remove the door trim (inside) several screws are hiiden by the armrest. you will then need to remove the plastic cover on the door to acess the window lift mechanism. two small bolts attach the window runner to the lift mech, then tilt the glass forward and down out of the channels that it slides in. once clear , lift it out past the OUTSIDE of the doorframe. it's the curvature of the door that allows you to do this. putting it back is a reversal of this, the glass is tougher than you think, but will shatter easily if you tap the edges so take care.
paul hale, February 2005