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6.0L W12 Engine in the Audi A8L SELF STUDY PROGRAM COURSE NUMBER921403 Audi of America, Inc. Service Training Printed in U.S.A. Printed 11/2004 Course Number 921403 2004 Audi of America, Inc. . All information contained in this manual is based on the latest information available at the time of printing and is subject to the 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 refer to existing electronic service 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 Introduction 2 Technical Data, Cross Section, Longitudinal Section, W Design Cylinder Block .. 7 Cylinder Block and Crankcase . 9 Crankshaft .13 Pistons/Connecting Rods 16 Engine Mounting 17 Engine Lubrication ..18 Cooling System ..22 Electronically Controlled Cooling System, Map Controlled Engine Cooling Thermostat F265 Control Loop Cylinder Head 31 Camshaft Drive 32 Sealing of Timing Mechanism, Valve Timing/Camshaft Timing Control, Internal EGR, Valve Tim ing/Adjustment Range, Control and Monitoring of Camshaft Position, Camshaft Adjusters, Function of Camshaft Adjusters, Electro Hydraulic Control, Adjustment in Retard Direction,