Reno L4-2.0L (2006)
Thermostat: Service and Repair
Thermostat Removal and Installation
Removal
WARNING: To prevent personal injury, do not remove the surge tank cap while the engine and the radiator are hot because the heat causes
the system to remain under pressure. Scalding fluid and steam may be blown out under pressure.
1. Drain the coolant.
2. Loosen the hose clamp on the upper radiator hose at the thermostat housing.
3. Disconnect the upper radiator hose from the thermostat housing.
4. Remove the mounting bolts that hold the thermostat housing to the cylinder head.
5. Remove the thermostat housing from the cylinder head.
6. Remove the seal ring from the thermostat housing.
7. Remove the thermostat from the thermostat housing by pressing the thermostat mounting flange downward and then rotating the flange clockwise.
8. Inspect the valve seat for foreign matter that could prevent the valve from sealing properly.
9. Inspect the thermostat for proper operation.
10. Clean the thermostat housing and the cylinder head mating surfaces.
Installation
1. Install the thermostat into the thermostat housing by pressing the thermostat mounting flange downward and then rotating the flange
