Cooling system Designation Coolant trolley 333 980 1. Connect the hose from the coolant trolley to the engine drain valve, see illustration. 2. Ensure that the cooling system bleed pipes are not blocked or damaged. 3. Open the expansion tank cap. 4. Fill with coolant using coolant trolley to pump up to the maximum level of the expan- sion tank. 5. Disconnect coolant trolley. 352 794 00:23-02 en-GB 32 © Scania CV AB 2016, Sweden