Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Coolant Outlet: Service and Repair
Water Outlet Tube Replacement (6.6L (LLY) Engine)
Removal Procedure
1. Remove the intake manifold cover.
2. Drain the cooling system.
3. Remove the radiator inlet hose from the water outlet tube.
4. Open the clip and remove the wiring harness branch from the bracket.
5. Remove the bolt and wiring harness bracket at the thermostat housing.