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N74 Engine - Overview
N74 Engine - Overview
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Introduction
N74 Engine
History
N74 Engine Features
Technical Data
Notes
Horse Power and Torque Diagram
Engine Components/Systems Overview
Engine Identification
Engine designation
Engine identification and number
Engine Components
Engine Block
Cylinder Head
Notes
Cylinder Head Cover
Oil Sump
Crankcase Ventilation
Notes
Register Ventilation
Oil Separation
Crankshaft
Notes
Crankshaft Bearings
Connecting Rods
Pistons
Camshaft
Chain Tensioner
Valve Train
Notes
VANOS
Camshafts
Roller Cam Followers
Valves
Belt Drive
Oil Supply
Oil Circuit
Oil Pump
Pressure Limiting Valve
Oil Filter
Oil Cooling
Oil Spray Nozzles
Notes
Oil spray nozzles for piston crown cooling
Oil spray nozzles for timing chain lubrication
Oil Level Measurement
Engine Cooling
Notes
Coolant Pumps
Main coolant pump
Auxiliary water pump for exhaust turbochargers
Expansion Tank
Charge Air Cooling
Notes
Auxiliary Coolant Pump for Charge Air Cooling
Charge-air Cooler
Engine Control Unit
Intake Air Duct
Turbocharging
Exhaust Turbocharger
Charging Pressure Control
Notes
Blow-off control
Charge Air Cooling
Intake Manifold
Exhaust System
Notes
Exhaust Manifold
Exhaust Emissions
Secondary Air System
Notes
Secondary air pump
Secondary air valve
On-board diagnosis of secondary air system
Vacuum System
Fuel Injection
Notes
High Pressure Pump
Hydraulic Circuit Diagram
Injectors
Notes
Outward-opening Piezo Injector
Control Unit