Engine won't prime, pump problem? - Dodge Cummins Diesel Forum
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post #1 of 5 (permalink) Old 10-03-2011, 06:18 PM Thread Starter
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Engine won't prime, pump problem?

I just replaced my fuel filter and i'm trying to fill it back up with fuel and get the air out. I loosened the bleed screw and pressed the primer and no fuel came out of the screw. The little rubber piece on the primer button is ripped almost in half though and its just a plastic white tube...could this be the issue. Help it's getting dark!


1996 ram 2500 12v 5 speed 2wd 114k miles-BHAF-silencer ring and baffles removed-muffler delete
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post #2 of 5 (permalink) Old 10-03-2011, 06:21 PM
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Quote:
Originally Posted by rekrap8 View Post
I just replaced my fuel filter and i'm trying to fill it back up with fuel and get the air out. I loosened the bleed screw and pressed the primer and no fuel came out of the screw. The little rubber piece on the primer button is ripped almost in half though and its just a plastic white tube...could this be the issue. Help it's getting dark!
well i know that the boot does not matter mines off, i replaced mine and i just kept priming it untill i couldnt push the primer anymore.
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post #3 of 5 (permalink) Old 10-03-2011, 07:19 PM
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Quote:
Originally Posted by rekrap8 View Post
I just replaced my fuel filter and i'm trying to fill it back up with fuel and get the air out. I loosened the bleed screw and pressed the primer and no fuel came out of the screw. The little rubber piece on the primer button is ripped almost in half though and its just a plastic white tube...could this be the issue. Help it's getting dark!
you don't need to loosen any screw, just keep working the primer until you hear the over flow valve start to squeak.

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post #4 of 5 (permalink) Old 10-03-2011, 08:22 PM
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I will take at least 100 pumps of the button.
If you have compressed air leave the bleed screw open and pressurize the tank though the fill up tube with an air gun wrapped in a rag.
It will bleed the system in less than 20 seconds.

Bill
'95 2500 4wd auto
'95 3500 5 speed heavy hauler
Stock for one day
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post #5 of 5 (permalink) Old 10-03-2011, 09:15 PM
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Originally Posted by illflem View Post
I will take at least 100 pumps of the button.
If you have compressed air leave the bleed screw open and pressurize the tank though the fill up tube with an air gun wrapped in a rag.
It will bleed the system in less than 20 seconds.
That sounds like a good excuse to buy a locking gas (uhm, diesel) tank cap and drill a hole in the old one for an air fitting just for this kind of problem. I have done similar before on other gas tanks just blowing into the tank to move the fuel.

Just do not use 120 psi on the fuel tank. It just need enough (5 psi) to slightly pressurize the tank.

1997 3500 club cab 3.54 gears towing & camper pkg. Still stock with a built transmission at 120k. 4" exhaust, 4kgsk, and exhaust brake waiting for installation. 37337 upgrade. Still need ideas for improvements for hauling 15k fifth wheel.
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