Sierra 3500 Denali 4WD V8-6.0L (2011)
3. Simultaneously install the stop lamp switch with the power brake booster pushrod to the brake pedal pin.
4. Install the brake booster pushrod retainer (1).
5. Install the brake booster pushrod retainer bolt (1) and tighten to 10 Nm (89 lb in).
6. Connect the stop lamp switch electrical connector.