On my 2008 Avalanche, I am having a problem with air not flowing out any vents (hot or cold). I can adjust the fan and I can hear it blowing hard, but nothing comes out. It doesn't matter if I change it from vents, to feet, to defrost, etc.
NOTE: When I do change the location (for instance, from feet to defrost), I can hear it changing under the dash.
Now, for the fun part... Sometimes it works properly (maybe 10% of the time).
Can anyone tell me what the issue likely is? I am assuming I need to change an actuator, but I don't know which one to change for this particular issue (left, middle, or right)?
NOTE: When I do change the location (for instance, from feet to defrost), I can hear it changing under the dash.
Now, for the fun part... Sometimes it works properly (maybe 10% of the time).
Can anyone tell me what the issue likely is? I am assuming I need to change an actuator, but I don't know which one to change for this particular issue (left, middle, or right)?