98 Kenworth t800 fuel issue

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jackhicks46290, Jan 27, 2016.

  1. jackhicks46290

    jackhicks46290 Bobtail Member

    8
    1
    Jan 13, 2016
    0
    My fuel is getting sucked from diver tank and making my passengerntank over flow please help...
     
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  3. wadamc

    wadamc Light Load Member

    52
    24
    Mar 7, 2013
    North Dakota
    0
    One of your tank vents is plugged. There should be a plastic tube that comes out of a fitting on the top and runs back behind the tank. Pull it out and clear it.
     
  4. bavarian

    bavarian Heavy Load Member

    729
    783
    Feb 13, 2014
    Winnipeg
    0
    If you have shut down valves make sure they're both open. Gelling could be another reason. Had mine do the same last week. It returned fuel into both tanks but took it from one only. Hit the shut off valve a few times after I put 911 in and it leveled out.
     
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