Buick Regal Blend Door Actuator Not Working

I Just Recently Replaced My Broken Blend Door Actuator. One Of The Disks Inside Was Cracked. Installed The New One And It Still Doesn't...

On My Passenger Side The Air Blows Cold And On The Driver Side The Air Blows Hot. I Know I Have To Replace Place The Blend Door Actuator. I...

Trying To Show My 16 Year Old How To Work In His Car. Its A 91 Buick Regal Gs. The Ac/heat Barely Blows Out Of The Vents, But Is Coming Out...