Impala V6-3.9L (2007)
8. Clean the gasket surfaces.
Installation Procedure
1. Install a NEW thermostat.
2. Position a NEW gasket and the thermostat housing to the engine block.
Notice: Refer to Fastener Notice.
3. Install the thermostat housing bolt/stud.
Tighten the bolt/stud to 25 N.m (18 lb ft).
4. Install the radiator outlet hose to the thermostat housing (3.5L shown, 3.9L similar).
5. Position the radiator outlet hose clamp at the thermostat housing.
6. Install the air cleaner outlet duct.
7. Fill the cooling system. Refer to Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716
