2005 Chevrolet Silverado "ac blows defrost vent 2004" Questions

2004 silverado ac vent switch ac blows thru heat defrost vent scant adjust with switch Vac. Leak check under hood & behind dash vac.hose smaller than a pencil

...ac is not blowing through dash vents only through defrost vents these trucks are equipped with an electric vent door motor known as a vent actuator. I believe the actuator that controls this vent is ...

...ac is on max i believe it recirculates the air in the car by sucking air in by the defrost vents and blows it back out of the normal vents try to move the controls to make sure the that the shutters ...

AC blows 90 % out of the vents that blow toward you but all of a sudden and periodically the air (AC)will start blowing out of the DEFROST vents. Then in about 15 seconds it starts blowing back out of

ac only blows from defrost and floor vents.nothing blows from the front vents. Look for vacuum leaks. System is designed to fail in defrost mode. so.... vac hose off, for example, would cause an issue

...AC blows where you have your control switch set,if it only comes out your defroster have the vacuum check at the blend air doors or if you have a faulty heater control unit. a/c blows through dash ...

ac only blows through the defrost vents no matter what the controls are set to the air only comes out the defrost vents. the blend air door is stuck look down the heat vents to see if something fell ...

defrost has airflow it means the AC mode control switch has lost it engine vacuum source, track down the loss, it is either the switch is leaking in the control or the vacuum source is disconnected or

...AC BLOWS OUT VENTS UPON START UP BUT WHEN U GET GOING DOWN THE ROAD IT SWITCHES TO THE DEFROST THEN IF YOU STOP TURN OFF THE AC THEN TURN IT BACK ON THROUGH THE PANAL VENTS IT WORKS AGAIN TILL U PUT ...

AC & Hot air only blows out defroster The air distribution control doesn't change anything at all. All air comes ONLY from defroster vents May be I can help,you have a vent door actuator motor ...