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Coolant Leak Under Glovebox?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by PE_T, Dec 17, 2018.

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  1. Dec 17, 2018 #1
    PE_T

    PE_T Road Train Member

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    It looks like coolant is traveling through some thick plastic tubes. Do these things have some sort of rubber seals? Has anyone encountered this before? Images below. I have a 2014 Freightliner Cascadia.
     

    Attached Files:

    PE_T, Dec 17, 2018
    PE_T, Dec 17, 2018
    #1
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  3. Dec 17, 2018 #2
    stayinback

    stayinback Road Train Member

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    Heater Core-
     
    stayinback, Dec 17, 2018
    stayinback, Dec 17, 2018
    #2
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  4. Dec 17, 2018 #3
    Rideandrepair

    Rideandrepair Road Train Member

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    Look like corrosion from condensation. I don’t see actual leak Have you seen actual antifreeze?
     
    Rideandrepair, Dec 17, 2018
    Rideandrepair, Dec 17, 2018
    #3
    PE_T Thanks this.
  5. Dec 17, 2018 #4
    PE_T

    PE_T Road Train Member

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    Thanks. I was able to find a short video on YouTube on how to replace it.
     
    PE_T, Dec 17, 2018
    PE_T, Dec 17, 2018
    #4
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  7. Dec 17, 2018 #5
    PE_T

    PE_T Road Train Member

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    It does leak coolant. I remember smelling coolant while driving, but couldn’t find a coolant leak under the hood. It turned out to be leaking inside my cab.
     
    PE_T, Dec 17, 2018
    PE_T, Dec 17, 2018
    #5
    Rideandrepair Thanks this.
  8. Dec 17, 2018 #6
    FdEF

    FdEF Light Load Member

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    Dec 5, 2017
    Ogden, Ut
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    I wonder what in the world would cause a 5 year old truck to have a bad heater core
     
    FdEF, Dec 17, 2018
    FdEF, Dec 17, 2018
    #6
  9. Dec 17, 2018 #8
    boneebone

    boneebone Road Train Member

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    A bad heater core would cause a 5 year old truck to have a bad heater core.
     
    boneebone, Dec 17, 2018
    boneebone, Dec 17, 2018
    #8
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  10. Dec 17, 2018 #8
    PE_T

    PE_T Road Train Member

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    It may be because my truck has almost 700k miles. Now, I haven’t verified if it is the heater core, but I’d say it is very likely.
     
    PE_T, Dec 17, 2018
    PE_T, Dec 17, 2018
    #8
  11. Dec 17, 2018 #9
    DYLAN_131

    DYLAN_131 Light Load Member

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    Nov 21, 2018
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    700K miles in 5 years means 140K miles/year. That's a fair amount and stress on the truck. A bad heater core is definitely plausible. I'd replace the heater core if for nothing else, preventative maintenance. It could be clogged, etc.

    Wish you luck!
     
    DYLAN_131, Dec 17, 2018
    DYLAN_131, Dec 17, 2018
    #9
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  12. Dec 19, 2018 #10
    FdEF

    FdEF Light Load Member

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    Dec 5, 2017
    Ogden, Ut
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    Thank you for clearing that up for me. You must be a driver. I guess if you look at the time and not the mileage it seems too early but 140k a year is a lot
     
    FdEF, Dec 19, 2018
    FdEF, Dec 19, 2018
    #10
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