Malibu V6-3.9L (2007)
1. Position a NEW gasket and the thermostat housing to the engine block.
Notice: Refer to Fastener Notice.
2. Install the thermostat housing bolt/stud.
Tighten the bolt/stud to 25 N.m (18 lb ft).
3. Install the radiator outlet hose to the thermostat housing.
4. Position the radiator outlet hose clamp at the thermostat housing.
5. Install the air cleaner outlet duct.
6. Fill the cooling system. Refer to Draining and Filling Cooling System (LZ9).
7. Inspect the system for leaks.