Engine Description 2.2 Engine Illustrations 1 Filler neck with cap 2 Expansion tank 3 Vent line from cylinder head to expansion tank 4 Expansion line from expansion tank to coolant pump 5 Coolant line from crankcase to engine fluid radiator 6 Charge-air line from charge-air cooler to engine 7 Charge-air line from exhaust turbocharger to charge-air cooler 8 Coolant line from engine fluid radiator to engine thermostat 30 087 0 4 5 6 7 2.2.11 Starter Side Unit Engine BF6M 1013 EC 1 3 2 8 2