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3406E 5EK fuel system priming

Discussion in 'Trucks [ Eighteen Wheelers ]' started by RollinCoal02, Jan 13, 2017.

  1. Jan 13, 2017 #1
    RollinCoal02

    RollinCoal02 Bobtail Member

    37
    11
    Dec 28, 2016
    Green Bay, WI
    0
    Im having a major issue priming the fuel system in my 3406E. All the priming steps say to remove fuel return on the back of the head, except i have a fuel cooled ECM and fuel from the primer flows backwards through the head. I crack the feed line to the head from the distribution block and i get lots of air, and cant get the hand pump to get hard. Both new fuel filters and new fuel lines.
     
    RollinCoal02, Jan 13, 2017
    RollinCoal02, Jan 13, 2017
    #1
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  3. Jan 13, 2017 #2
    swaan

    swaan Road Train Member

    2,942
    4,374
    Jul 12, 2009
    BC canada
    0
    You crack the return line at the filter base.
    Not the feed.

    Ignore the the head. You do it from the return line on filter head. Crack that then crank the engine on the starter till u get no air out that fitting.
    Tighten the fitting after all air is bleed out and it should fire.

    You can do it on the primmer pump also but way easier on the starter. Faster too
     
    swaan, Jan 13, 2017
    swaan, Jan 13, 2017
    #2
    Oxbow Thanks this.
  4. Jan 13, 2017 #3
    RollinCoal02

    RollinCoal02 Bobtail Member

    37
    11
    Dec 28, 2016
    Green Bay, WI
    0
    yeah i tried all that, nothing worked.

    I pressurized the fuel tank cracked the 1st fuel filter till i got fuel then fired the truck up.
     
    RollinCoal02, Jan 13, 2017
    RollinCoal02, Jan 13, 2017
    #3
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