OPM 250 en-GB 60
© Scania CV AB 2022, Sweden
Cooling system
Filling coolant
This procedure applies when the cooling system
has been drained and needs to be filled with a
large amount of coolant.
Special tool
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.
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 engine coolant level low, it can damage the
coolant pump shaft seal, which leads to coolant
leakage.
Number, designation Illustration
2 443 679, coolant
pump
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