Self Study Program 377 – Audi 4.2L V8 FSI engine

AUDI SSP

VAG SSP 377. The first member of the family was the 3.2-litre V6 FSI engine. The 4.2-litre V8 FSI engine is also a member of this family. It is available in two versions – a comfort-oriented basic version (used for the first time in the Audi Q7) and a sporty high-revving version for the new RS4. A V10 engine with 5.2 litres of displacement will also be available.

Special features of the current Audi engine family are the 90-degree included angle between the cylinder banks and the spacing of 90 mm between the cylinders.

Like the RS4 engine, the V8 in the Q7 has FSI direct injection, which – following five victories in the Audi R8 Le Mans racing car – is now being introduced in a production eight-cylinder model. The V8 was retuned for use in the Audi Q7. A fuller torque curve up to nominal speed and spontaneous response – these are the characteristics of this new engine. The engine excels not only with its dominant power output and high maximum torque. The resultant driving performance is excellent, even in the face of tough competition.

CONTENTS

Introduction
Specifications
Engine mechanicals
- Cranktrain
- Crankcase ventilation
- Chain drive
- Drive, ancillary units
- Cylinder head
Oil circulation system
- Design
- Oil pump and oil filter module
- Oil pan Audi RS4
- Oil circuit
Cooling system
- Cooling system in Audi Q7
- Cooling system in Audi RS4
Air circulation system
- Air intake
- Intake manifold flaps
- Vacuum hoses in the Audi RS4
- Vacuum hoses in the Audi Q7
Fuel system
- Fuel system in the Audi Q7/RS4
Exhaust system
- Exhaust system
- Exhaust flap control in the Audi RS4
- Secondary air system
Engine management
- System overview, Audi Q7 (Bosch MED 9.1.1)
- System overview, Audi RS4 (Bosch MED 9.1)
- Operating modes
- CAN data bus interfaces (powertrain CAN data bus) in the Audi Q7
- CAN data bus interfaces (powertrain CAN data bus) in the Audi RS4
- Start mode of the Audi RS4
- Sport mode of the Audi RS4

The self-study programme teaches the basics of the design and function of new models, new automotive components or new technologies.
The self-study programme is not a Repair Manual!
All values given are intended as a guideline only and refer to the software version valid at the time of publication of the SSP.
For maintenance and repair work, always refer to the current technical literature.

Language: English
Format: PDF
Pages: 48

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