ntc 300 cummins fuel filter and air in system ?????

Discussion in 'Trucks [ Eighteen Wheelers ]' started by earthmover, Feb 16, 2014.

  1. earthmover

    earthmover Medium Load Member

    563
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    Jan 27, 2009
    castalia , north carolina
    0
    I replaced the fuel filter in my old gmc dump truck the other day and when I started to take it off I heard air and I notice that some times I have a surge like its running out of fuel but if I give it more pedal it stops and keep pulling...how can I bleed the aire out of the system if there is any???? thanks
     
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  3. Worthken

    Worthken Light Load Member

    265
    83
    Jun 2, 2012
    Delmas South Africa
    0
    If it's running it should bleed through on its own. Just make sure its not sucking air
     
  4. JohnP3

    JohnP3 Road Train Member

    1,594
    682
    Feb 21, 2010
    Rock Creek B.C. Canada
    0
    It may need a fuel system flush, I do not remember the name but it comes in a purple box, from Cummins, you run the engine with the contents of the box to clean the injectors. then do a set, base circle method.
    I have a #10 clear line made up to check the fuel inlet for air, and high restriction. That is important? using the proper filter a 1212 also helps a lot.
    Just a thought!
     
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