Sierra Classic 1500 2WD V8-4.8L (2007)
Tighten the clamps to 4 Nm (35 inch lbs.).
18. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
and Filling Cooling System (Vac-N-Fill).