Blend door actuator locations.
2005 trailblazer floor to dash blower actuator.
Install the rear outlet duct and snug the screw.
I think its the mode actuator.
According to the schematics i had this was due to the mode control door not working right.
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Lift the parking brake to the fully engaged position.
The air won t blow out the dash vents.
Order chevrolet trailblazer a c heater blend door actuator online today.
Begin by identifying the problem either defrost mid or floor or temperature modes not working.
A forum for all things trailblazer ss.
We use a box and the word caution to tell about things that could hurt you if you were to ignore the warning.
Guide the center console into your trailblazer and into position.
The air would come out of the top vents when i started the car but it would start clicking then the top vents would close and all the air would come out the floor vents.
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These units can be either hanging in front of you or in a little more obscure places such as on the side the hvac plenum.
It blows out the floor vent and the defroster vent but it won t change and blow out the dash vent.
Later i replaced the car s 05 trailblazer battery and the top vents quit working.
Hvac mode actuator door replacement chevy trailblazer trailblazer ss and gmc envoy forum from what i am reading from this you can access it by just removing the lower dash panel on the driver side and laying on your back you access the actuator with alittle patience and dealing with alittle space.
I took it in and had to replace the motor that controlled the flap that controlled the air going to defroster feet and face vents.
Connect the wiring connectors and slide the console forward.
Its near the steering column and if you have adjustable pedals its a bear to change.
Not through the dash vents.
Install a new actuator to the case and tighten the screws to 17 inch pounds.
Safety warnings and symbols there are a number of safety cautions in this book.
This 2003 gmc envoy came in with the complaint that the a c will only blow out the defrost and floor.
Air wont blow out of upper vents only dash and i had the same exact problem happen with my 2004 gmc envoy a few months ago.
Chevy trailblazer ss forum.
I checked codes and found a code b0263 for a fault with the mode actuator.
The actual motor was only 100 but they had to remove the whole dash and it was an all day job.
