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NC SW6 - Checking Coolant Level

NC SW6
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33
Maintenance
CHECKING COOLANT LEVEL
Always check the coolant level when engine is cold
This is a pressurised cooling system
To prevent scalding NEVER remove the filler cap when the coolant is hot
Hot coolant will burn you. Always check the engine is cool before checking
the coolant level or draining the system.
When the engine is cold if the coolant level is below the minimum level (C), remove the
filler cap (A) and add coolant until the coolant is just below the maximum level line (B)
Replace the expansion tank filler cap (A).
DRAINING THE COOLING SYSTEM
Ensure the engine is cold carefully undo the expansion
tank filler cap (A) to release any built up pressure
escape, Remove the cap when all the pressure is
released.
Undo the hose clip on the bottom radiator hose and
pull it off the radiator.
Allow the coolant to drain into a suitable container.
Flush the system by pouring clean water into the
expansion tank filler neck.
Refit the bottom hose and tighten the clip.
Dispose of used coolant in an environmentally safe way
REFILLING THE COOLING SYSTEM
Always ensure the coolant level is just below the maximum level line as this will give
the best cooling performance.
A
Ensure the engine is cold.
Remove the expansion tank cap and add coolant mix
to the maximum level mark (B) on the tank, allowing
time for the coolant to settle as necessary. Replace
the filler cap. (see Fluids & Lubricants section
regarding coolant mix).
Start the engine and allow it to run for approximately
2 minutes ensuring the coolant doesn't drop below
the minimum level (C) mark.
With the engine stopped and the cool, remove the
filler cap and top up as necessary to just below the
maximum level mark. Repeat the above process and
toping up again until the level remains steady. This
will ensure all the air has been expelled from the
system.
B
C

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