...heater only blows out the floor even when the knob is turned to defrost...also, it squeals when the blower is on...how do i fix? sounds like the actuator is bad also known as the blend door it flaps ...
...Heater is stuck on full heat. It is not responding when I turn the dial to make colder. sounds like you have a bad actuator motor that is what moves the door in heater box to change from hot to ...
...actuator cam to the HVAC module. Align the heater/defroster valve lever with the cam slot Align the A/C valve lever with the cam Install the mode actuator mounting screws. Connect the mode actuator ...
Question about 2000 New Sierra 1500
...then it sounds that your HVAC blend vent doors are very slowly opening...This could mean the door actuators are wearing out or the plastic vent doors are contaminated at the hinge and slowly
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