CTS V8-5.7L VIN P (2004)
4. Install the thermostat housing bolts.
Tighten the thermostat housing bolts to 15 Nm (11 ft. lbs.).
5. Install the outlet hose to the thermostat housing.
6. Position the outlet hose clamp at the thermostat housing.
7. Install the cooling fan assembly.
8. Fill the cooling system.