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Black ash under the Hood

Discussion in 'Ask An Owner Operator' started by 4R TRK, Mar 9, 2021.

  1. Mar 9, 2021 #1
    4R TRK

    4R TRK Bobtail Member

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    Mar 9, 2021
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    I have a 2008 Frieghtliner Century and it suddenly started leaving black ash all over the place under my hood and even getting inside my cab . I’ve checked the whole exhaust system and don’t see any breaks or cracks. It’s gotten bad that I wiped my face and had black particles all over the towel I used . Any help finding what it could be is appreciated.
     
    4R TRK, Mar 9, 2021
    4R TRK, Mar 9, 2021
    #1
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  3. Mar 9, 2021 #2
    buddyd157

    buddyd157 Road Train Member

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    under a shade tree
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    could be an exhaust manifold leak, maybe a leaking gasket at the turbo, maybe the flex exhaust pipe is slit at one of the sections?

    you could try a spray bottle of water, with the engine running, spray one area at a time, if it blows back at you, you found it.
     
    buddyd157, Mar 9, 2021
    buddyd157, Mar 9, 2021
    #2
    Vampire Thanks this.
  4. Mar 9, 2021 #3
    Spyro2112

    Spyro2112 Medium Load Member

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    Mar 17, 2018
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    Exhaust leek flang behind turbo
     
    Spyro2112, Mar 9, 2021
    Spyro2112, Mar 9, 2021
    #3
  5. Mar 10, 2021 #4
    magoo68

    magoo68 Road Train Member

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    st malo mb canada
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    Find that leak before it kills you!!!!! Exhaust fumes can put you to sleep while driving btw. Change shops if your current one can’t find such a major leak.
     
    magoo68, Mar 10, 2021
    magoo68, Mar 10, 2021
    #4
    Spartan101 and 86scotty Thank this.
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