CHEVROLET ASTRO IGNITION SWITCH NOT TURNING

If It Is The Ignition Switch, How Easy Is That To Replace By A Novice Level? I Do Oil Filters, Starters, Plugs Etc When I Can Get To...

My Van Would Not Turn Off I Got It Off And The Part Where The Key Goes In Popped Out Some Now I Can Not Get It To Turn Over I Was Told To...

Key Comes Out And Goes In But Does Not Turn The Cylinder, To Be Able To Unlock Cylinder. How Does One Get The Cylinder Out If Not Able To...