1996 GMC Sonoma "vent direction vacuum" Questions

ac not blowing out top dash vents My AC cools fine but I have no air blowing out the top dash vents. Only blow under dash. Kenny The baffles that direct air, heated or cooled, are controlled by vacuum

air not blowing out top dash vents My AC cools fine but I have no air blowing out the top dash vents. Only blows under dash. Kenny Just posted my suspicions elsewhere: The baffles that direct air, ...

...vent controls now work. Unfortunately I cannot find a vacuum diagram to tell me where the line into the fender ends up. There are two components that alter airflow in these, and there's a good chance ...

...vent selection is inside the dash, behind the control switches you use to select the vents the heat/AC will come out. When you move the selection levers, there's a few things that happen. Vacuum is ...

...vacuum hoses for the a/c vent doors or if it has actuator motors that control the vent doors. I can't get the climate control switch to switch the vents from the front vents to the floor vents or the ...

...(foot area) vent connects to vent box behind console. There is a flap inside that is controlled by vacuum lines. Either a vacuum line came off, the vacuum actuator is faulty, or the flap is

...direction for air flow. when there is a vacuum leak, the control door defaults to the defrost vent. the motor, vacuum lines and directional control knob must be inspected. most of the time i have ...

...a vacuum motor (which controls the vent doors opening/closing) or the switch on the dash which directs vacuum to each vacuum motor gone bad. check the vent selection knob, it's turn to dash board ...

...DIRECTION FOR THE AIR TO BLOW IN THE CABIN DEFROST VENT/FLOOR VENT/DASH VENTS. AIR ONLY COMES FROM THE DEFROST VENT. A/C SYSTEM AND VENT AND HEAT ALL WORK WELL JUST BLOW FROM THE DEFROST VENT. CAN'T ...

vent direction. It uses a series of actuators (electrical). My guess is that the air blows out the defrost (top vents) this is the default position for the mode door actuator. More than likely it will