hello have a1995 s320 lwb, a/c blows cold but air comes out of left and right and defrost vents only oh yeah rear vents also.no air from center vents. does the same on auto or selecting which vents you want it to come from. otherwise system is ice cold ,fan speed slows down once car is cooled to set temp. aux. fan in front comes on high and stays on all the while the a/c is on,goes off as soon as you turn system off, hear a vacuum wheezing noise out of right side/glove box area also.did the flap test with climate control system would not work! does the same with heat or air!! anyone have any ideas where to start looking??? a/c controler or vacuum box in glove compartment ??? thanks!!!! Joe T