thank you all for the advice..I had to take the glove box out and had to tie down the vaccum unit so no air went to the vents near the windshield and kind of opened up the center vents..now I am getting some air from the center vent..but it is just a quick (temp) fix..do I need to replace all the parts controlling the vents..for it work..or could it be some thing else or if some one can suggest what I should do and parts should I order..thanks guys