DD13 fuel rail leak

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by OldeSkool, Oct 25, 2021.

  1. OldeSkool

    OldeSkool Road Train Member

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    Jul 17, 2018
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    I have a diesel leak I’m wondering how difficult it is to fix. 2017 Freightliner Cascadia DD13 Detroit. 06DB4F78-CD78-46EC-9349-471B44287C7F.jpeg
     
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  3. ibcalm19

    ibcalm19 Road Train Member

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    Nov 30, 2015
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    It looks like it's the seals. I would get the service bulletin for doing them unless you want to get the service manual. All the best
     
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  4. msh

    msh Light Load Member

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    Jul 18, 2021
    Los Angeles, CA
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    seals are bad. When you put new seals make sure to have TOP writing(its on seal) up...
     
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