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eSelf Study Program 920253 The Audi 1.4l TFSI Engine i Audi of America, LLC Service Training Created in the U.S.A. Created 8/2015 Course Number 920253 2015 Audi of America, LLC . 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, LLC., its aiffliated 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 modiifed 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, LLC. Always check Technical Bulletins and the latest electronic service repair literature for information that may supersede any information included in this booklet. This eSSP contains video links which you can use to access interactive media. Revision 1 8/2015 ii Introduction . 1 Brief technical description 2 Power and torque speciifcations ..4 Engine mechanicals 6 Cylinder block 6 Crankshaft drive system and valve gear ..7 Camshaft drive .8 Crankcase ventilation .. 10 Evaporative emission system . 13 Cylinder head 14 Oil supply .. 16 Oil circulation system .. 16 Regulated oil pump .. 17 Sump .. 19 Oil cooling 20 Cooling system .. 21 Introduction .. 21 System overview 22 Thermostat 23 Coolant pump .. 23 Cylinder head cooling . 24 Intercooler . 25 Air intake and turbocharger systems .. 27 Overview .. 27 Turbocharger . 28 Fuel system . 31 Overview .. 31 Exhaust system . 32 Overview .. 32 Catalytic converter . 33 Engine management system .. 34 Sensors and