Sierra 3500 Denali 4WD V8-6.0L (2011)
Rotate the cap clockwise until locked in the proper position.
4. Install a NEW rocker cover gasket (1) into the valve rocker arm cover lip.
5. Install the valve rocker arm cover.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
6. Tighten the rocker arm cover bolts.
Tighten the bolts to 12 Nm (106 lb in).
