Sierra 1500 4WD V8-4.8L (2007)
Tighten the bolts to 4 N.m (35 lb in).
5. Connect the electrical harness and the ground connections.
6. Install the HVAC module drain hose.
7. Install the instrument panel carrier.
8. Install the upper intake manifold sight shield.
9. Install the battery.
10. Install the accumulator.
11. Install the surge tank outlet hose to the heater core.
Firmly push the quick connect onto the heater core pipe until you hear an audible click.
12. Install the inlet heater hose to the heater core.
Firmly push the quick connect onto the heater core pipe until you hear an audible click.
13. Fill the engine coolant. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Vac-N-Fill).