Document Text Contents
Page 1
INDEXINDEX
CopyriCopyright ght © © ATSG ATSG 20062006
FORDFORD
4R44E/4R55E4R44E/4R55E
GENERAL GENERAL DESCRIPTION..DESCRIPTION............................................................................................... ... ........................................................................................................................................................ ...... 33
VEHICLE VEHICLE APPLICATION.............APPLICATION............................................................................................................................................................................................................................................ ............. 66
BEARINGS, BEARINGS, BUSHINGS BUSHINGS AND AND THRUST THRUST WWASHERS ASHERS ..................................................................................................................................................................... ............... 77
ELECTRONICS ELECTRONICS AND AND SENSORS SENSORS ................................................................................................................................................................................................................................................. . 1111
DIAGNOSIS DIAGNOSIS AND AND TESTING.....TESTING........................................................................................................................................................................................................................................................... .... 1919
TEAR-DOWN.....TEAR-DOWN........................................................................................................... ............ ...................................................................................................................................................................................... .. 3131
VVALALVE VE BODYBODY.................................................................................................................................. ............ .............................................................................................................................................................. 53.......... 53
PUMP PUMP ................................................................................................................................ ............ ........................................................................................................................................................................................... ......... 6161
CLUTCH CLUTCH DRUMS...........DRUMS........................................................................................................ ... ................................................................................................................................................................. 65............... 65
PLANETARY PLANETARY ASSEMBLYASSEMBLY......................................................................................................... ............... .................................................................................................................................... 80.............. 80
TORQUE TORQUE CONVERTER CONVERTER CHECKS........CHECKS................................................................................................................................................................................................................................. 86....... 86
TRANSMISSION TRANSMISSION RE-ASSEMBLYRE-ASSEMBLY................................................................................................................................................................................................................................................. . 8787
AUTO AUTOMAMATIC TIC
TRANSMISSION TRANSMISSION
SERV SERVICE ICE
GROUP GROUP
18639 18639 S.WS.W. 1. 107TH A07TH AVENUEVENUE
MIAMI, MIAMI, FLORIDA FLORIDA 3315733157
(305) 670-4161(305) 670-4161
Page 2
INTRODUCTIONINTRODUCTION
FORD 4R44E/4R55EFORD 4R44E/4R55E
DALEDALE ENGLANDENGLAND
FIELD SERVICE CONSULTANTFIELD SERVICE CONSULTANT
EDED KRUSEKRUSE
TECHNICATECHNICAL CONSULTL CONSULTANTANT
WAYNEWAYNE COLONNACOLONNA
TECHNICAL SUPERVISOR TECHNICAL SUPERVISOR
PETER PETER LUBANLUBAN
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JIMJIM DIALDIAL
TECHNICATECHNICAL CONSULTL CONSULTANTANT
GREGORYGREGORY LIPNICK LIPNICK
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JERRYJERRY GOTTGOTT
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JONJON GLATSTEINGLATSTEIN
TECHNICATECHNICAL CONSULTL CONSULTANTANT
DAVIDDAVID CHALKER CHALKER
TECHNICATECHNICAL CONSULTL CONSULTANTANT
MIKE SOUZAMIKE SOUZA
TECHNICATECHNICAL CONSULTL CONSULTANTANT
ROLANDROLAND ALVAREZALVAREZTECHNICATECHNICAL CONSULTL CONSULTANTANTGERALDGERALD CAMPBELLCAMPBELLTECHNICAL CONSULTANTTECHNICAL CONSULTANT
1
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.
We wish to thank Ford Motor Company for the information
and illustrations that have made this booklet possible.
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 1993
Reprinted
March, 2003
The Ford 4R44E/4R55E is a fully electronic controlled, four speed, rear wheel drive transmission. At first
glance it resembles the familiar A4LD transmission. The shift timing, shift feel, line pressure and TCC are all
computer controlled in the 4R44E/4R55E transmissions. There are three compound planetary gearsets, three
bands, three multi-disc clutch packs and two one-way freewheel assemblies.
This manual covers the procedures necessary for inspection, teardown and assembly to properly diagnos,
repair and overhaul this transmission, along with the basic Diagnostic Trouble Codes. The ATSG PASS books
cover the diagnosing of the electronic controls.
AUTOMATI C TRANSMISSION SE RVI CE GROUP
18639 18639 S.WS.W. . 107TH A107TH AVENUEVENUE
MIAMI, MIAMI, FLORIDA FLORIDA 3315733157
(305) 670-4161(305) 670-4161
INDEXINDEX
CopyriCopyright ght © © ATSG ATSG 20062006
FORDFORD
4R44E/4R55E4R44E/4R55E
GENERAL GENERAL DESCRIPTION..DESCRIPTION............................................................................................... ... ........................................................................................................................................................ ...... 33
VEHICLE VEHICLE APPLICATION.............APPLICATION............................................................................................................................................................................................................................................ ............. 66
BEARINGS, BEARINGS, BUSHINGS BUSHINGS AND AND THRUST THRUST WWASHERS ASHERS ..................................................................................................................................................................... ............... 77
ELECTRONICS ELECTRONICS AND AND SENSORS SENSORS ................................................................................................................................................................................................................................................. . 1111
DIAGNOSIS DIAGNOSIS AND AND TESTING.....TESTING........................................................................................................................................................................................................................................................... .... 1919
TEAR-DOWN.....TEAR-DOWN........................................................................................................... ............ ...................................................................................................................................................................................... .. 3131
VVALALVE VE BODYBODY.................................................................................................................................. ............ .............................................................................................................................................................. 53.......... 53
PUMP PUMP ................................................................................................................................ ............ ........................................................................................................................................................................................... ......... 6161
CLUTCH CLUTCH DRUMS...........DRUMS........................................................................................................ ... ................................................................................................................................................................. 65............... 65
PLANETARY PLANETARY ASSEMBLYASSEMBLY......................................................................................................... ............... .................................................................................................................................... 80.............. 80
TORQUE TORQUE CONVERTER CONVERTER CHECKS........CHECKS................................................................................................................................................................................................................................. 86....... 86
TRANSMISSION TRANSMISSION RE-ASSEMBLYRE-ASSEMBLY................................................................................................................................................................................................................................................. . 8787
AUTO AUTOMAMATIC TIC
TRANSMISSION TRANSMISSION
SERV SERVICE ICE
GROUP GROUP
18639 18639 S.WS.W. 1. 107TH A07TH AVENUEVENUE
MIAMI, MIAMI, FLORIDA FLORIDA 3315733157
(305) 670-4161(305) 670-4161
Page 2
INTRODUCTIONINTRODUCTION
FORD 4R44E/4R55EFORD 4R44E/4R55E
DALEDALE ENGLANDENGLAND
FIELD SERVICE CONSULTANTFIELD SERVICE CONSULTANT
EDED KRUSEKRUSE
TECHNICATECHNICAL CONSULTL CONSULTANTANT
WAYNEWAYNE COLONNACOLONNA
TECHNICAL SUPERVISOR TECHNICAL SUPERVISOR
PETER PETER LUBANLUBAN
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JIMJIM DIALDIAL
TECHNICATECHNICAL CONSULTL CONSULTANTANT
GREGORYGREGORY LIPNICK LIPNICK
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JERRYJERRY GOTTGOTT
TECHNICATECHNICAL CONSULTL CONSULTANTANT
JONJON GLATSTEINGLATSTEIN
TECHNICATECHNICAL CONSULTL CONSULTANTANT
DAVIDDAVID CHALKER CHALKER
TECHNICATECHNICAL CONSULTL CONSULTANTANT
MIKE SOUZAMIKE SOUZA
TECHNICATECHNICAL CONSULTL CONSULTANTANT
ROLANDROLAND ALVAREZALVAREZTECHNICATECHNICAL CONSULTL CONSULTANTANTGERALDGERALD CAMPBELLCAMPBELLTECHNICAL CONSULTANTTECHNICAL CONSULTANT
1
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.
We wish to thank Ford Motor Company for the information
and illustrations that have made this booklet possible.
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 1993
Reprinted
March, 2003
The Ford 4R44E/4R55E is a fully electronic controlled, four speed, rear wheel drive transmission. At first
glance it resembles the familiar A4LD transmission. The shift timing, shift feel, line pressure and TCC are all
computer controlled in the 4R44E/4R55E transmissions. There are three compound planetary gearsets, three
bands, three multi-disc clutch packs and two one-way freewheel assemblies.
This manual covers the procedures necessary for inspection, teardown and assembly to properly diagnos,
repair and overhaul this transmission, along with the basic Diagnostic Trouble Codes. The ATSG PASS books
cover the diagnosing of the electronic controls.
AUTOMATI C TRANSMISSION SE RVI CE GROUP
18639 18639 S.WS.W. . 107TH A107TH AVENUEVENUE
MIAMI, MIAMI, FLORIDA FLORIDA 3315733157
(305) 670-4161(305) 670-4161
