Sierra 3500 Denali 4WD V8-6.0L (2011)
11. Remove the 4 power brake booster nuts (1).
12. Remove the power brake booster.
Installation Procedure
1. Install the power brake booster.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: Tighten the upper right hand nut first.
2. Install the 4 power brake booster nuts (1) and tighten to 33 Nm (24 lb ft).