Unlocking Airflow Balance A Comprehensive Guide to Blend Door Mechanics

The condition you are describing is most likely a broken blend door on the driver's side (the clicking sound that is now gone is the biggest clue). You can run a diagnostic self check that will move the blend door all the way open and closed. If it fails to go all the way in each direction, then a fault ... The blend doors fro the front or stuck in the cold position. The mode actuator works fine and switches the air output to where ever I direct it to. The blend door actuator(s) are typically located on the climate control case behind the dashboard. Consult a repair manual or repair database ... There are 3, 2 of them on the passenger side, and one on the drivers side. 2 of them, one on the drivers side and one on the passenger side, are behind the ... Also called HVAC actuators, these small electric motors control the flow and blend of hot and cold air to the passenger areas by opening ... The blend door actuator is low power stuff, like door lock actuators. It doesn't have a specific fuse. You can visually check if it works ... I tried recalibrating the system by pulling the 15amp fuse in the interior passenger fuse box, as described in the forum. It didn't work, no change. My experience with Blend Door USA, specifically Jim, was top notch. The doors I received are substantially better than what the truck came with. when you take out the bad actuator take it apart and you will see some little broken plastic gears. good luck and read over the posts.