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INDEX
ISUZU 3080-LE
CAUTION: ATSG service manuals are intended for use by professional,qualified technicians. Attempting repairs or service without the propertraining, tools and equipment could cause injury to you or others and damageto the vehicle that may cause it not to operate properly.
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TROUBLE SHOOTING..............................................................................................................................................
PRELIMINARY CHECK................................................................. ..........................................................................
TROUBLE CODES.......................................................... ..........................................................................................
TEARDOWN............................................................... ...............................................................................................
COMPONENT TEARDOWN..................................................... ...............................................................................
VALVE BODY....................................................................... .....................................................................................
TRANSFER CASE.......................................................... ...........................................................................................
TRANSFER CASE VALVE BODY.............................................................................................................................
THRUST BEARING LOCATION..............................................................................................................................
ASSEMBLY....................................................................... .........................................................................................
A340E, F, H AND 341E DIFFERENCES...................................................................................................................
AUTOMATIC TRANSMISSION SERVICE GROUP18639 S.W. 107 AVENUEMIAMI, FLORIDA 33157
(305) 670-4161
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( )
INTRODUCTIONISUZU AW30-80LE
AUTOMATIC TRANSMISSION SERVICE GROUP 18639 SW 107TH AVENUE
DALE ENGLANDFIELD SERVICE CONSULTANT
ED KRUSETECHNICAL CONSULTANT
WAYNE COLONNATECHNICAL SUPERVISOR
PETER LUBANTECHNICAL CONSULTANT
JIM DIALTECHNICAL CONSULTANT
GREGORY LIPNICK TECHNICAL CONSULTANT
JERRY GOTT
TECHNICAL CONSULTANT
JON GLATSTEINTECHNICAL CONSULTANT
DAVID CHALKER TECHNICAL CONSULTANT
ROLAND ALVAREZ
TECHNICAL CONSULTANT
GERALD CAMPBELLTECHNICAL CONSULTANT
No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise,without written permission of Automatic Transmission Service Group. This includes all text illustrations,tables and charts.
The in formation and part numbers contained in thi s booklet have
been careful ly compiled from industry sources known for their rel iabil i ty, but ATSG does not guarantee its accuracy.
Copyright © ATSG 1993
Updated July, 2003
The AW30-80LE is a rear wheel drive, four speed, electronically controlled, fully automatic transmission.Internal components consist of a lock-up torque converter, oil pump, 5 multi-disc clutch packs, 1 brake band andthree planetary gear sets. The valve body includes electronic solenoids for shift control that are controlled by aTransmission Control Unit (TCU). Shift control is determined by vehicle speed and throttle position sensor
signals, that are constantly monitored by the TCU. Throttle cable is used for line pressure control.
We thank ISUZU for the information andillustrations that have made this booklet possible.
MIKE SOUZATECHNICAL CONSULTANT
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