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EGR cooler Leaking coolant in under -10 Celsius

Discussion in 'Experienced Truckers' Advice' started by Gurjap, Jan 14, 2022.

  1. Jan 14, 2022 #1
    Gurjap

    Gurjap Light Load Member

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    Mar 18, 2020
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    Hello friends, I have a DD-16, 2015 western star.

    when the truck is parked and temperature gets colder than -10 Celsius/ 14 *F coolant begins to leak out of the EGR cooler. Any guidance as to why it’s happening and how to stop it will be greatly appreciated.

    thanks.
     
    Gurjap, Jan 14, 2022
    Gurjap, Jan 14, 2022
    #1
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  3. Jan 14, 2022 #2
    AModelCat

    AModelCat Road Train Member

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    Fix the leak.
     
    AModelCat, Jan 14, 2022
    AModelCat, Jan 14, 2022
    #2
    Gurjap and LoneRanger Thank this.
  4. Jan 14, 2022 #3
    LoneRanger

    LoneRanger Road Train Member

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    fix the leak is the best answer. But I’ll explain.

    when you get colder temperatures metal starts to contract, meaning weak weld points appear and wallah…… leaks.
     
    LoneRanger, Jan 14, 2022
    LoneRanger, Jan 14, 2022
    #3
    Gurjap Thanks this.
  5. Jan 15, 2022 #4
    Dockbumper

    Dockbumper Road Train Member

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    Voila!:D
     
    Dockbumper, Jan 15, 2022
    Dockbumper, Jan 15, 2022
    #4
  7. Jan 15, 2022 #5
    lester

    lester Midwest's #1 Feed Hauler

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    Yeah but not necessarily a weld or something that won't be fine when it's back above freezing.
     
    lester, Jan 15, 2022
    lester, Jan 15, 2022
    #5
    LoneRanger Thanks this.
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