I knew it had to do with the hvac so i tried changing settings on my digital hvac controls.
2005 trailblazer floor to dash vent mode actuator.
The airconditioner will only blow air through defrost and floor vents.
But having had a look it doesn t seem to be.
2005 obw dyi hvac vent mode actuator repair.
How to replace the mode actuator on trailblazer by robert moore.
The air blows cold but it is only coming out at the feet side vents and defrost.
The air won t blow out the dash vents.
Might need to compare to another 05 with the automatic hvac.
I ve tried to recalibrate by taking out the fuse waiting a couple minutes putting the fuse back in turning the car to run letting it go through its motions but that didn t work.
Posted by ross schneider on mar 20 2012.
I have no air from the panel vents.
I am getting air out of the floor and defrost vents but when the mode is set for the answered by a verified chevy mechanic.
Changed my battery and some relays on my 2005 chevy trailblazer lt.
The popping only lasted 30 40 seconds before stopping.
And floor i was told it is a faulty blend door actuator or a mode door actuator.
Follow the floor duct to the heating ventilation and air conditioning case.
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The air only blows out of defrost n floor vents.
Blend actuator helps combined cool and warm air to produce the proper desired temperature.
There is steady knocking in my dash actuator.
2006 chevy trailblazer front vents not blowing air out of the 4 dashboard vents when the control knob is turned to front vent setting.
I think its the mode actuator.
I took the dash out and found the flap actuators.
Nothing seemed to stop the popping but i did notice my air wasn t changing between modes defrost dash vents and floor vents it was stuck blowing air out the floor vents.
Heater control actuator regulates flow of hot air when heater is engaged.
Chevy trailblazer ss forum.
The gear was broken and the shaft was tuning in the gear instead of moving the hub.
It s in floor mode.
I have a 2005 chevy trailblazer.
I m attempting to repair the mode actuator itself.
I have the new part which includes a motor a bracket and cam type hub assembly that operates the levers for 3 different.
It blows out the floor vent and the defroster vent.
Remove the screws that secure the lower sound insulator to the driver side dash using a socket and ratchet.
I have determined it is the mode door actuator.
Recently my front vents stopped working on my 2004 chevy trailblazer.
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Lower the panel and remove it.
