2004 Chevrolet Silverado 1500 Crew Cab "heater blend door work" Questions

...it move chances are it is the door blend I hope this helps. Take the heater core lines of the water pump and push some water threw the lines or use some air and blow the lines out with low ...

heater coir aready. I would check the air blend door to see if it is working right. It may not be closing all the way leting cold air in! Try touching the heater hoses, if both are about the same temp

...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

...heater isn't working. The blend door actuator is on the bottom of the heater case and has one plug with 4 or 5 wires. It requires a 5.5mm socket to remove 3 screws and just pull down to release it. ...

...both heater hoses are hot. Sounds as if the 'Blend door actuator' function is not working. it is stuck on the cold and the gear that turns the door to open the gate for the hot air is stripped

...what could be the problem? the problem is caused by the motor that operates the air temp blend door motor in the heating ducts, it blends air between AC and heater core tro give desired outlet

...system is working If you know for a fact the compressor is running and one of the lines is cold, I would look for a blend door problem.  The blend doors direct air thru the heater and

...work fine. The unit just will not turn the air to blow out the floor or the defrost. Well could be your blend door motor,or you could have a bad heater/ac unit where just the directional is

...heater does not blow warm air, the ac works fine. I will be flushing the system later this week. I'm trying to locate the blend door actuators. Can anyone help. Had the same thing happen to my truck, ...

the heater has began to blow cold air only on my1999 chevy silverado. check anti-freeze level,needs to be full.heater blend door might not be working or engine thermostat could be bad