If your window motor is still making noise but nothing is happening your window regulator is broken. In this video, auto mechanic Mike Green will show you how to replace the window regulator on a GMC Sierra. This procedure is the same for 1999-2006 GMC Sierra and Chevy Siverado plus 2000-2006 Tahoe, Yukon, Yukon XL and Escalades.

Tools needed for replacing a window regulator:
Medium flat blade screwdriver.
Pair of needle nose pliers.
7mm socket and driver.
Torx driver small.
10mm socket and driver.