Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
7. With the aid of an assistant, remove the window from the opening.
Installation Procedure
1. Install a stationary window into the opening.
2. Install the window lower garnish molding.
3. Install both rear seat headrests (extended cab).
4. Raise the rear seat back.
5. Remove the double layer of masking tape around the perimeter of the painted surfaces and interior trim.