Engine Diagrams C Series Page E-14 Section E - Engine and System Identification 1 Engine air inlet Front View - C8.3 - Automotive 2 Fan pulley 3 Fuel pump drive cover 4 Drive belt 5 Vibration damper 6 Water pump 7 Alternator 8 Belt tensioner 9 Coolant filter 10 Turbocharger air inlet 11 Turbocharger air outlet.