Self-Study Programme 921703 2.0L chain driven TFSI engine.pdf

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Service Training
Audi 2.0 Liter Chain-driven TFSI Engine
Self-Study Program 921703
Audi of America, Inc.
Service Training
Printed in U.S.A.
Printed 1/2008
Course Number 921703
©2008 Audi of America, Inc.
All rights reserved. All information contained in this manual is
based on the latest information available at the time of printing
and is subject to the copyright and other intellectual property
rights of Audi of America, Inc., its affiliated companies, and its
licensors. All rights are reserved to make changes at any time
without notice. No part of this document may be reproduced,
stored in a retrieval system, or transmitted in any form or by
any means, electronic, mechanical, photocopying, recording, or
otherwise, nor may these materials be modified or reposted to
other sites without the prior expressed written permission of the
publisher.
All requests for permission to copy and redistribute information
should be referred to Audi of America, Inc.
Always check Technical Bulletins and the latest electronic repair
literature for information that may supersede any information
included in this booklet.
Trademarks: All brand names and product names used in this
manual are trade names, service marks, trademarks, or registered
trademarks and are the property of their respective owners.
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Mechanicals . . . . . . . . . . . . . . . . . . . .
Oil System . . . . . . . . . . . . . . . . . . . . . . . . .
Crankcase Ventilation System. . . . . . . . . . . . . .
Cooling System . . . . . . . . . . . . . . . . . . . . . .
Air Intake System . . . . . . . . . . . . . . . . . . . . .
Fuel System . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust System. . . . . . . . . . . . . . . . . . . . . .
Engine Management System . . . . . . . . . . . . . .
Service. . . . . . . . . . . . . . . . . . . . . . . . . . .
Knowledge Assessment . . . . . . . . . . . . . . . . .
1
5
19
25
27
31
37
45
47
51
53
The Self-Study Program teaches the design and function of new vehicle models,
automotive components, and technologies.
The Self-Study Program is not a Repair Manual!
The values given are only intended as a guideline. 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.
Reference
Note
i
Introduction
1
Introduction
Technical Description
Four Cylinder, Four Valve, FSI Turbocharged
Gasoline Engine
Engine Block
– Cast Iron Crankcase
– Balancer Shafts in Crankcase
– Forged Steel Crankshaft
– Sump-Mounted Oil Pump — Chain-Driven by
Crankshaft
– Timing Gear Chain — Front End of Engine
– Balancer - Chain-Driven at Front End of Engine
Cylinder Head
– 4-Valve Cylinder Head
– 1 INA Intake Camshaft Adjuster
Intake Manifold
– Tumble Flap
Fuel Supply
– Demand Controlled on Low and High-pressure Ends
– Multi-Port High-pressure Injector
Engine Management
– MED 17 Engine Control Module
– Hot-Film Air Mass Flow with Integral Temperature
Sensor
– Throttle Valve with Contactless Sensor
– Map-Controlled Ignition with Cylinder-Selective,
Digital Knock Control
– Single-Spark Ignition Coils
Turbocharging
– Integral Exhaust Turbocharger
– Charge-Air Cooler
– Boost Pressure Control with Overpressure
– Electrical Wastegate Valve
Exhaust
– Single-Chamber Exhaust System with Close-Coupled
Pre-Catalyst
Combustion Process
– Fuel Straight Injection
384_003
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