...air will come out through the defrost and floor vents only. I have tried to recalibrate the actuators by removing the HVAC fuses with no luck. I am no torn between should I replace the the actuators ...
...air vent actuator control has lost vacume source. check for disconnected vacume lines at actuators at blend doors.also check vacume lines in engine compartment. these small vacume lines brake easily ...
2003 TB when i put the heater on i only get hot air out of driverside and cold air on passenger side ? One of the blend doors or its actuator has failed. These parts are hard to get to behind the dash
...not changing If what you mean is that the air comes out the defrost rather than the vents, this may be a vacuum leak, bad vacuum check valve, or bad blend door actuator. ...
Question about Chevrolet TrailBlazer
...air blow out. Occurs intermittently.Sometimes I can turn the switch to heater, then slowly back to A/C and it will start working. thereis an actuator controling the flap t may be cracked causing the ...
hvac system blow hot air 1 compress clutch work 2 charge on system good with alc off blow hot air where are the two blend door actuator located Attached is a diagram of actuator locations
...air flow..You could double check connection at the switch and for spot wear...sometimes it also be the ( BLEND DOOR MOTOR/ACTUATOR ) This is what opens and closes the doors..It is very important to ...
Question about Chevrolet TrailBlazer
...air, and will not change to the defost vents or the floor vents. Can this be the blend door actuator? And if so where is it I replaced the blower motor resistor since the fan speeds were not all ...
...air on upper vents, have lower and rear Also have dual controls any connection? When the battery is disconnected the HVAC loses its calibration and when power is restored, it will go thru a ...
...blend door actuator on trailblazer Air does not come out of front vents a d was told by mechanic it needed to be reset Try looking at this link. Maybe this can shed some light on your issue. Follow ...
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