Dodge Ram Transfer Case Noise

While Driving Down The Road In 2 Wheel Drive Ther Is Agrinding Clunking Noise But When Up Put It In 4 Wheel Drive It Stop's.i Crawled...

4wheel Drive Does Not Go Into Gear,when In 2 Wheel Drive There Will Be A Harmonic Like Sound Going From Not So Loud To Louder Then Stopping...

A Friends Daughter Drove His 99 Dodge Ram Truck Into A Ditch During A Snowstorm And Now The 4 Wheel Drive Makes A Hell Of A Lot Of Noise....

When I Have It In 4 Wheel Drive It Makes A Noise When I Am Slowing Down. The Noise Comes From The Front Right Side. What Could It Be. Thanks...