Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
9. Install a NEW coolant pipe O-ring.
10. Lubricate the O-ring with clean engine coolant. Do not use oil or grease.
11. Install the engine coolant pipe.
12. Install the engine wiring harness retainer to the inner stud.
13. Install the water pump outlet pipe nuts to the coolant pipe.
4Tighten the nuts to 25 Nm (18 ft. lbs.).
