70 f100 vent window

[Wild Turkey]

I need to replace the rubber around the vent window.
Can someone give me tips on removing the vent window to better install rubber. I see 3 screws in the side of door. Rivets removed from post and old rubber removed already

 

[DNFXDLI]

http://www.fordtruckfanatics.com/forum/showthread.php?t=30008