Isuzu N-Series. Service manual

Transmission Control System (Smoother) 7A-219

Special Tools and Equipment

Illustration

Tool Number / Description /

Remarks

5-8840-2691-0/

Digital multimeter

Tech 2/

Scan tool

Automatic Transmission (Smoother) 7B-1

TRANSMISSION/TRANSAXLE

Automatic Transmission (Smoother)

Contents

Smoother Mechanism ........................................... 7B-3

Description of Function and Operation .............. 7B-3
Part Location Diagram....................................... 7B-6
Function Check:................................................. 7B-7

Selector Lever Assembly .................................... 7B-10

Components .................................................... 7B-10
Removal .......................................................... 7B-10
Installation ....................................................... 7B-11

Selector Lever ..................................................... 7B-12

Components .................................................... 7B-12
Disassembly .................................................... 7B-12
Assembly ......................................................... 7B-12

Vehicle Speed Sensor......................................... 7B-13

Removal .......................................................... 7B-13
Installation ....................................................... 7B-13

Gear Shift Position Sensor.................................. 7B-14

Removal .......................................................... 7B-14
Inspection ........................................................ 7B-14
Installation ....................................................... 7B-14

Gear Select Position Sensor ............................... 7B-16

Removal .......................................................... 7B-16
Inspection ........................................................ 7B-16
Installation ....................................................... 7B-16

Neutral Switch ..................................................... 7B-18

Removal .......................................................... 7B-18
Inspection ........................................................ 7B-18
Installation ....................................................... 7B-18

Reverse Switch ................................................... 7B-19

Removal .......................................................... 7B-19
Inspection ........................................................ 7B-19
Installation ....................................................... 7B-19

Input Shaft Speed Sensor ................................... 7B-20

Removal .......................................................... 7B-20
Inspection ........................................................ 7B-20
Installation ....................................................... 7B-20

Turbine Speed Sensor ........................................ 7B-21

Removal .......................................................... 7B-21
Inspection ........................................................ 7B-21
Installation ....................................................... 7B-21

Transmission Fluid Cooler Circuit ....................... 7B-22

Removal .......................................................... 7B-22
Installation ....................................................... 7B-22

Flushing The Transmission Fluid Cooler Circuit . 7B-23

Inspection ........................................................ 7B-23

Smoother Transmission Assembly...................... 7B-24

Removal .......................................................... 7B-24
Installation ....................................................... 7B-26
Tightening Torques.......................................... 7B-29

Oil Filter ...............................................................7B-30

Components.....................................................7B-30
Removal...........................................................7B-30
Installation........................................................7B-30

Smoother .............................................................7B-31

Components.....................................................7B-31
Disassembly.....................................................7B-32
Assembly .........................................................7B-35
Tightening Torques ..........................................7B-39
Special Tools ...................................................7B-40

Rear Oil Seal (5-Speed) ......................................7B-41

Components.....................................................7B-41
Removal...........................................................7B-41
Installation........................................................7B-42
Tightening Torques ..........................................7B-43
Special Tools ...................................................7B-44

Rear Oil Seal (6-Speed) ......................................7B-45

Components.....................................................7B-45
Removal...........................................................7B-45
Installation........................................................7B-46
Tightening Torques ..........................................7B-47
Special Tools ...................................................7B-48

MYY Transmission (5-Speed) .............................7B-49

Components.....................................................7B-49
Disassembly.....................................................7B-51
Assembly .........................................................7B-55
Tightening Torques ..........................................7B-66
Special Tools ...................................................7B-67

MYY Transmission (6-Speed) .............................7B-68

Components.....................................................7B-68
Disassembly.....................................................7B-70
Assembly .........................................................7B-76
Tightening Torques ..........................................7B-88
Special Tools ...................................................7B-89

Top Gear Shaft ....................................................7B-90

Components.....................................................7B-90
Disassembly.....................................................7B-90
Assembly .........................................................7B-91
Special Tools ...................................................7B-92

Main Shaft (5-Speed) ..........................................7B-93

Components.....................................................7B-93
Disassembly.....................................................7B-94
Assembly .........................................................7B-97
Special Tools .................................................7B-103

Main Shaft (6-Speed) ........................................7B-104

Components...................................................7B-104
Disassembly...................................................7B-105
Assembly .......................................................7B-108
Special Tools .................................................7B-114

Isuzu N-Series. Service manual - part 941