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Posted on Mar 31, 2017
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I HAVE A 1986 GMC VANDURA 3500 CARGO VAN,ALWAYS TURNS ON WITH NO PROBLEM,OK HERES THE THING.MY GAS METER WENT OUT RECENTLY SO I DROVE IT AROUND ALL WEEK BASICLY JUST TRYING TO EMPTY THE TANK SO I CAN FILL IT UP AND GO WITH MY MILAGE UNTIL I GET IT FIXED NOW THE THING JUST CRANKS AND CRANKS AND CRANKS AND DOES NOT WANT TO FIRE UP.STEP BY STEP WHAT DO CHECK FOR?OH,IT DID TURN ON LAST NIGHT I TURN IT OFF AND TURNED IT ON AGAIN.THIS MORNING IT IS DOING THE SAME THING AGAIN,JUST CRANKING.I THINKING FUEL FILTER,FUEL PUMP.STRANGE THING IS I CAN"T LOCATE THE FUEL FILTER,I FOLLOWED THE FUEL LINES ALL THE WAY AND DID NOT LOCATE IT,ANY ADVICE WOULD BE HIGHLY APPRECIATED. THANKS MARTIN

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D Aubrey

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  • GMC Master 1,136 Answers
  • Posted on Apr 30, 2017
D Aubrey
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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?

1 Related Answer

Anonymous

  • 3640 Answers
  • Posted on May 13, 2011

SOURCE: where is the fuel filter

should be in the base of the carb, right behind that big nut on the fuel inlet. Loosen the fuel line, using a 5/8" wrench on the line nut, and a 1" wrench on the larger nut. remove the fuel line, then back the large nut out, and the filter will be behind that. have a good day !

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