Cooling System: Description and Operation

GENERAL DESCRIPTION
The cooling system consists of the radiator cap, radiator, coolant reservoir, hoses, water pump, cooling fan, and thermostat. The radiator is of tube-and-fin type.

COOLING SYSTEM CIRCULATION





1. While the engine is warmed up (thermostat closed), coolant circulates as shown in figure.

G16 Engine:

J20 And H25 Engines:

2. When coolant is warmed up to normal temperature and the thermostat opens, coolant passes through the radiator core to be cooled as well as the above flow circuit.