Cooling system
OPM 200 en-GB 77
© Scania CV AB 2020, Sweden
Filling coolant with coolant pump
Special tool
1. Open the expansion tank cap.
2. Connect the coolant pump to the filler nipple
in the cylinder block. See illustration.
3. Connect the pump's 2 cable terminals to the
battery's negative and positive terminal.
Make sure that the filling starts. If the filling
does not start: Change the position of the ca-
ble terminals.
4. Start the engine and run it at idling for
15 minutes.
It is very important that the engine is idling. En-
gine overspeed could damage the coolant pump
shaft seal, which leads to coolant leakage.
5. Switch off the engine and fill with coolant to
the maximum level through the expansion
tank.
Air pockets may still be left in the cooling sys-
tem. These will disappear after the engine has
been operated for a period of time. Therefore, the
coolant may need topping up at a later stage.
Number, designation Illustration
2 443 679, coolant
pump
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