T600 a/c blower fan box problems

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by kttrucker, Jun 8, 2018.

  1. kttrucker

    kttrucker Bobtail Member

    2
    0
    Sep 9, 2016
    0
    On my 2007 Kenworth T600 I'm having trouble getting air flow through my vents. I work in dusty conditions and have trouble plugging my evaporator up. So I blocked off the outside air inlet and run the controls on recirculate, but don't get much airflow. The blower motor works on all speeds, cleaned the evaporator, but can't figure out where the system gets the return air from inside the cabin. The blower acts like it's starved for air. Could someone give me some advice on what I need to do?
     
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  3. Dan0

    Dan0 Bobtail Member

    13
    11
    Jun 11, 2018
    Down south and all around
    0
    I've had ducts that were separated in the dashboard. That made a weak flow of air coming out the vents
     
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