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Volkswagen Marine TDI 150-5D User Manual

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Design and function
Self-study programme M001
Boat engines from
Volkswagen Marine
TDI 100-5
TDI 120-5
TDI 150-5
TDI 150-5D
SDI 55-5
SDI 75-5

Table of Contents

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Volkswagen Marine TDI 150-5D Specifications

General IconGeneral
Power Output150 hp
Number of Cylinders5
Fuel SystemDirect injection
Max RPM4000 RPM
Engine TypeDiesel
Cooling SystemWater-cooled
Displacement2.5 liters

Summary

Fundamentals

The SDI engine

Details on naturally aspirated SDI engines for displacement boats, highlighting their quiet operation and efficiency.

The TDI engine

Information on turbocharged TDI engines designed for speed and performance in hydroglider and fast boats.

Engine mechanical systems

Dual-mass flywheel

Details on the dual-mass flywheel's function in reducing torsional vibrations and noise transmission.

Hydraulic bucket tappet

Description of hydraulic bucket tappets, their role in noise reduction, and simplified servicing.

Combustion system

The combustion system

Overview of direct fuel injection into the combustion chamber and its advantages like efficiency and low emissions.

Two-spring nozzle holder

Explanation of the two-spring nozzle holder enabling two-stage fuel injection for smooth combustion.

Engine electronic systems

Glow plug system

Details on the integrated glow plug control system and its functions: preheating, post-heating, and standby heating.

Metering adjuster

Description of the electromagnetic actuator controlling injection volume by adjusting the control slide valve.

Start of injection control

Details on controlling start of injection based on various influencing variables for optimal engine performance.

Internal functions in the engine control unit

Overview of internal functions like idle speed control and smooth running control for optimal engine operation.

Exhaust turbocharging

Turbocharger with variable turbine geometry

Details on turbochargers with variable guide vanes for optimizing boost pressure across engine speed ranges.

Cooling system

Self-diagnosis

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