I'm thinking of replacing the whole door because it has some other "issues" like the ring that controls/limits the door swing is broken and the door will fly all the way open and bounce back. Time to start the junkyard search. Thanks.

I replaced the rollers (I used a large screw driver blade to spread the clip and get it started.), repaired the broken bracket for the guide for rear of the window, adjusted and tightened nut A, and the front of the window still drops when rolling up and I get a loud clunk when rolling the window ...

I replaced the rollers (I used a large screw driver blade to spread the clip and get it started.), repaired the broken bracket for the guide for rear of the window, adjusted and tightened nut A, and the front of the window still drops when rolling up and I get a loud clunk when rolling the window ...