FORD MOTOR CO.
5R55E
INDEX
GENERAL DESCRIPTION .............................................................................................. 3
EXPLODED TRANSMISSION VIEWS ............................................................................ 8
ELECTRONIC COMPONENTS ...................................................................................... 18
DIGITAL TRANSMISSION RANGE SENSOR VALUES ................................................ 23
TROUBLE CODE DESCRIPTION .................................................................................. 30
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TRANSMISSION DISASSEMBLY .................................................................................. 36
VALVE BODY .................................................................................................................. 52
CHECKBALL LOCATIONS ............................................................................................. 58
OIL PUMP ASSEMBLY .................................................................................................... 61
CLUTCH DRUMS ............................................................................................................ 63
OVERDRIVE PLANETARY ............................................................................................. 78
TORQUE CONVERTER ................................................................................................... 86
TRANSMISSION ASSEMBLY ......................................................................................... 90
TORQUE SPECIFICATIONS .......................................................................................... 118
AUTOMATIC TRANSMISSION SERVICE GROUP
18639 S.W. 107TH AVENUE
MIAMI, FLORIDA 33157
(305) 670-4161
Copyright © ATSG 1997
Updated
July, 2003
INTRODUCTION
FORD 5R55E
The 5R55E transmission produced by Ford Motor Company, was introduced in the 1997 model year, and is the
first 5 speed automatic found in domestic vehicles. It is currently found in the 1997 Aerostar Van, 1997-2001
Ranger Trucks, both 2WD and 4WD, and 1997-2001 Explorer vehicles, equipped with the 4.0L engine. This
unit is very similar to the 4R44E, but has different computer strategy that energizes the overdrive band in first
gear, to create the added gear ratio. Refer to the application chart found on Page 7 for the new computer
strategy. Many of the parts between the 4R44E and 5R55E units may look the same, but are not all
interchangeable. Be very careful when selecting replacement parts, if it becomes necessary.
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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 1997
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
MIKE SOUZA
GERALD CAMPBELL TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
AUTOMATIC TRANSMISSION SERVICE GROUP
18639 S.W. 107TH AVENUE
MIAMI, FLORIDA 33157
(305) 670-4161
1
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Service Information 5R55E
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7
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Service Information 5R55E
DIGITAL TRANSMISSION RANGE (DTR) SENSOR DIAGNOSIS
Snap-On Snap-On
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Scanner Data Scanner Data
PID:TR_D PID:TR_V
SELECTOR POSITION PID:TR
TR4 TR3A TR2 TR1 TR3A (175B pin 9 to sigrtn)
PARK P/N 0 0 0 0 0.0 Volts
REVERSE REV 1 1 0 0 1.3 to 1.8 Volts
NEUTRAL NTRL 0 1 1 0 1.3 to 1.8 Volts
OVERDRIVE OD* 1 1 1 1 1.3 to 1.8 Volts
MANUAL 2 MAN 2** 1 0 0 1 0.0 Volts
MANUAL 1 MAN 1 0 0 1 1 0.0 Volts
* Will read "Drive" if OD is canceled.
** MAN 2 = Drive for applications without OD cancel feature.
1. TR_V is the voltage at PCM connector 175B, pin 9 (TR3A Circuit) 4. Breakout Box readings are taken from PCM signal pins for TR1,
to Signal Return. TR2, TR3A, TR4 to Signal Return.
2. TR_D: 1 = Open DTR Switch Voltages for TR1, TR2, TR4: 0 = 0.0 Volts (Shorted to Ground)
0 = Closed DTR Switch 1 = 9.0 to 14.0 Volts (Open Circuit)
Voltages for TR3A: 0 = 0.0 Volts (Circuit Shorted to Ground)
1 = 1.3 to 5.0 Volts (Open Circuit)
1.8 to 5.0 Volts is an invalid reading and is usually an open in
wires or bad resistor in DTR sensor.
23
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