3. Cooling system
3-4
Radiator Installation
For installation, reverse the removal procedure.
Pay attention to the following detail.
Fill
up
the
radiator.
Refer
to
COOLANT
REPLACEMENT
, in this section.
Check for any coolant leakage from radiator and hoses.
COOLANT TANK
The coolant expands as the temperature (up to
100-11
0
℃
)
and pressure rise in the system. If the
limiting system working pressure cap is reached
110kPa, the pressure relief valve in the pressure cap is
lifted from its seat and allows coolant to flow through
the overflow hose into the overflow coolant tank.
Tank Removal
Remove:
◼
The upper cover of engine hood.
◼
Coolant tank support bolt and.
◼
Overflow hose and clamp.
.
Tank Installation
The installation is the reverse of the removal
procedure.
RADIATOR FAN
Radiator Fan Removal
Remove radiator shroud.
Remove bolts
.
Remove the radiator fan.
Radiator Fan Test
NOTE:
The ECM controls the radiator fan via the input of the coolant temperature sensor (CTS). The
radiator fan should turn on when coolant temperature reaches 9
8
℃
and should turn off when the coolant
cools down at 9
5
℃
.(203
°
F)
.
Connect the vehicle to B.U.D.S. Refer to ENGINE MANAGEMNT for procedure and connector location.
In ACTIVATION folder, press COOLANT FAN button.
If fan turns, check CTS, wiring harness and connectors. If all parts are good, replace the ECM.
If fan does not turn when COOLANT FAN button is pressed, use the following troubleshooting chart to
resolve the problem.
