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Fuel In radiator? Can diesel get into the coolant system?

Discussion in 'Freightliner Forum' started by jsnell, Oct 26, 2017.

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  1. Oct 26, 2017 #1
    jsnell

    jsnell Light Load Member

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    14l detroit. Has green antifreeze in it and clear with yellow tint liquid that smells like diesel in over flow tank. Can diesel get into the cooling system?
     
    jsnell, Oct 26, 2017
    jsnell, Oct 26, 2017
    #1
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  3. Oct 26, 2017 #2
    stayinback

    stayinback Road Train Member

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    As I Never opened up an engine myself..(Done everything else) I Think diesel can get into the cooling system with leaky O-rings on injectors- Probably other ways too that im not sure of
     
    stayinback, Oct 26, 2017
    stayinback, Oct 26, 2017
    #2
    mhyn and jsnell Thank this.
  4. Oct 26, 2017 #3
    jsnell

    jsnell Light Load Member

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    Thank you stayinback Yep I thought injectors but have never had it happen. Do you know how to test for this
     
    jsnell, Oct 26, 2017
    jsnell, Oct 26, 2017
    #3
    stayinback Thanks this.
  5. Oct 26, 2017 #4
    stayinback

    stayinback Road Train Member

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    No I Do not..But there are many on here that can assist better than me, Who are actual mechanics
     
    stayinback, Oct 26, 2017
    stayinback, Oct 26, 2017
    #4
    jsnell Thanks this.
  7. Oct 26, 2017 #5
    baha

    baha Road Train Member

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    CK. to see if your truck has the heater core type heaters inside fuel tanks? look for heater lines leading into top side of fuel tanks,
     
    baha, Oct 26, 2017
    baha, Oct 26, 2017
    #5
    Bean Jr. and jsnell Thank this.
  8. Oct 26, 2017 #6
    CleverNDGuy

    CleverNDGuy Light Load Member

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    Jan 25, 2016
    Bakken Basin
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    Injector cups
     
    CleverNDGuy, Oct 26, 2017
    CleverNDGuy, Oct 26, 2017
    #6
    peterbilt_2005, bzinger, Mattflat362 and 1 other person Thank this.
  9. Oct 26, 2017 #7
    jsnell

    jsnell Light Load Member

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    Thank you baha. No heater lines in tanks.
    Thank you CleverNDGuy that's what I think but I want to know for sure
     
    jsnell, Oct 26, 2017
    jsnell, Oct 26, 2017
    #7
  10. Oct 26, 2017 #8
    jsnell

    jsnell Light Load Member

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    Got green antifreeze dripping out of a heater line and the clear yellow diesel smelling liquid in fill tank. I don't know how unless diesel is lighter than antifreeze
     
    jsnell, Oct 26, 2017
    jsnell, Oct 26, 2017
    #8
  11. Oct 26, 2017 #9
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    romulus,mi
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    The injector cups are stainless steel and rarely to they cavitate like the old copper ones. It is going to be the injector cup o rings. You need a special tool and a lot of patience to do this job properly.
     
    QUALITYTRUCK, Oct 26, 2017
    QUALITYTRUCK, Oct 26, 2017
    #9
    mhyn and jsnell Thank this.
  12. Oct 26, 2017 #10
    nax

    nax Road Train Member

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    Amazing....
     
    nax, Oct 26, 2017
    nax, Oct 26, 2017
    #10
    Bean Jr. Thanks this.
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