Nubira SX Hatchback L4-2.0L DOHC D-TEC MFI (1999)
1. Install the thermostat into the thermostat housing by pressing the thermostat mounting flange downward and then rotating the flange
counterclockwise. Rotate the thermostat mounting flange until it is seated in the thermostat housing recesses.
2. Coat the sealing surface of a new O-ring seal with Lubriplate.
3. Install a new O-ring seal into the recess in the thermostat housing.
4. Install the thermostat housing to the cylinder head.
5. Secure the thermostat housing to the cylinder head with the mounting bolts.
Tighten the thermostat housing mounting bolts (2.OL DOHC) to 15 Nm (11 ft. lbs.).
6. Connect the upper radiator hose to the thermostat housing.
7. Secure the upper radiator hose to the thermostat housing with a hose clamp.
8. Refill the engine cooling system. Refer to Coolant; Service and Repair.
