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Truck is getting hot

Discussion in 'Trucks [ Eighteen Wheelers ]' started by hass, Mar 14, 2010.

  1. Mar 14, 2010 #1
    hass

    hass Bobtail Member

    1
    0
    Mar 14, 2010
    bethalto Il
    0
    Driver says truck is getting hot but not blowing hot air and is starting to use more water?
    Said it gets up to 210 and no hot air then drop to 180 real quick and start blowing hot air again Im thinking its the thermostats and its boiling the water over? Any thoughts on this
     
    hass, Mar 14, 2010
    hass, Mar 14, 2010
    #1
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  3. Mar 14, 2010 #2
    Longhood379

    Longhood379 Medium Load Member

    389
    125
    Nov 30, 2009
    Cremona AB
    0
    sounds more like a circulation issue , heater air should be hot with a thermostat problem BTW what engine , truck, location ETC:biggrin_25515:
     
    Longhood379, Mar 14, 2010
    Longhood379, Mar 14, 2010
    #2
  4. Mar 14, 2010 #3
    JohnP3

    JohnP3 Road Train Member

    1,594
    684
    Feb 21, 2010
    Rock Creek B.C. Canada
    0
    When it is Cold check the coolant level. If it is a Cat, then I would say the water pump impeller is loose. To test it you have to put a pressure gauge in the block and see if you get coolant preasure, You should have at least 15 lbs above rad cap preasure if you take it to tempature, or if you run it up cold at say 1500 RPM and the preasure goes up and down, and it is full of coolant the pump is NO GOOD.
     
    JohnP3, Mar 14, 2010
    JohnP3, Mar 14, 2010
    #3
  5. Mar 14, 2010 #4
    Turbo45

    Turbo45 Bobtail Member

    39
    6
    Nov 16, 2009
    0
    x2 on the loose water pump impeller
     
    Turbo45, Mar 14, 2010
    Turbo45, Mar 14, 2010
    #4
  7. Mar 15, 2010 #5
    Heavyd

    Heavyd Road Train Member

    7,815
    6,268
    Feb 4, 2009
    0
    Same here.
     
    Heavyd, Mar 15, 2010
    Heavyd, Mar 15, 2010
    #5
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