05 5500 fuel system help needed

Discussion in '6.6L Duramax Diesel' started by 94f450sd, Feb 5, 2018.

  1. 94f450sd

    94f450sd Supporting Member Supporting Member

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    Ok,I know absolutely nothing about the duramax.

    We bought a 5500 car carrier.had a motor put in it at some point,ran once and never again.

    I got it cranking over today.itll fire on ether and die,so it's not getting fuel.gauge says 3/4 tank.not sure if it's right or not,I'll try putting 5 gallons in it tomorrow just in case.

    It may have wiring problems such as things unplugged or plugged in wrong places.the guy we bought it from has been trying for 3 years to get me to work on it.i didn't want to touch it but have no choice now

    If putting fuel in it doesn't work,where do I start?
     
  2. 79jasper

    79jasper Chickenhawk

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    Well, far as I know, they never cane with a lift pump. The filter should have a primer button on top, along with a bleed screw.
    But... best thing you can do for a Duramax is throw on a electric lift pump.
    I ran one out of fuel once. After pumping the primer a hundred times, it started right up.

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  3. 94f450sd

    94f450sd Supporting Member Supporting Member

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    I couldn't find a primer.i found what I think is the filter on the drivers side.has wires going into the top and bottom of it.looks like a plastic housing.cartridge filter?.

    On top of the motor sorta in the middle I found a brass colored fitting with a Schrader valve in it.this to bleed fuel system or hook up a guage?it's a fairly large fitting,looks like something can clip onto it.


    I don't know why my buddy sold the CAT to get these things.i really don't care to learn about them,honestly.
     
  4. 79jasper

    79jasper Chickenhawk

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    What I could find, the filter should be on the drivers side of the engine.
    It could be a cartridge filter but stock is spin on, and has a bottom spin on plastic piece. The bleeder is a little flat blade screw on the top.
    "Should" look like this. The black screw is the bleeder. The silver thing on the end is the primer. [​IMG]

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  5. 94f450sd

    94f450sd Supporting Member Supporting Member

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    I did get it running.its gotta have a bad injector somewhere as I can hear a fuel knock and it smokes.
     
  6. 79jasper

    79jasper Chickenhawk

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    Pretty typical for the early models with sucky stock filtration and no lift pump. Lol

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