Audi 3.0l V6 TDI Biturbo Engine – SSP 604



Audi 3.0l V6 TDI Biturbo Engine - Self Study Programme 604 PDF

3.0l V6 TDI biturbo engine

Following the launch of the 2nd Gen 3.0l V6 TDI engine, Audi now introduces a biturbo version based on the 2nd Gen 3.0l V6 TDI engine.

The core of the unit is the compact two-stage charging system installed in the inner V of the engine and over the gearbox bell housing.

The two in-line chargers are subdivided into a high pressure exhaust turbocharger and a low pressure exhaust turbocharger. The high pressure exhaust turbocharger has a Variable Turbine Geometry with an electrical positioner. The low pressure exhaust turbocharger is regulated by a wastegate valve and designed for high air fl ow rates, with the result that the engine delivers high torque at low rpm combined with performance potential right up to the top end of the rev band.

The development goal was to build an engine that sets new standards for sporty diesel engines by ts dynamic torque and revving ability. By adopting all effi ciency measures from the basic engine, e.g. thermal management system, friction-reducing enhancements, weight reduction and start-stop system, the 3.0l V6 TDI biturbo engine strikes a good balance between high performance and fuel effi ciency. Other premises for the development of the engine were that it was to be produced on the assembly line of the basic engine at the Györ engine plant, and that maximum use was to be made of common and synergetic parts shared with the 2nd Gen V6 TDI engine.

Learning objectives of this Self Study Programme:

This Self Study Programme describes the design and function of the 3.0l V6 TDI biturbo engine. After you have worked your way through this Self Study Programme, you will be able to answer the following questions:

  • Which aspects of the engine mechanicals have changed?
  • How is the cooling system confi gured in the cylinder head?
  • How is the biturbo system designed?
  • How are both turbochargers controlled?

It is not a Repair Manual! Figures are given for explanatory purposes only and refer to the data valid at the time of preparation of the SSP.
For further information about maintenance and repair work, always refer to the current technical literature.

CONTENTS

Introduction

  • Brief technical description
  • Specifications

Engine mechanicals

  • Cylinder block and crank drive
  • Oil vacuum pump and coolant pump
  • Cylinder head
  • Coolant flow
  • Cooling circuit

Charging

  • Biturbo charging
  • System design
  • Function in map

Fuel system

  • Common rail injection system

Engine management

  • System overview

Exhaust system

  • Overview
  • Sound actuator and active sound exhaust system

Language: English
Format: PDF
Pages: 24
Size: 3.05 Mb
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