CHEVROLET TRAILBLAZER AIR CONDITIONER BLOWS HOT

My Ac Stopped Working But When I Put It On Hot Air Blows Hot Air. Does It Mean I Need Some Freon Or Do I Have To Fix My Ac?

On Trips Longer Than Thirty Minutes On The Expressway My Ac Goes From Cold To Hot And Will Not Go Back On. Sometimes (rarely) If I Stop And...

I Purchased A Used Trailblazer From A Guy Who Said The A/c Runs Fine, It Just Needed To Be Recharged. Well I Foolishly Purchased It With...

I Just Had The Engine Changed For My Trailblazer 2002, But Now Ac Is Blowing Hot Air Only. I Do Not What Happened To It. Do I Have To...

My Chevy Trailblazer Is A Lt Model With Climate Control Ac. Ac Will Go From Hot To Cold While Driveing. Exterior Temp Moves Up And Down Ac...