help!! fuel priming NIGHTMARE. - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 05-10-2010, 03:21 AM Thread Starter
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help!! fuel priming NIGHTMARE.

hey guys.... i blew my head gaskets and did the repair myself. i was still able to drive the truck, but needed to go ahead and get problem fixed. i successfully changed out the head gaskets ( which was hell on earth ) and now i cant get the truck to keep running!!! i bet i pushed that primer button 2,000,000 times. truck would NEVER crank. then i filled up fuel filter full of fuel and left all bleed screws closed and primed till got tight, and it CRANKED!!!! but will not stay running! after it burns fuel in filter it just dies. i disconnected the steal braided line to the main fuel line and turned over truck and no fuel comes out!!! ( i have plenty in tank ) could my fuel pump have gone out?!?!?!??!

please help!!
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post #2 of 4 (permalink) Old 05-11-2010, 01:12 PM
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I would be leaning towards fuel pump also if you disconnected the line or left the bleeder screw open and turned on the ignition and nothing came out.

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post #3 of 4 (permalink) Old 01-29-2011, 05:22 PM
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When attempting to start, turn key on to "run" position without cranking. Can you hear with pump running? If so, fill the fuel filter and you may need to get the truck running with starting fluid. I know you shouldnt do this but these Duramax engines are S.O.B to get started when disconneting anything in the fuel system. Do not over do it with the starting fluid, you do not want the engine to "take off". if you can get the truck running off of starting fluid it will prime the system enough and will eventually build up the pressure it needs to run, it may take awhile. I would put my money on the fuel issue not the aftermarket edge box. I have seen this at work several times!
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post #4 of 4 (permalink) Old 01-29-2011, 05:41 PM
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Originally Posted by vdeg87 View Post
When attempting to start, turn key on to "run" position without cranking. Can you hear with pump running? If so, fill the fuel filter and you may need to get the truck running with starting fluid. I know you shouldnt do this but these Duramax engines are S.O.B to get started when disconneting anything in the fuel system. Do not over do it with the starting fluid, you do not want the engine to "take off". if you can get the truck running off of starting fluid it will prime the system enough and will eventually build up the pressure it needs to run, it may take awhile. I would put my money on the fuel issue not the aftermarket edge box. I have seen this at work several times!
there is no lift pump on these trucks, you have to loosen the bleed screw, push the primer until it hardens and diesel comes out the bleeder and then tighten the bleed screw and it should start, if not then you have an air leak somewhere in the fuel system, the most common place is an incorrectly tightened fuel filter

NEVER use ether, it can do serious damage, these vehicles have both glow plugs and intake heaters

Aaron the Crazy Canuck
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