Section 03 ENGINE
Sub-Section 08 (LIQUID COOLING SYSTEM)
03-08-4
OPEN THERMOSTAT, WARM ENGINE
1. To radiators
2. From cylinders
These 2 functions have the advantage of prevent-
ing a massive entry of cold water into the engine.
2, Overflow Coolant Tank
Skandic WT LC Only
The coolant expands as the temperature (up to 90
– 100°C (195 – 212°F)) and pressure rise in the
system. When the limiting system working pres-
sure (cap) is reached (90 kPa (13 PSI)), the pres-
sure 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.
When the system temperature drops, the coolant
contracts in volume and the pressure in the sys-
tem is reduced. The coolant in the overflow cool-
ant tank will then flow back into the filling neck
no. 8
through the vacuum relief valve in the pres-
sure cap.
COOLING SYSTEM REFILLING
PROCEDURE
Recommended Coolant
Use a blend of 60% antifreeze with 40% water.
Do not reinstall pressure cap.
System Capacity
Refer to TECHNICAL DATA 09-03.
Refilling Procedure
S-Series
With vehicle on a flat surface, engine cold, refill
coolant tank up to cold level mark. Wait a few min-
utes then refill to mark. Install pressure cap. Run
engine until thermostat opens then stop engine.
Refill up to mark.
To make sure coolant flows through radiators,
touch them by hand. They must feel warm.
Reinstall pressure cap.
When engine has completely cooled down, re-
check coolant level in coolant tank and top up if
necessary.
Check coolant concentration (freezing point) with
proper tester.
Skandic WT LC
Open cap and fill filler neck
no. 8
completely.
Tilt seat and unscrew bleeding screw on top of
connecting hose. Coolant must flow. Refill
through filler neck
no. 8
as necessary.
Reinstall bleeding screw.
Proceed the same for bleeding screw on thermo-
stat housing.
Start engine and let it warm until thermostat
opens.
To make sure coolant flows through radiators,
touch them by hand. They must feel warm.
A16C03A
2
1
-
CAUTION
To prevent rust formation or freezing condi-
tion, always replenish the system with 60%
antifreeze and 40% water. Pure antifreeze
without water freezes. Always use ethyl-glycol
antifreeze containing corrosion inhibitors
specifically recommended for aluminum en-
gines.
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