Fuel water separator

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Kenllah, Aug 23, 2018.

  1. Kenllah

    Kenllah Light Load Member

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    How is this thing supposed to work. Anyone seen this before or have experience? 20180823_120004.jpg 20180823_120013.jpg 20180823_120013.jpg 20180823_120013.jpg
     
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  3. ShooterK2

    ShooterK2 Road Train Member

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    Looks like it has a drain on the bottom to drain water off. I try to drain a few ounces out of mine every few days. I drain into an empty water bottle so I can get a good look and see what I’m dealing with.
     
    SAR Thanks this.
  4. Kenllah

    Kenllah Light Load Member

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    I open the bottom valve and air bubbles go in but nothing ever comes out 20180823_120019.jpg
     
  5. A5¢

    A5¢ Medium Load Member

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    Would that be a bleeder on top of the unit? If it is, crack that open and then open the bottom and see if that drains some fuel/water out.
     
    Goodysnap Thanks this.
  6. Kenllah

    Kenllah Light Load Member

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    Yes it is. Tried that already. The sediment bubbles up so I know it's not plugged up. Just can't get anything to come out
     
  7. wore out

    wore out Numbered Classic

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    I bet the drain it self is plugged up
     
  8. drdesl

    drdesl Light Load Member

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  9. Kenllah

    Kenllah Light Load Member

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    Air goes in the drain
     
  10. Goodysnap

    Goodysnap Road Train Member

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    @A5¢ has it. Open both valves. The drain and then the bleed on the top to let air in. Once the pressure equalizes the fuel will drain. On the suction side a small amount of vacuum remains and air will be drawn in the drain.
     
    SAR and wore out Thank this.
  11. Kenllah

    Kenllah Light Load Member

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    I have opened the bottom until the air stops coming in (the bubbles stop) then open the top as well and nothing. I'm tempted to take the dang thing off
     
    wore out Thanks this.
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