Not that I need it right now, but I noticed that the two passenger side vents and the window vent anre not blowing air, even at full blast. I also noticed that the main vents don't blow a/c as well on that side of the truck either. Air still blows through them, but not as forcefully as they used to. Any ideas what it might be? I wouldn't mind rolling the dash to get to something, but I only want to do it once. My truck caught that "Dashboard Bug" that has been going around making cracks in it.

 

Does anybody have any ideas?