Operation and maintenance manual

Engine Diagrams QSB4.5 and QSB6.7
Page E-14 Section E - Engine and System Identification
Engine Diagrams
Engine Views
QSB4.5 Engine - Top View
1 Turbocharger wastegate actuator
2 Crankcase breather
3 Air compressor coolant connection
4 Intake manifold pressure/temperature sensor
5 Air compressor
6 Fuel rail
7 High-pressure supply line (pump to rail)
8 Fuel rail pressure sensor
9 High-pressure fuel lines
10 Oil fill cap
11 Tone wheel
12 Coolant temperature sensor
13 Vibration damper (Optional)
14 Coolant outlet
15 Exhaust manifold.