Workshop

HYDRA – MATIC 4L40 – E / 5L40 – E

INDEX
Copyright © ATSG 2002
HYDRA-MATIC 4L40-E/5L40-E
2
AUTOMATIC TRANSMISSION SERVICE GROUP
9200 S. DADELAND BLVD. SUITE 720
MIAMI, FLORIDA 33156
(305) 670-4161
5L40-E IDENTIFICATION TAG INFORMATION .......................................................................................... 3
CUT-AWAY VIEW AND COOLER LINE IDENTIFICATION ........................................................................ 4
COMPONENT APPLICATION CHART .......................................................................................................... 5
SOLENOID APPLICATION AND RESISTANCE CHARTS ........................................................................... 6
INTERNAL WIRE SCHEMATIC ..................................................................................................................... 7
TCM LOCATION, CONNECTOR I.D. AND UNDERHOOD FUSE BLOCK I.D. ........................................ 8
ELECTRONIC COMPONENT LOCATER ....................................................................................................... 10
INTERNAL MODE SWITCH DESCRIPTION ............. ................................................................................... 11
DIAGNOSTIC TROUBLE CODES AND DESCRIPTION ............................................................................... 12
GENERAL OPERATION AND DESCRIPTION ............. ................................................................................. 14
FLUID LEVEL CHECKING PROCEDURE .................................................................................................... 15
LINE PRESSURE TESTS .................................................................................................................................. 16
OIL PRESSURE PASSAGE IDENTIFICATIONS ........................................................................................... 17
CHECK BALL DESCRIPTIONS ....................................................................................................................... 24
TRANSMISSION DISASSEMBLY .................................................................................................................... 27
TRANSMISSION EXPLODED VIEW .............................................................................................................. 30
COMPONENT REBUILD SECTION.........
CASE ASSEMBLY .......................................................................................................................................... 41
OIL PUMP ASSEMBLY .................................................................................................................................. 45
DIRECT AND REVERSE CLUTCH HOUSING ........................................................................................... 51
FORWARD AND COAST CLUTCH HOUSING ........................................................................................... 59
FORWARD SPRAG ASSEMBLY ................................................................................................................... 67
INTERMEDIATE SPRAG ASSEMBLY ........................................................................................................ 69
INTERMEDIATE AND OVERDRIVE CLUTCH HOUSING ...................................................................... 76
LOW SPRAG ASSEMBLY .............................................................................................................................. 81
CENTER SUPPORT ASSEMBLY ................................................................................................................. 84
5L40-E PLANETARY CARRIER ASSEMBLY .............................................................................................. 96
4L40-E PLANETARY CARRIER ASSEMBLY .............................................................................................. 99
VALVE BODY ASSEMBLY ............................................................................................................................ 102
CHECKBALL LOCATIONS .......................................................................................................................... 105
FINAL TRANSMISSION ASSEMBLY ............................................................................................................ 108
BOLT IDENTIFICATION CHART ................................................................................................................. 126
TORQUE SPECIFICATIONS .......................................................................................................................... 127
"Portions of materials contained herein have been reprinted with
permission of General Motors Corporation, Service Operations."

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