How to clean EPA10 DD15 One Box DPF filters

Discussion in 'Trucks [ Eighteen Wheelers ]' started by ShortCircuit, May 3, 2019.

  1. ShortCircuit

    ShortCircuit Bobtail Member

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    May 7, 2017
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    So you have SPN 3720 FMI 15 code that means you are about to be $2200-$2800 lighter in the wallet. Watch this guide and you'll be able to save major $$$. I have been doing this for many years, saves tons of money vs. going to a dealer and getting re-manufactured DPF cans. Hope this helps all DD13, 15, 16 owners with EPA10 one box after treatment system.

     
    loudtom, uncleal13, mhyn and 2 others Thank this.
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  3. me myself and I

    me myself and I Heavy Load Member

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    Oct 5, 2009
    vernon hills,Il
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    Nice glasses. How did you get DOC yemp sensor out?
     
  4. ShortCircuit

    ShortCircuit Bobtail Member

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    May 7, 2017
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    Simple 17mm box wrench. It’s held in place by a compression nut.
     
  5. mhyn

    mhyn Road Train Member

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    Dec 29, 2008
    Northridge, CA
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    first time I cleaned my dpfs 2 years ago. to avoid damage I did not use pressure washer. my waterline has 45psi pressure and I used Nelson Firemen nozzle installed on garden hose . at least 3-4 times must it be washed from both sides. First I saw black soot was coming out, later brown ash started coming g out.
     
  6. uncleal13

    uncleal13 Road Train Member

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    Apr 9, 2009
    Humboldt, Sk
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    Cool, I know mine is getting close to needing this.
     
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