2005 Trailblazer Floor To Dash Vent Mode Actuator

I have a 2005 chevy trailblazer.

2005 trailblazer floor to dash vent mode actuator.

Posted by ross schneider on mar 20 2012. It blows out the floor vent and the defroster vent. But which is it im comf. Changed my battery and some relays on my 2005 chevy trailblazer lt.

The airconditioner will only blow air through defrost and floor vents. I knew it had to do with the hvac so i tried changing settings on my digital hvac controls. I m attempting to repair the mode actuator itself. Nothing seemed to stop the popping but i did notice my air wasn t changing between modes defrost dash vents and floor vents it was stuck blowing air out the floor vents.

Recently my front vents stopped working on my 2004 chevy trailblazer. It s in floor mode. Remove the screws that secure the lower sound insulator to the driver side dash using a socket and ratchet. I am getting air out of the floor and defrost vents but when the mode is set for the answered by a verified chevy mechanic.

The air won t blow out the dash vents. A forum for all things trailblazer ss including mileage horsepower. Follow the floor duct to the heating ventilation and air conditioning case. We use cookies to give you the best possible experience on our website.

Blend actuator helps combined cool and warm air to produce the proper desired temperature. I have no air from the panel vents. But having had a look it doesn t seem to be. Heater control actuator regulates flow of hot air when heater is engaged.

The popping only lasted 30 40 seconds before stopping. And floor i was told it is a faulty blend door actuator or a mode door actuator. The air only blows out of defrost n floor vents. The air blows cold but it is only coming out at the feet side vents and defrost.

There is steady knocking in my dash actuator. I took the dash out and found the flap actuators. How to replace the mode actuator on trailblazer by robert moore. Mode actuator determines where the air will blow out of such as the floor vents the top vents or the defrosting vents that blow onto your windows and windshield.

I ve tried to recalibrate by taking out the fuse waiting a couple minutes putting the fuse back in turning the car to run letting it go through its motions but that didn t work. I have determined it is the mode door actuator. Might need to compare to another 05 with the automatic hvac. Chevy trailblazer ss forum.

I have the new part which includes a motor a bracket and cam type hub assembly that operates the levers for 3 different. 2005 obw dyi hvac vent mode actuator repair. 2006 chevy trailblazer front vents not blowing air out of the 4 dashboard vents when the control knob is turned to front vent setting. Jump to latest follow 1 8 of 8 posts.