Thread: Fuel Pump
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JP Noonan JP Noonan is offline
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Join Date: Dec 1969
Location: Dade County, FL.
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Well, how long has the car sat? Is the fuel fresh? Is the fuel filter new? If the tank is old it may be filled with junk blocking the pump. If it is a 70-74 pump it may be hooked up wrong, there are three hose conections, look at DD's hose diagram. I know the regulator should be hooked up a certain way, it makes sense that if it hooked up backwards it would not allow fuel through.

Try putting the pressure side hose in a 1 gallon gas tank, then wire up the pump to see if any fuel comes out.

Another thing, is the pump in a stock location? I think it NEEDS to be at a point BELOW the level of the bottom of the gas tank or it will not prime.

Also, if the pump was jamed and enough power was shorted to the motor, the motor spins and shears of some internal "fingers" that spin the roller part of the pump. SO the pump will sound fine, but won't pump.

Pumps cost big bucks new, so make sure it is the pump before buying a new one.
Old 10-14-1999, 09:24 PM
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