Engine Description 2 2.5 Cooling System 2.5.3 Cooling System Schematic 1013 1 2 3 4 5 6 7 8 9 26 338 1 Coolant filler Thermostat housing Coolant pump Lube oil cooler Cylinder cooling Cylinder head cooling Heat exchanger Expansion line coolant pump/expansion tank Ventilation line from cylinder head to heat exchanger (expansion tank)