Sierra Classic 3500 2WD V8-6.6L DSL Turbo (2007)
7. Install the flywheel housing bolts, denoted by the black circles.
Tighten the bolts to 90 Nm (67 ft. lbs.).
8. Install the oil filter.
9. Install the upper oil pan. Refer to Upper Oil Pan Replacement.
10. Install a NEW gasket to the turbocharger oil return pipe.
11. Install the turbocharger oil return pipe to flywheel housing nuts.
Tighten the nuts to 21 Nm (15 ft. lbs.).
12. Install the crankshaft rear oil seal.
13. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
