42LE TRANSAXLE
TABLE OF CONTENTS
page page
DESCRIPTION AND OPERATION
42LE TRANSAXLE ........................2
FLUID REQUIREMENT .....................4
TORQUE CONVERTER .....................4
OIL PUMP...............................5
VALVE BODY.............................6
ACCUMULATORS .........................7
INPUT CLUTCHES ........................8
HOLDING CLUTCHES ......................9
PLANETARY GEARTRAIN ..................10
DIFFERENTIAL ..........................10
TRANSMISSION CONTROL MODULE ........10
TRANSMISSION CONTROL RELAY ..........13
SOLENOID/PRESSURE SWITCH ASSEMBLY ...14
TRANSMISSION RANGE SENSOR ...........15
SHIFT POSITION INDICATOR...............16
INPUT SPEED SENSOR ...................16
OUTPUT SPEED SENSOR..................17
BRAKE TRANSMISSION SHIFT INTERLOCK
SYSTEM (FLOOR SHIFT).................18
BRAKE TRANSMISSION SHIFT INTERLOCK
SYSTEM (COLUMN SHIFT)...............18
AUTOSTICK.............................19
DIAGNOSIS AND TESTING
42LE GENERAL DIAGNOSIS................20
ROAD TEST ............................20
HYDRAULIC PRESSURE TESTS.............21
CLUTCH AIR PRESSURE TESTS ............23
FLUID LEAKAGE .........................24
FLUID LEAKAGE-TORQUE CONVERTER
HOUSING AREA........................25
BRAKE/TRANSMISSION SHIFT INTERLOCK
SYSTEM (COLUMN SHIFT)...............26
BRAKE/TRANSMISSION SHIFT INTERLOCK
SYSTEM (FLOOR SHIFT).................27
SHIFT POSITION INDICATOR...............28
AUTOSTICK.............................28
SERVICE PROCEDURES
FLUID LEVEL AND CONDITION CHECK .......29
FLUID AND FILTER SERVICE—
TRANSMISSION .......................29
FLUID DRAIN AND REFILL-DIFFERENTIAL
SUMP ...............................31
ALUMINUM THREAD REPAIR ..............31
FLUSHING COOLERS AND TUBES...........31
OIL PUMP VOLUME CHECK................32
TRANSAXLE QUICK LEARN PROCEDURE .....33
PINION FACTOR PROCEDURE ..............33
REMOVAL AND INSTALLATION
GEARSHIFT CABLE–COLUMN SHIFT .........33
GEARSHIFT CABLE–FLOOR SHIFT...........36
FLOOR SHIFTER.........................38
INTERLOCK CASSETTE ...................39
BRAKE TRANSMISSION SHIFT INTERLOCK
SOLENOID (COLUMN)...................40
BRAKE/TRANSMISSION SHIFT INTERLOCK
CABLE (FLOOR)........................43
TRANSMISSION RANGE SENSOR ...........45
INPUT SPEED SENSOR ...................46
OUTPUT SPEED SENSOR..................46
TRANSMISSION CONTROL MODULE ........47
TRANSMISSION CONTROL RELAY ..........48
SOLENOID/PRESSURE SWITCH ASSEMBLY ...48
VALVE BODY............................48
TRANSAXLE ............................50
OIL PUMP SEAL REPLACEMENT............52
TRANSFER SHAFT SEAL REPLACEMENT .....53
LONG STUB SHAFT SEAL REPLACEMENT ....54
SHORT STUB SHAFT SEAL REPLACEMENT ...55
DISASSEMBLY AND ASSEMBLY
VALVE BODY............................57
TRANSAXLE—DISASSEMBLY ..............65
OIL PUMP..............................83
INPUT CLUTCH ASSEMBLY ................84
TRANSAXLE—ASSEMBLY ................101
DIFFERENTIAL RECONDITION .............119
CLEANING AND INSPECTION
TRANSFER CHAINS LENGTH
MEASUREMENT ......................140
ADJUSTMENTS
GEARSHIFT CABLE–COLUMN SHIFT ........141
GEARSHIFT CABLE–FLOOR SHIFT..........141
LH 42LE TRANSAXLE 21 - 1