BACK
NISSAN
RL4R01A
INDEX
CROSS SECTION.......................................................... ..................................................................................... 4
HYDRAULIC CIRCUIT...................................................................................................................................... 5
POWER FLOW....................................................................... ............................................................................ 6
TESTING & DIAGNOSIS................................................................................................................................... 7
PRESSURE TESTING......................................................................................................................................... 16
ELECTRICAL............................................................. ....................................................................................... 18
OVERHAUL............................................................... ........................................................................................ 22
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OIL PASSAGES................................................................ .................................................................................. 24
TEARDOWN............................................................... ....................................................................................... 26
PUMP....................................................................... ........................................................................................... 38
VALVE BODY....................................................................... .............................................................................. 42
CHECKBALL LOCATION................................................................................................................................. 43
ASSEMBLY....................................................................... ................................................................................. 74
SPECIFICATIONS.................................................................. .......................................................................... 100
AUTOMATIC TRANSMISSION SERVICE GROUP
18639 SW 107TH AVENUE
MIAMI, FLORIDA 33157
(305) 670-4161 Copyright © ATSG 2005
Updated
April, 2004
INTRODUCTION
NISSAN RL4R01A
The RL4R01A transmission is a hydraulic controlled unit, that is similar to the RE4R01A electronic controlled
unit. Although there are similarities in the internal components, the valve bodies, cases and housings have
differences. This unit is found in trucks.
We wish to thank Nissan Corporation
for the information and illustrations
that have made this booklet possible.
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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 2004
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
ROLAND ALVAREZ JERRY GOTT
TECHNICAL CONSULTANT TECHNICAL CONSULTANT
GERALD CAMPBELL MIKE SOUZA
TECHNICAL CONSULTANT TECHNICAL CONSULTANT
AUTOMATIC TRANSMISSION SERVICE GROUP
18639 SW 107TH AVENUE
MIAMI, FLORIDA 33157
(305) 670-4161
-1-
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