Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Installation Procedure
1. Lubricate the water pump O-ring with engine oil.
2. Install the engine coolant pipe gasket and water pump O-ring.
3. Install the water pump.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the water pump bolts. Ensure the correct length bolt is used in the proper location.
Tighten the bolts to 21 Nm (15 ft. lbs.).
5. Install the engine wiring harness retainer on the water pump outlet pipe inner stud.
6. Install the water pump to engine coolant pipe nuts.
Tighten the nuts to 21 Nm (15 ft. lbs.).
7. Install the thermostat housing crossover.
