HELP! My sliding door is off the track and now I can't move it.
 

Does anyone have a schematic of the sliding door hardware or have a way to remove it? I opened my door earlier and when I shut it, the door went completely
out of the lower track. The arm on the bottom, front edge of the door is out of
the track and is resting on the outside of the van body, holding the door away from
the van by 6". I cannot move the door either way.