Colorado 2WD V8-5.3L (2009)
10. Remove the window from the door by sliding the window out between the inner panel (1) and the upper window channel (2).
Installation Procedure
1. Install the rear door window to the rear door by inserting the front edge of the window into the window channel (3), and sliding the rear of the
window down between the upper window channel (2) and the inner panel (1).