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Trailblazer ss mode door actuator.
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Notice the gear in the picture.
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.
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.
It seems the mode actuator is trying to divert the air to the floor.
This is connected to a shaft that actually moves the mode door.
If you have cold and hot air blowing and you can t get the hot air to stop one of your actua.
I just had dealer fix my door actuator for free and part i see on my paperwork is.
Passenger side actuator replacement a tip to fixing it for free.
It is a pain in the to get to but not impossible.
No clicking sounds or anything g.
To replace the rear you need to remove the center console.
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.
Mode door actuator thanks jay4speed you were spot on the location.
2004 chevy trailblazer with broken front vent actuator.
Press the mode button to get air to blow on the face with hot or cold i cannot.
A forum for all things trailblazer ss including mileage horsepower transmissions interior.
It is a common problem for th.
I also disconnected the harness from the actuator.
Any need for a tech ii to do any.
I could then pull the actuator out.
For some time my trailblazer would not blow air out of the front vents.
Equip cars trucks suvs with 2008 chevrolet trailblazer a c heater blend door actuator from autozone.
Your 2009 chevy trailblazer has two mode door actuators one for the front and one for the rear.