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2013 Cascadia Fuel Leak

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by bossboy2, Jan 25, 2018.

  1. Jan 25, 2018 #1
    bossboy2

    bossboy2 Light Load Member

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    Aug 20, 2011
    Houston, TX
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    I can smell fuel as I'm driving down the road. Every time I look for a leak there is nothing to be found. No traces, no wet spots, no wicking, nothing. Engine is a DD13, Freightliner Cascadia 2013. I can also smell exhaust at times too. Again, no indication of a leak anywhere. Any help would be greatly appreciated.
     
    bossboy2, Jan 25, 2018
    bossboy2, Jan 25, 2018
    #1
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  3. Jan 26, 2018 #2
    bossboy2

    bossboy2 Light Load Member

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    Aug 20, 2011
    Houston, TX
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    Bump
     
    bossboy2, Jan 26, 2018
    bossboy2, Jan 26, 2018
    #2
  4. Jan 26, 2018 #3
    uncleal13

    uncleal13 Road Train Member

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    Apr 9, 2009
    Humboldt, Sk
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    Could be the diesel doser line or block that injects fuel after the turbo, before the DPF.
    May explain the two smells at the same time.
     
    uncleal13, Jan 26, 2018
    uncleal13, Jan 26, 2018
    #3
  5. Jan 26, 2018 #4
    bossboy2

    bossboy2 Light Load Member

    264
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    Aug 20, 2011
    Houston, TX
    0
    Uncleal13, Already checked that. I was thinking it could be the bellows pipe just downstream of the 7th injector. Also, you don't necessarily smell them both at the same time.
     
    bossboy2, Jan 26, 2018
    bossboy2, Jan 26, 2018
    #4
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