I have tried searching and have found some answers that don't fully answer my question so I figured I'd start a new thread. I am having an issue that seems to be somewhat popular. When it gets warmer and I turn on my AC I get mildly cool air on the passenger side, and warm outside air on the driver side. By adjusting the heat I can get hotter air so it is changing, just not all the way to AC. Last summer I had the compressor replaced and recharged. It hasn't worked at all but I figured I'd try and fix it now since I should have the money and time before summer hits. The front defroster works fine and the compressor doesn't sound like it's going to explode like it did last summer so that seems to be fixed. From research I've done it seems it may be the Blend Doors or Actuator. However I don't know where these parts are located to check them and I'm not sure what other things could be causing the problem. Any suggestions??

It is a 2003 Grand Prix GT. It has the separate driver and passenger side controls, not sure if that makes a difference. (Yes I realized I miss typed the title. Not blowing cold air through driver side. Sorry I'm exhausted from work.)