Black oil????

Discussion in '2017 - 2022 Ford F250+ Super Duty Forum' started by mbenazeraf, Jun 20, 2022.

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  1. mbenazeraf

    2020 F250 Super Duty Diesel Power Stroke. 25000 miles
    Had oil/filter changed this morning. Drove about 12 miles from Ford dealer to my house and decided to check the oil level.
    Level was good but the oil looked almost black. Is that normal, after 12 miles?

    Thanks.
     
    mbenazeraf, Jun 20, 2022
    #1
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  2. V10 NUT

    It is normal. Not sure of the scientific explanation for it though.
     
    V10 NUT, Jun 20, 2022
    #2

  3. mbenazeraf

    Thanks. Made me wonder a bit... Funny though...
     
    mbenazeraf, Jun 20, 2022
    #3

  4. V10 NUT

    Every diesel does it. From a little 2 litre right up to 16 litre truck engines. Turbo or not.
     
    V10 NUT, Jun 20, 2022
    #4
    captchas likes this.

  5. FTZ HAIC Staff Member Oregon Chapter Founding Member

    Its combustion soot that too fine for the filter, being in suspension by the oil. Its normal. :) Gas engines do it too, but don't get as sooty as quickly. It's one of the reasons diesels have higher oil capacity.
     
    Last edited: Jun 30, 2022
    FTZ HAIC, Jun 20, 2022
    #5

  6. captchas

    heck it happens even on the bigger diesel's , the twin C18a cats in my boat the oil turns jet black in a hours time, NORMAL don't lose sleep over it
     
    captchas, Jun 30, 2022
    #6

  7. DonW

    Yrs ago, MANY Nyrs ago I did maintenance on our diesel tractor trailers. We'd change the oil and filter, start them up to ck for leaks, shut it down pull dip stick....the oil was black..
     
    DonW, Jun 30, 2022
    #7
    captchas likes this.
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