AX4N

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Updated March, 2003

INTRODUCTION FORD AX4N The Ford Motor Co. AX4N automatic transaxle is a four speed unit with total electronic controls and is designed for operation in a transverse powertrain for front wheel drive vehicles. Currently found in Taurus, Sable and Windstar vehicles. The electronic system controls the transaxle shift speeds and torque converter clutch apply and release with solenoid actuated valves. These shift solenoids, when energized, coupled with the hydraulic systems valve body, actuate various multi-plate clutch packs and bands to control the various gear ratios through the planetary gear train. Line pressure is also electronic controlled with a solenoid and controlled by the Powertrain Control Module. The PCM moniters numerous input sensors and sends the proper signals for the gear ratio desired to produce optimum driveability.

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 information and part numbers contained in this booklet have been carefully compiled from industry sources known for their reliability, but ATSG does not guarantee its accuracy. Copyright © ATSG 1995 DALE ENGLAND

JIM DIAL

FIELD SERVICE CONSULTANT

TECHNICAL CONSULTANT

WAYNE COLONNA

ED KRUSE

TECHNICAL SUPERVISOR

TECHNICAL CONSULTANT

PETER LUBAN

GREGORY LIPNICK

TECHNICAL CONSULTANT

TECHNICAL CONSULTANT

JON GLATSTEIN

DAVID CHALKER

TECHNICAL CONSULTANT

TECHNICAL CONSULTANT

JERRY GOTT

STANTON ANDERSON

TECHNICAL CONSULTANT

TECHNICAL CONSULTANT

GERALD CAMPBELL

ROLAND ALVAREZ

TECHNICAL CONSULTANT

TECHNICAL CONSULTANT

AUTOMATIC TRANSMISSION SERVICE GROUP 9200 S. DADELAND BLVD. SUITE 720 MIAMI, FLORIDA 33156 (305) 670-4161 1

Service Information

AX4N

DIAGNOSIS AND TESTING

MAIN LINE PRESSURE TAP EPC PRESSURE TAP

EPC PRESSURE TAP

MAIN LINE PRESSURE TAP

"NO" PRESSURE TAP ON SIDE OF TRANSAXLE COOLER LINE FITTING

4

Service Information

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AX4N