Cobalt L4-2.4L VIN B (2006)
24. If equipped with a automatic transaxle, perform the following steps, connect the ECT sensor electrical connector (3).
25. Connect the HO2S electrical connector clip to the thermostat housing.
26. Important: The vehicle must be level when filling the cooling system.
Verify the drain valves at the radiator and water pump are closed.
27. Lower the vehicle.
28. Fill the cooling system.
29. Install the intake manifold cover.