Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
1. Install a NEW O-ring seal to the water outlet.
2. Lubricate the O-ring seal with clean engine coolant.
3. Install the water outlet.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
4. Install the water outlet bolts.
Tighten the bolts to 21 Nm (15 lb ft).
