ENGINE - 1.6L SOHC
DESCRIPTION
The cooling system consists of an engine cooling
module, thermostat, coolant, hoses, clamps, coolant
recovery container, and a water pump to circulate the
coolant. The engine cooling module may consist of a
radiator, electric fan, radiator pressure cap, transmis-
sion oil cooler and lines (auto transmission equipped
vehicles), and an air conditioning condenser (air con-
ditioning equipped vehicles).
OPERATION
The primary purpose of a cooling system is to
maintain engine temperature in a range that will
provide satisfactory engine performance and emission
levels under all expected driving conditions. It also
provides hot water (coolant) for heater performance
and cooling for automatic transmission oil. It does
this by transferring heat from engine metal to cool-
ant, moving this heated coolant to the radiator, and
then transferring this heat to the ambient air.
The coolant flow circuit is shown in (Fig. 1).
Fig. 1 Cooling System Operation
1 - HEATER CORE
2 - RADIATOR PRESSURE CAP
3 - COOL DOWN
4 - HEAT UP
5 - THERMOSTAT
6 - COOLANT RECOVERY CONTAINER
7 - RADIATOR
8 - WATER PUMP
9 - ENGINE
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ENGINE - 1.6L SOHC
PT