Your 2009 chevy trailblazer has two mode door actuators one for the front and one for the rear.
03 trailblazer mode door actuator replacement.
The mode door actuator answered by a verified chevy mechanic.
Is there a simple method in replacing the mode door actuator in a 2003 chevrolet trailblazer.
Also you need to check and make sure the replacement actuator is aligned as shown in the repair article.
Notice the gear in the picture.
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.
A premium hvac heater blend door actuator replacement for buick rainier 2004 2007 chevrolet trailblazer gmc envoy 2003 2009 isuzu ascender saab oldsmobile 3 7 out of 5 stars 20 19 99.
I could then pull the actuator out.
Four seasons a c heater blend door actuator 73004.
2003 gmc envoy no a c vent control b0263.
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If you have cold and hot air blowing and you can t get the hot air to stop one of your actua.
Free in store or curbside pick up.
How to replace the mode actuator on trailblazer by robert moore.
What seems to be the problem i drive a trail blazer 03.
The small black one to the left is for the defroster door.
This is connected to a shaft that actually moves the mode door.
Auxiliary hvac heater blend or mode door actuator.
I also disconnected the harness from the actuator.
Now that the actuator is out of the way you can see the two door levers.
The old actuator on the left and the new one on the right.
That aside while the actuator is being slid into the correct mounting position the black peg on the vehicle gear lever has to be aligned with the notch in the white gear on the actuator.
The larger white one with the gear teeth attached is for the vent floor door.
Limited lifetime warranty 115.