Buick Park Avenue Vent No Air

All Fuses Good...compressor Running Cold Pipes ...i Drive Car And No Air Comes Out Vents I Hit Speed Hump ...fan Turns On And A/c Is Fine...

My Car Was Blowing Air Only From Defrost For A Couple Months,no Big Deal. Yesterday, It Started Blowing Only From The Vents No Matter What...

Air Conditioning Problem Six Cylinder Front Wheel Drive Automatic 113,000 Miles. My Air Conditioning Is Blowing Cold Air But It Directs...

This Car Has Auto Climate Control. When It Needs To, The Ac Will Engage...but The Car Will Not Switch To The Dash Vents....the Cold Air...