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High coolant temp when idling 2009 Volvo with D13

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Markovkus, Dec 2, 2017.

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  1. Dec 2, 2017 #1
    Markovkus

    Markovkus Bobtail Member

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    Dec 2, 2017
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    Hello drivers!
    Need your advice. My coolant temperature slowly rises when idling. Sometimes even gets to 215 and fan kicks on. But usually holds 190-200 degrees. Also noticed temperature to go up when in traffic. As soon as I get cruising speed it gets to normal.
    2009 Volvo with D13 manual 13sp
    Did replace thermostat, did flush the system and filled it with fresh coolant. Still does same thing.
    Also noticed my APU started shutting down due to overheating. It's connected to trucks coolant system. When I start the truck and run APU at the same time APU keeps running with no problem.
    Any ideas?
    Promise to report what the problem was when solved)))
     
    Last edited: Dec 2, 2017
    Markovkus, Dec 2, 2017
    Markovkus, Dec 2, 2017
    #1
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  3. Dec 2, 2017 #2
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,816
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    Jun 14, 2009
    romulus,mi
    0
    Your radiator/charge air cooler needs to be power washed. The air flow is restricted. The proper way to do it is to remove the whole assembly, split it apart, re assemble. If you go to self serve wash with $10 quarters, it should solve your problems.
     
    QUALITYTRUCK, Dec 2, 2017
    QUALITYTRUCK, Dec 2, 2017
    #2
    Markovkus Thanks this.
  4. Dec 2, 2017 #3
    Markovkus

    Markovkus Bobtail Member

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    Just did it today. Doing same #### thing. Radiator wasn't really dirty outside though
     
    Markovkus, Dec 2, 2017
    Markovkus, Dec 2, 2017
    #3
  5. Dec 2, 2017 #4
    weekend_warrior91

    weekend_warrior91 Bobtail Member

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    Apr 16, 2016
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    My Detroit S60 was doing the same thing this past summer. I’ve only had the truck less than a year but after 5 months I had to replace the radiator siento a leak. Flushed and recharged with coolant, and haven’t had it idle hot ever since.
     
    weekend_warrior91, Dec 2, 2017
    weekend_warrior91, Dec 2, 2017
    #4
    Markovkus Thanks this.
  7. Dec 2, 2017 #5
    cmrdev

    cmrdev Medium Load Member

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    Oct 13, 2017
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    If it’s just an idling issue, sounds like you water pump ain’t pushing the volume it needs to be. You already changed the thermostat and you say it’s only an idling issue. So when you driving, it’s cooling enough to where it cools enough even on limited flow. So my brain tells me it’s a water pump issue becuase it’s only where air flow isn’t help cooling. That’s my 2 cents
     
    cmrdev, Dec 2, 2017
    cmrdev, Dec 2, 2017
    #5
    Markovkus Thanks this.
  8. Dec 2, 2017 #7
    Markovkus

    Markovkus Bobtail Member

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    When that happened did you notice that your air blows hot from vents even if it's set all the way to cold?
     
    Markovkus, Dec 2, 2017
    Markovkus, Dec 2, 2017
    #7
  9. Dec 2, 2017 #8
    Markovkus

    Markovkus Bobtail Member

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    Dec 2, 2017
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    Really appreciate your thoughts. How do you think if there is an air/gases leak from compressor/head would cause overheating all the time or it it also can do it when idling only? I'll do oil/coolant test as soon I get back from my trip . Just trying to figure out...
    And another thing why APU started to over heat as well? I doubt it's water pump shot at the same time...
     
    Markovkus, Dec 2, 2017
    Markovkus, Dec 2, 2017
    #8
  10. Dec 2, 2017 #8
    cmrdev

    cmrdev Medium Load Member

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    Oct 13, 2017
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    Well in most cases you should have bubbles coming out of your radiator or pressurized coolant system if you have a head gasket problem. Doesn’t sound like that’s your issue though
     
    cmrdev, Dec 2, 2017
    cmrdev, Dec 2, 2017
    #8
    Markovkus Thanks this.
  11. Dec 2, 2017 #9
    Markovkus

    Markovkus Bobtail Member

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    Dec 2, 2017
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    I didn't notice any bubbles there. How do you figure out if system is over pressurized? I feel the rubber hoses under some pressure but there should be some pressure right?
     
    Markovkus, Dec 2, 2017
    Markovkus, Dec 2, 2017
    #9
  12. Dec 6, 2017 #10
    Oxbow

    Oxbow Road Train Member

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    Idaho
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    I know nothing about Volvos or your APU, but it seems normal to me to have the temp come up and the fan kick on when idling, as there is no air movement.
     
    Oxbow, Dec 6, 2017
    Oxbow, Dec 6, 2017
    #10
    Markovkus and SAR Thank this.
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