Your 2009 chevy trailblazer has two mode door actuators one for the front and one for the rear.
Trailblazer mode door actuator replacement.
Disconnect the wiring harness from the mode door actuator the mode door actuator has a white gear extending from one side and is the lower of the two actuators.
Air door actuator replaces 89018365 604 106 52402588 compatible with chevrolet chevy gmc 1994 2012 silverado 1500 and 2500 tahoe sierra hvac blend control actuator heater blend door 4 6 out of 5 stars 1 267.
I could then pull the actuator out.
How to replace the mode actuator on trailblazer by robert moore.
And there was a special tool to make it easier to replace the part.
The average cost for a chevrolet trailblazer hvac blend door actuator replacement is between 627 and 762.
I also disconnected the harness from the actuator.
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 blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
Notice the gear in the picture.
Labor costs are estimated between 519 and 655 while parts are priced at 107.
I thought that there was a service bullitin covering this.
An actuator can go bad in of two ways.
Ok so i have a failing mode door acuator for the 2002 trailblazer ltz.
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.
By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.
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.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
Passenger side actuator replacement a tip to fixing it for free.