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Freightliner Park Smart Apu Heat works for 30 min after truck shut off then quits

Discussion in 'Freightliner Forum' started by LakenT, Jan 29, 2023.

  1. Jan 29, 2023 #1
    LakenT

    LakenT Bobtail Member

    21
    3
    Jun 19, 2022
    0
    We run the parksmart apu on our trucks. I have noticed after 30 min the heat stops after truck is turned off. I have check all batteires. The air still blows but the heat quits. What is the fix to this. Could it be heater core?
    Thanks!
     
    LakenT, Jan 29, 2023
    LakenT, Jan 29, 2023
    #1
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  3. Feb 1, 2023 #2
    SWM_TECH

    SWM_TECH Light Load Member

    123
    129
    Apr 15, 2018
    0
    Does this have auxiliary diesel fire water heater? I don't have much first hand experience with troubleshooting the Park Smart but would like to learn. If you would post the last 6 digits of your VIN we get you more accurate information.
     
    SWM_TECH, Feb 1, 2023
    SWM_TECH, Feb 1, 2023
    #2
  4. Feb 1, 2023 #3
    Crude Truckin'

    Crude Truckin' Alien Spacecraft

    2,201
    5,707
    Oct 22, 2016
    North Dakota, Eh?
    0
    When's the last time the heater was serviced? We usually get 1 to 2 years before they need to be gone through. Little screen in the combustion chamber gets crappy and it wont tun.
     
    Crude Truckin', Feb 1, 2023
    Crude Truckin', Feb 1, 2023
    #3
    Dave_in_AZ Thanks this.
  5. Feb 20, 2023 #4
    LakenT

    LakenT Bobtail Member

    21
    3
    Jun 19, 2022
    0
    Thanks I just bought a new one and will rebuild the old one.
     
    LakenT, Feb 20, 2023
    LakenT, Feb 20, 2023
    #4
    Crude Truckin' and Dave_in_AZ Thank this.
  7. Feb 20, 2023 #5
    Dave_in_AZ

    Dave_in_AZ Road Train Member

    49,807
    315,573
    May 4, 2015
    0
    Knock on wood, ours is working like a champ. It heats the block too. 10 degrees outside, water temp in block is 150.
     
    Dave_in_AZ, Feb 20, 2023
    Dave_in_AZ, Feb 20, 2023
    #5
    Crude Truckin' Thanks this.
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