Notice the gear in the picture.
Trailblazer ss mode door actuator.
Press the mode button to get air to blow on the face with hot or cold i cannot.
Your 2009 chevy trailblazer has two mode door actuators one for the front and one for the rear.
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I also disconnected the harness from the actuator.
Get the air to blow out of the floor vents when i push the mode button and change from face bi level but air stop flowing from to face when i push the button.
Passenger side actuator replacement a tip to fixing it for free.
To replace the rear you need to remove the center console.
Once the pedal was removed i had a enough clearance to reach up with a 1 4 ratchet and 5 5mm socket to remove two screws from the mode actuator.
I just had dealer fix my door actuator for free and part i see on my paperwork is.
No clicking sounds or anything g.
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For some time my trailblazer would not blow air out of the front vents.
To replace the front you need to remove the lower sound insulator.
The dealer diaged it as the mode door actuator anyone have info on how to get to it in the center console and replace it.
It is a pain in the to get to but not impossible.
If you remove the gas pedal unbolt the wiring harness and use a long 1 4 drive extension with a 6mm swivel socket it works out pretty good.
Mode door actuator thanks jay4speed you were spot on the location.
2008 trailblazer how to replace mode door actuators with automatic climate control answered by a verified chevy mechanic we use cookies to give you the best possible experience on our website.
Equip cars trucks suvs with 2008 chevrolet trailblazer a c heater blend door actuator from autozone.
It seems the mode actuator is trying to divert the air to the floor.
A forum for all things trailblazer ss including mileage horsepower transmissions interior.
This is connected to a shaft that actually moves the mode door.
It is a common problem for th.
If you have cold and hot air blowing and you can t get the hot air to stop one of your actua.