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Volvo VNL 780 keeps overheating

Discussion in 'Volvo Forum' started by Ladytrukr, Aug 12, 2017.

Page 1 of 3
  1. Aug 12, 2017 #1
    Ladytrukr

    Ladytrukr Bobtail Member

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    Aug 12, 2017
    0
    Somebody please help me. I'm a new trucker, and of course while I'm loaded my high coolant level indicator comes on and he. A few minutes later my truck cuts off. I have injector #6 replaced not too long ago, and I just had my fuel filters replaced. Where do I start now?
     
    Ladytrukr, Aug 12, 2017
    Ladytrukr, Aug 12, 2017
    #1
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  3. Aug 12, 2017 #2
    AModelCat

    AModelCat Road Train Member

    27,732
    145,345
    Jul 7, 2015
    Canuckistan
    0
    Check the easy stuff first. Is the coolant level ok? Is the radiator clear of dirt and debris?
     
    AModelCat, Aug 12, 2017
    AModelCat, Aug 12, 2017
    #2
    Ladytrukr Thanks this.
  4. Aug 12, 2017 #3
    Ladytrukr

    Ladytrukr Bobtail Member

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    Aug 12, 2017
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    I chevked the coolant and I didn't see any dirt with radiator. The coolant was bubbling so I'm sitting waiting for it to cool off
     
    Ladytrukr, Aug 12, 2017
    Ladytrukr, Aug 12, 2017
    #3
  5. Aug 12, 2017 #4
    Benek

    Benek Light Load Member

    83
    39
    Feb 10, 2016
    0
    Take a garden hose and start washing front and back of a radiator, u want believe how much scum can a cumulative on the rad grid.
     
    Benek, Aug 12, 2017
    Benek, Aug 12, 2017
    #4
    CoyoteExpress, Ladytrukr and KillingTime Thank this.
  7. Aug 12, 2017 #5
    Benek

    Benek Light Load Member

    83
    39
    Feb 10, 2016
    0
    Also coolant temperature sensor
     
    Benek, Aug 12, 2017
    Benek, Aug 12, 2017
    #5
  8. Aug 13, 2017 #6
    KB3MMX

    KB3MMX Road Train Member

    3,057
    2,574
    Dec 29, 2014
    Orrstown, PA
    0
    Is the fan running fine?

    You can also add a manual fan switch
     
    KB3MMX, Aug 13, 2017
    KB3MMX, Aug 13, 2017
    #6
    Ladytrukr Thanks this.
  9. Aug 13, 2017 #7
    Bakerman

    Bakerman Road Train Member

    4,663
    8,806
    Jan 27, 2013
    Phoenix, AZ
    0
    I have replaced the coolant level sensor more than once.
     
    Bakerman, Aug 13, 2017
    Bakerman, Aug 13, 2017
    #7
    win-some-loose-less and KB3MMX Thank this.
  10. Aug 13, 2017 #8
    Ladytrukr

    Ladytrukr Bobtail Member

    47
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    Aug 12, 2017
    0
    I will try this
     
    Ladytrukr, Aug 13, 2017
    Ladytrukr, Aug 13, 2017
    #8
  11. Aug 13, 2017 #9
    Ladytrukr

    Ladytrukr Bobtail Member

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    Aug 12, 2017
    0
    The last I checked the sensor was good
     
    Ladytrukr, Aug 13, 2017
    Ladytrukr, Aug 13, 2017
    #9
  12. Aug 13, 2017 #10
    Ladytrukr

    Ladytrukr Bobtail Member

    47
    15
    Aug 12, 2017
    0
    Ok so I want to say yes but I'm not sure. It comes on a little after 210 I want to say, but when I shut the truck completely down I can still spin he can with my hand. I'm not sure I'm supposed to be able to do that
     
    Ladytrukr, Aug 13, 2017
    Ladytrukr, Aug 13, 2017
    #10
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