Originally Posted by GAStreamin
I am not going to remove the ones that don't open.
Disconnect the lift arms.
Then raise the bottom of the sash and glass, so that the bottom is on the top, almost vertical.
The glass and sash will then drop out of the hinge connection.
Reinstalling is the reverse.
Use caution when reinstalling the front and rear window, making sure that the hinges are properly engaged. If not, you will snap off some of the rivets as well as damage the hinge when you lower it.