2004 Chevrolet Silverado 1500 Crew Cab "blend door" Questions

...blend door, or blend door actuator may be faulty. You can check this by watching the movement of the blend door actuator while you turn the temp selector knob. If the actuator is working, then it may ...

blend door motors are plastic and break with age. Another problem could be an air duct hose behind the dash may be off. If you are not pretty mechanically inclined you should take it to a repair shop.

...blend door itself can also be broken. This happened on my Tahoe. Typically it is a very labor intensive and costly fix to replace a broken blend door, as the dash must be removed and the plenum ...

blend door in the heater area of my '92 chevy c1500. I was told that is what makes a thumping noise when the key is on or off. this is some what normal, as long as it just once that you hear the noise

How to get a blend door unstuck so heat will work on a chevy 1999 silverado truck How do you know the blend door is stuck , could be a bad actuator .

heat now thats all it does is blow hot air Sounds like the blend door in the ducting has failed, this door is what controls the temp of the outlet air by blending heat and outside air or AC cooled air

...works but canmove switch from defrost Problem is usually a stuck or faulty blend door motor under the dash.The blend doors direct air  thru the heater and ac evaporator as well as the

...blend door in it, this directs the flow of air to its destination selected on the control. Sometimes something can block the door by falling in the vent or the door also has what is called a blend ...

...Blend Door Failure In all modern cars there is a tiny DC electric motor driven gear drive that moves a plastic door that blends heated and cooled air from the AC and the heater core, this is called ...