these cars with just a little fuel.

Does the pump run when you turn the key to the "on" position? Maybe you lucked out and just blew the fuse.
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Old 03-19-2005, 03:29 AM   #3
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Quote:
Originally Posted by bill buttermore
I have never had to prime an in-tank fuel pump after replacing one. Nor do I find any instructions to prime in the '95 FSM. I believe these pumps are cooled by the gasoline in the tank. If they run while the tank is empty, maybe they can get hot enough to cause damage to the pump or blow a fuse. It'* one good reason not to routinely run these cars with just a little fuel.

Does the pump run when you turn the key to the "on" position? Maybe you lucked out and just blew the fuse.

no response from fuel pump on ignition switch there was no 1 listed fuse for fuel pump but checked all fusses all is ok with fuses I can even here the computer click but the pump doesn't hum
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Old 03-19-2005, 10:36 AM   #4
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You should always keep the tank topped up and never run for extended time with a level below 1/4 tank.
These fuel pumps are not designed to dissapate heat unless they are submerged and will burn out quickly if not kept submerged.
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Old 03-19-2005, 12:14 PM   #5
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The fuel pump fuse (20A) is located in the relay center behind the passenger kick panel. The fuel pump relay is also located there. First check the fuse. If it is OK, and the pump is still not running, you probably have a bad pump, but here'* a paraphrase of the FSM procedure for checking fuel pump relay and wiring anyway:

Fuel pump not running
No pressure:

ignition on
remove fuel pump relay
install a fused jumper between fuel pump relay connector cavities 87 and 30
does pump run?

yes: bad relay or open in wiring

no: raise vehicle
......disconnect fuel pump connector at fuel tank, connect test light between fuel
............pump harness connector terminals D and C
......light should be on

yes: bad fuel pump

no: bad wiring

Good luck
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Old 03-19-2005, 06:35 PM   #6
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One more question on this subject fuel pump is on the bottom of the tank? is draing or dropping the tank required? What parts should come with the pump unit for install or what to expect from a complete fuel pump package??
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Old 03-19-2005, 07:00 PM   #7
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Quote:
Originally Posted by anteeze
One more question on this subject fuel pump is on the bottom of the tank? is draing or dropping the tank required? What parts should come with the pump unit for install or what to expect from a complete fuel pump package??
Fuel pump is on the bottom, inside the tank, connected to a large round fitting secured to the top of the tank with a lock-ring that you undo counterclockwise. Fuel tank must be drained and dropped. Then the changeout is pretty straightforward. The new pump should come with specific instructions. Dropping the tank is described in Chilton'* 28200 that you can pick up at any good parts store. Make sure you read and understand all of the instructions before you start the job. Be careful!
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