AC blows hot air in front and cold air in rear

Asked by May 22, 2017 at 11:43 AM about the 1996 GMC Suburban K1500 4WD

Question type: Maintenance & Repair

Changed actuaor by gas pedal bc air would not blow through front vents. But the air that comes out is hot while the rear is cold. I looked behind the glove box and that actuator moves when switch the hot/cold knob back and forth. But i dont know if the door is actually closed bc someone said the air could be going through the heat coil. IDK

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