Question about 2001 GMC W3500

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Fuel pump for 2001 gmc 3500 box van

Where is the fuel pump for this vehicle located? Is it in the tank?

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Where is the fuel pump located on a 2002 350 chevy cargo van?

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The fuel pump is in the tank, there is one for each tank if you have dual tanks, also change the fuel filter with pump.

Posted on Nov 06, 2008


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Posted on Jan 02, 2017

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The fuel pumps have been located in the gas tank since the beginning of fuel injection systems back in the 1980's. Some GM cars since about 2000 have a special access plate in the trunk area just above the gas tank, for fuel pump module removal. Previously, the only way to replace a fuel pump was to remove the tank from the vehicle. That is probably the case in your van, but check for an access plate in the floor, just above the fuel tank-just above the small opening in the tank where the pump is removed.

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    If the fuel level is very low and the van is not level it's not going to start even if the pump is good.
    When you turn the key to on you should hear a fuel pump noise for 2 to 3 seconds if the key has been off for at least 10 seconds,and when cranking or the engine is running the pump runs because there's oil pressure sending power to the pump.
    Have someone listen back at the tank.No Noise?then it might be time for a fuel pump.
    Your fuel filter may be just ahead of the rear axle on the passenger side under the van.
    But.....if your gas gauge went out and now your pump quit,maybe the wiring back at the tank is corroded?

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    For 1994 GMC Truck Safari Van AWD 4.3L CPI 6cyl is inside the tank...


    Fig. 2: The fuel pump and fuel gauge sender assembly

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