Another Coolant Leak!?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by PE_T, May 5, 2020.

  1. PE_T

    PE_T Road Train Member

    I found a coolant leak under the cab on the driver side in between the driver seat and the sleeper mattress. It’s leaking on top of the fuel tank. Is that a heater core? Both hoses are leaking, so it doesn’t look like the hoses are damaged. This is on a 2014 Freightliner Cascadia DD15.

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    Last edited: May 5, 2020
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  3. wtokhi

    wtokhi Light Load Member

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    yes thats ur heater core, if i were you id change the heater core along with hoses and clamps, if i remember correctly the heater core is accessed from under the sleeper bed
     
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  4. uncleal13

    uncleal13 Road Train Member

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    QUALITYTRUCK, Rideandrepair and PE_T Thank this.
  5. PE_T

    PE_T Road Train Member

    Cool! I didn’t think about trying to look it up here.
     
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  6. Rideandrepair

    Rideandrepair Road Train Member

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    Same Truck you just flushed and filled? At least you can turn off valve, nothing lost. Just when you thought it was all set for a while.
     
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  7. HoneyBadger67

    HoneyBadger67 Road Train Member

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    One thing I've learned with owning a truck, you're never "all set for a while". As soon as one job is complete, another one makes itself evident.
     
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