2013 KW T680 W/Paccar MX13

Discussion in 'Ask An Owner Operator' started by Dickdogg1, Feb 26, 2021.

  1. Dickdogg1

    Dickdogg1 Bobtail Member

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    I have a 2013 KW T680 W/Paccar MX13 Engine in it . I have 770k on the ECM and it’s deleted. I Pretrip and post trip every run . Post trip inspection the other day noticed diesel fuel in the coolant reservoir. Has anyone with a Similar Truck ever had this problem. Thanks
     
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  3. Spyro2112

    Spyro2112 Medium Load Member

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  4. Dickdogg1

    Dickdogg1 Bobtail Member

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    Okay thanks, I’m gonna check that
     
  5. roadtech

    roadtech Medium Load Member

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    Usually when a truck is deleted the EGR cooler is “ deleted “ blocked off and shouldn’t be the problem. It could be injector cup seals.
     
  6. Dickdogg1

    Dickdogg1 Bobtail Member

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    The egr wasn’t removed. Someone else mentioned the injector cup seals but they say the ones in the Paccar head are pressed in
     
  7. AModelCat

    AModelCat Road Train Member

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    How does an EGR cooler put fuel in the coolant? It can't, completely impossible. EGR cooler cools exhaust gas with coolant. Fuel is never anywhere near it.

    More than likely you've got an injector cup or o-ring leaking.
     
    jsnell Thanks this.
  8. Dickdogg1

    Dickdogg1 Bobtail Member

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  9. roadtech

    roadtech Medium Load Member

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    The EGR cooler is never removed when a truck is deleted. It’s. Still there , it’s just blocked off. As mentioned before it has nothing to do with fuel. A bad EGR cooler will cause coolant loss, not diesel in the coolant.
    I’m not sure on a paccar as far as injector cups , but they do leak diesel into your coolant and the diesel will destroy all your coolant hoses. When you do find out your problem it’s super important that you flush your whole coolant system a few times with degreaser. You want to get all the diesel out . The diesel destroy all the coolant and heater hoses and they will blow one by one.
     
  10. Dickdogg1

    Dickdogg1 Bobtail Member

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  11. Pursy

    Pursy Bobtail Member

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    A good way to flush oil or diesel out of the cooling system is liquid dishwasher detergent. We run the truck around for a couple of days with it in.
     
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