Prostar Cummins ISX

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by niksafree, Nov 5, 2019.

  1. niksafree

    niksafree Bobtail Member

    11
    8
    Mar 24, 2018
    0
    Hello folks, I have a problem with heating.
    When I start the truck temperature goes to 180-190 everything looks normal, but it doesn't blow hot. Both actuators work, as far as I saw there are no valves to open under the hood near turbo.
    If I start driving 60 mph it gets warm, 65 mph warmer but still not hot.
    Thanks!
     
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