Having just finished installing new door glass on my '52 Carryall, I know a thing or two about this procedure. First, I am assuming you are referring to the driver/passenger door.
If so, here goes:
To remove the door latch, there are several steps:
1. You have to remove the weatherstrip that runs up around the back edge of the window, as well as up at the top of the window opening. The weatherstrip may be glued in or screwed in depending on hour installation. The window track on the back edge of the window attaches to the door with a small screw at the top, two screws that are visible on the trailing edge of the door. There is also a small clip on the window track that secures the bottom of the weatherstrip.
2. At this point, you should be able to remove the door latch with the 3 clutch head screws on the outside of the door.
I have actually removed the door latch but have lots of recent *yesterday* experience installing and removing the weatherstrip.
my 2 cents
