vw_vr6_self_study.pdf

Service Training

Self Study Program 823603

VW 3.2 and 3.6 liter FSI Engine

Volkswagen of America, Inc.

Volkswagen Academy

Printed in U.S.A.

Printed 10/2006

Course Number 823603

based on the latest information available at the time of printing

and is subject to the copyright and other intellectual property

rights of Volkswagen of America, Inc., its afiliated 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 modiied

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 Volkswagen of America,

Inc.

Always check Technical Bulletins and the latest electronic

repair information 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.

Contents

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Engine Mechanics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Engine Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Operating Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Knowledge Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Note

Important!

This Self-Study Program provides information

regarding the design and function of new

models.

This Self-Study Program is not a Repair Manual.

This information will not be updated.

For maintenance and repair procedures,

always refer to the latest electronic

service information.

iii

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Overview

The 3.2L and the 3.6L V6 FSI engines belong to

the VR family of engines. Their reduced V-angle,

compared with a traditional V-engine, gives them an

extremely compact and space-saving design.

This self-study program is designed for use in the

Volkswagen Group, and therefore does not address

the application of the engine in a speciic vehicle.

The VR engines have a long history at Volkswagen.

The VR success began in 1992 with the start of

production of the 2.8L VR6 engine. In 2002, the

VR6 was converted to four-valve technology. In 2003

the capacity of the VR6 was increased to 3.2 liters,

resulting in a power increase of up to 250 hp. Then,

in 2006, the capacity was increased to 3.6 liters,

resulting in a power increase of up to 280 hp.

If reference is made to a particular vehicle, this is

intended only as an example, to describe design,

operation or to help better understand this manual.

The VR engines are highly suitable for a broad range

of applications due to their compact design.

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