2009 Prostar help

Discussion in 'International Forum' started by earnies2, Jan 28, 2018.

  1. Jan 28, 2018 #1
    earnies2

    earnies2 Medium Load Member

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    May 17, 2012
    Dedham, MA.
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    Yesterday whale dooing a service to the truck 2009 prostar premium i noticed a valve with 4 lines and a shutoff on top they look like fuel lines it is on the passenger side on top of the fuel tank mounted to the frame what is it and what does it do?
     
    earnies2, Jan 28, 2018
    earnies2, Jan 28, 2018
    #1
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  3. Jan 28, 2018 #2
    Heavyd

    Heavyd Road Train Member

    7,826
    6,276
    Feb 4, 2009
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    Could be fuel tank isolation valve, or a location where an apu was plumbed into the coolant lines. If you took some pictures of it and uploaded them, I could give you a better idea.
     
    Heavyd, Jan 28, 2018
    Heavyd, Jan 28, 2018
    #2
    earnies2 Thanks this.
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