Cooling system
OPM 200 en-GB 76
© Scania CV AB 2020, Sweden
Filling coolant
These procedures apply when the cooling system
has been drained and needs to be filled with a
large amount of coolant.
Use protective gloves as coolant can cause irrita-
tion if it comes in contact with the skin. Hot cool-
ant can also cause scalding.
Mix the coolant as specified in the section head-
ed Coolant
.
It is not permissible to top up large amounts of
coolant via the expansion tank. Filling via the ex-
pansion tank leads to air pockets in the cooling
system which can lead to e.g. damage to the cool-
ant pump shaft seal. If a large amount of coolant
needs to be added, follow the instructions in the
section Filling coolant
.
Never fill a hot engine with a large amount of
cold coolant. There is a high risk of cracks form-
ing in the cylinder block and cylinder heads
Do not start the engine until the correct coolant
level has been obtained. If the engine is started
with an insufficient coolant level, it can damage
the coolant pump shaft seal, which leads to cool-
ant leakage.
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