Question about 1998 Chevrolet K3500

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How do I prime my Chevy K3500 diesel engine?

I changed the fuel element, drove the truck for three weeks, let it sit for three weeks and now it does not start.

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  • kachikan
    kachikan Jan 15, 2013

    The injection pump was replaced last spring. I found the air-bleed valve on top of the fuel filter, but I can't find the 'silver' primer button.

  • kachikan
    kachikan Jan 19, 2013

    As previously stated, the injector pump was replaced 1 year ago. Although I could not find the primer pump, I bled the air out of the fuel element using the air bleed-off valve while a friend cranked the engine. My problem was a slow leak in the fuel injection system caused by a faulty seal in the fuel element..

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  • Expert
  • 87 Answers

It probably needs a new injection pump, common failure on the 6.5

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

  • 57 Answers

SOURCE: priming fuel system on a 8.1L diesel engine 2001chev 1 ton dual

Well, one problem is, if its an 8.1, its not a diesel. The 8.1, or Vortec 8100, is a gas engine. The DuraMax is a 6.6 engine. There is usually not a priming system on a gas engine, because the fuel pumps will usually get it through the smaller filters used quick enough you dont need them. However, if it is a DuraMax engine, then right on top of the fitting where you mount your diesel filter, there is a primer pump and an air bleed valve. What you do is, open up that air bleed valve ( its a little black plastic octagon shaped thing on the top of the filter mount) then you pump the primer (the silver button looking thing) until you get diesel squiting out the air vent without too many air bubbles or gurgles.

Posted on Jan 23, 2009

jamaicanmech
  • 17 Answers

SOURCE: 2005 chevrolet k3500 6.6 duremax diesel with check

the codes 300 303 304 is cylinder missfire. just drive the vehicleand it will correct it self

Posted on May 05, 2009

  • 583 Answers

SOURCE: Diesel truck, replaced batteries, truck will not

give it a good squirt of aerostart inthe aircleaner that should get it started but with out more info its a bit hard.... it sounds aike it is loosing fuel from air in the system ,when she fires up on the aerostart see if it misses for a bit ,if so therecould air getting into thesystem

Posted on Aug 04, 2009

  • 255 Answers

SOURCE: 1987 Chevy R10 project truck won't start

check the float on the carb is stuck shut not letting fuel in

Posted on Aug 17, 2009

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