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EGR cleaning

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by paphillyman, Oct 2, 2023.

  1. paphillyman

    paphillyman Member

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    before ya take all the hoses off the cooler , you can drain some coolant ( maybe about half of it?) out so ya don't have to deal with ant spills , my question is when you put it back in , do you have to but your car into maintenance mode to get any air bubbles out , or just fill it back up and you're good.
     
    #1 paphillyman, Oct 2, 2023
  2. ASRDogman

    ASRDogman Senior Member

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    If you fill it VERY SLOWLY, and a little at a time, and stop several time to allow it to
    settle and put the air out, you should be fine.

     
    #2 ASRDogman, Oct 2, 2023
  3. ASRDogman

    ASRDogman Senior Member

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    #3 ASRDogman, Oct 2, 2023
  4. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    See first link in my signature, second to last paragraph. Second link has more tips as well. On a phone turn it landscape to see signature.
     
    #4 Mendel Leisk, Oct 2, 2023
  5. paphillyman

    paphillyman Member

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    ty , like the part on leaving the upper most hose off til ya see coolant flowing out and pour it very slowly in a little at a time . sounds good tyvm
     
    #5 paphillyman, Oct 2, 2023
    Merv Himself and Mendel Leisk like this.
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