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Fuel filter. Do I need to change it? DD15

Discussion in 'Freightliner Forum' started by joseph1853, Oct 16, 2021.

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  1. Oct 16, 2021 #1
    joseph1853

    joseph1853 Road Train Member

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    So I drained the fluid out of my fuel filter yesterday and decided to check it again after running it an hour later and the filter was filled back up to around the middle which is where it was before? Does this mean the filter is at the end of its life? I haven't had this truck for very long and am not sure when it's been replaced last.
     
    joseph1853, Oct 16, 2021
    joseph1853, Oct 16, 2021
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  3. Oct 16, 2021 #2
    Short Fuse EOD

    Short Fuse EOD Road Train Member

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    Should be a line on bulb indicating when to change filter. My davco has this. Higher the level the sooner to replace. You may also check your fuel restriction gauge as well to aid you. - Unsure if cascadia has this gauge… one bad batch of fuel can expedite your level in the bulb!
     
    Short Fuse EOD, Oct 16, 2021
    Short Fuse EOD, Oct 16, 2021
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  4. Oct 17, 2021 #3
    truckdriver31

    truckdriver31 Road Train Member

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    fueling at the loves will expedite the filter too
     
    truckdriver31, Oct 17, 2021
    truckdriver31, Oct 17, 2021
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  5. Oct 17, 2021 #4
    InTooDeep

    InTooDeep Donner party survivor

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    Mine always runs just below half with new filter DD15
     
    InTooDeep, Oct 17, 2021
    InTooDeep, Oct 17, 2021
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  7. Oct 17, 2021 #5
    uncleal13

    uncleal13 Road Train Member

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    When the level gets up to the black line at top of filter, then it is time to change.
    Sometimes that can take a few years. So I change it annually at the latest.
     
    uncleal13, Oct 17, 2021
    uncleal13, Oct 17, 2021
    #5
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  8. Oct 17, 2021 #6
    Short Fuse EOD

    Short Fuse EOD Road Train Member

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    Wow, I change that feller about every 32k.
     
    Short Fuse EOD, Oct 17, 2021
    Short Fuse EOD, Oct 17, 2021
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  9. Oct 18, 2021 #7
    joseph1853

    joseph1853 Road Train Member

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    Oh great, that's the only place I fuel. I get the best discount there through Comdata.
     
    joseph1853, Oct 18, 2021
    joseph1853, Oct 18, 2021
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  10. Oct 18, 2021 #8
    joseph1853

    joseph1853 Road Train Member

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    That's where it was on mine. I've not seen it any higher than that so far. It's just seemed odd that I would drain it and then almost immediately it went back to that spot. How often do you drain yours? I heard Jason pope say he does his every day? Thought that was a bit excessive.
     
    joseph1853, Oct 18, 2021
    joseph1853, Oct 18, 2021
    #8
  11. Oct 18, 2021 #9
    truckdriver31

    truckdriver31 Road Train Member

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    c
    cleans the system great tho
     
    truckdriver31, Oct 18, 2021
    truckdriver31, Oct 18, 2021
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  12. Oct 19, 2021 #10
    InTooDeep

    InTooDeep Donner party survivor

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    I don't ever drain it till filter change. If there isn't any fuel in there you would be sucking air. Had the Oring slip once changing filter and it wouldn't run for #### and had to prime it ever time to start
     
    InTooDeep, Oct 19, 2021
    InTooDeep, Oct 19, 2021
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