FORD F-150 AIR CONDITIONER BLOWS HOT

Hi, My Daughter's 1999 4.6l F150 Stepside Has Started Blowing Hot Air When The Ac Is Turned On. The Compressor Seems To Cycle On And Off...

The Ac Seems To Be Working Fine For About 10 To 15 Minutes, Then It Sounds Like A Damper Or Somthing Flaps Then It Starts Blowing Hot Air...

My Air Works Until I Step On The Gas And I Hear The Blend Door Flop Then It Is Hot Air After That Until I Stop Again. What Could Be The The...

Trying To Bring My Truck Listed Above Super Cab Xlt 4x4 Back To Life. The A/c Blower Works And Seems To Cycle, But Only Blows Hot Air. It...