Cooling system Note: Idling speed must not exceed 600 rpm. Engine overspeed could damage the coolant pump shaft seal, which leads to coolant leakage. For certain applications for Scania Engines it is not possible to reduce the idling speed to 600 rpm with the Scania settings. In these cases the engine must be run at the idling speed specified by the factory settings. 6. Start the engine and run it at idling speed for 15 minutes. 7. Stop the engine and fill with coolant to the maximum level through the expansion tank. 8. It is possible that a small amount of air may be left as air pockets in the cooling system.
Therefore, always fill the expansion tank af- ter the engine has warmed up and the ther- mostat has opened. It is necessary to run the engine for some time before all air will have disappeared from the cooling system, which may involve topping up at a later stage. 00:23-02 en-GB 33 © Scania CV AB 2016, Sweden