fuel pump question

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May 4, 2005 | 08:36 PM

graderman

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fuel pump question

I drained the fuel out through the water seperator now when I turn the key on or try cranking it over no fuel come into bowl.Does that mean the fuel pump is finished.If so what does it look like and where is it located.

thanks

May 4, 2005 | 09:09 PM

barebackjake

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From: STEPHENVILLE,TX!!!!!

OBS truck or superduty???

if its a OBS it will take it a couple seconds due to its a mechanical pump fed off the cam shaft

May 4, 2005 | 09:20 PM

graderman

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I left in on for a while and there's no fuel.is it located behind the the fuel filter.if there is no fuel does it mean it's the pump.

May 4, 2005 | 09:34 PM

barebackjake

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From: STEPHENVILLE,TX!!!!!

hmmm wonder if the pump just lost its prime from drainin. was it working fine before?

i would fill the bowl up and see if it will fire up then

May 4, 2005 | 09:42 PM

fast freddie

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From: gulf coast

Do you have dual tanks? If so, switch to the other tank and try it.

May 6, 2005 | 10:47 AM

stroker1

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I will agree with barebackjake and fast freddie. If one of the tanks got low enough,then more than likely it lost its prime. Switch tanks( if equipt with dual tanks), fill fuel bowl and run it. Also make sure the drain valve on the lower side of bowl is closed. I have always been told to try and not run the tanks below 1/4tank. When a diesel runs low or empty and has to be primed it is very hard on the pump.

May 6, 2005 | 11:26 AM

tjbeggs

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From: Silver Lake Dunes, MI

it really shouldn't matter is it an OBS or superduty they both have an electric fuel pump. the OBS just has a mechanical transfer pump that transfers fuel from fuel filter to heads. but i would do what the other guys have said. fill up the bowl and switch tanks if you can and try it.

good luck
tim