2000 GMC New Sierra 1500 "heater actuator" Questions

...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 ...

...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 ...

...will not get hot, barely warm. Replaced blend door actuator, no difference. ID BE LOOKING AT THE HEATER CORE FOR LEAKING. YOU MIGHT PRESSURE TEST IT FOR AN HR. YOU WILL MOST LIKELY FIND THE

Recently, on a cool rainy morning I turned my heater to defrost in order to clear my windshield. Later that day as the temperature rose, I tried to use my AC, but my vents stayed stuck on defrost, and

the heater wont work no heat comes out when i push the hot button THIS IS CAUSED BY A DEFECTIVE TEMPERATURE CONTROL BLEND DOOR ACTUATOR MOTOR

clicking noise in the heater box sounds like a blend door actuator, when does it click?temperature or changing air flow.

...heater door actuator is not allowing the door to swing into the heat position...as for the temp gauge there is a recall for a bad insterment cluster for that truck...a circuit board is cracked in the ...

...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 ...

actuator problem. Cannot tell if odor is coming from all vents or not. Nothing obvious under the hood and all gages remain unchanged after 10 minutes or so driving. We think maybe it only happens when