DPF Cleaning.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Happydan, Sep 1, 2019.

  1. Happydan

    Happydan Bobtail Member

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    Sep 1, 2019
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    Has anyone tried pressure washing their DPF and DOC?
     
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  3. 062

    062 Road Train Member

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    @mhyn has posted about it.
     
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  4. McMahons Trucking

    McMahons Trucking Light Load Member

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    I watched a few videos on youtube about it Basically the guy took the filter out and took it to the car wash. Pressure washed it and and let it dry over the weekend.
     
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  5. spsauerland

    spsauerland Road Train Member

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    It works. Let it dry overnight.
     
  6. me myself and I

    me myself and I Heavy Load Member

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    I did. At car wash. Seems to be working.
     
  7. jed222

    jed222 Bobtail Member

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    Nov 14, 2019
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    I would think pressure washing would turn that ash load to cement may seem clean but the filter capacity may be greatly reduced causing excessive regen
     
  8. Tx Countryboy

    Tx Countryboy Road Train Member

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    A guy on here been doing it every year at a car wash & no problem .
     
    Last edited by a moderator: Nov 15, 2019
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  9. spsauerland

    spsauerland Road Train Member

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    I know for fact that one of the nation's largest rental/leasing companies shops pressure washes theirs and have no issues. The last independent truck engine builder told this particular shop that pressure washing is very effective way to clean them, but can't endorse it because not properly collecting the waste.
     
  10. 4vmach1

    4vmach1 Light Load Member

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    Apr 3, 2013
    Los Angeles, CA
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    LOL we use to wash the DOC at the dealer. I guess it works and i don't see it harming the DPF.
     
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