SSP 951703 audi_09d_transmission_eng.pdf

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Service Training
The Audi 09D Automatic Transmission
Self-Study Program 951703
Audi of America, Inc.
Service Training
Printed in U.S.A.
Printed 1/2008
Course Number 951703
©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 . . . . . . . . . . . . . . . . . . . . . . . . .
1
Transmission Subassemblies . . . . . . . . . . . . . . .
9
Transmission Control . . . . . . . . . . . . . . . . . . . . 37
Transmission Periphery . . . . . . . . . . . . . . . . . . 59
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Knowledge Assessment . . . . . . . . . . . . . . . . . . 73
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
The 09D Six-Speed Automatic Transmission in the Audi Q7
Unlike the Audi longitudinal AWD configurations
where the front axle differential and transfer case are
integrated with the transmission, the 09D six-speed
automatic transmission in the Audi Q7 is designed as an
independent component.
The powertrain of the Audi Q7 has a modular
configuration. This means that the various
subassemblies – the transmission, the front axle
differential, and the transfer case – are separate units.
Rear Axle
Differential 0AB
Note
In addition to the general descriptions
of the 09D transmission, this Self-
Study Program covers special features
in the context of the Audi Q7.
For information about the power
transmission in the Audi Q7 and
transfer case 0AQ, refer to Self-Study
Program 993603, The Audi Q7 Power
Transmission.
1
Introduction
Special Features Designed for Off-Road Use
The 09D transmission can transmit up to 553.1 lb ft
(750 Nm) of engine torque and is currently used in
combination with the most powerful engines in the
Audi Q7.
– A special low ATF pick-up point and a high ATF
capacity ensure reliable oil intake in rough terrain.
– A large ATF cooler maintains the ATF temperature at a
safe level.
– The elevated transmission breather hose prevents
ingress of water into the transmission, even under
adverse conditions.
– A large torque converter with lockup clutch reduces
heat build-up in the ATF and allows power to be
transmitted directly.
Transfer Case 0AQ
Six-Speed Automatic
Transmission 09D
367_093
Front Axle Differential 0AA
2

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