Page 810 of 1449

22A-2
MANUAL
TRANSMISSION
CONTENTS
GENERAL 3.................................
Outline of Changes 3...........................
GENERAL INFORMATION 3..................
SERVICE SPECIFICATION 3..................
LUBRICANTS 3..............................
SPECIAL TOOLS 4...........................
TROUBLESHOOTING 5...............
ON-VEHICLE SERVICE 40....................
Transmission Oil Check 40......................
Transmission Oil Replacement 40................
Transfer Oil Check 40..........................
Transfer Oil Replacement 40....................
Fluid Check
ACD and AYC> 41.............................
Bleeding
ACD and AYC> 42.............................ACD Operation Check
vehicles with ACD and AYC> 42................
Hydraulic Pressure Check
vehicles with ACD and AYC> 43................
Wheel Speed Sensor Output Voltage
Measurement
ACD and AYC> 44.............................
TRANSMISSION CONTROL* 46...............
TRANSFER ASSEMBLY 49...................
TRANSMISSION ASSEMBLY 52...............
4WD-ECU
VEHICLES WITH ACD AND AYC> 55.........
SENSOR, SWITCH AND RELAY
WITH ACD OR VEHICLES WITH ACD AND
AYC> 56.....................................
HYDRAULIC UNIT Refer to GROUP27B.......
WARNING REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING!
(1) Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead to personal
injury or death to service personnel (from inadvertent firing of the air bag) or to driver and passenger (from rendering
the SRS inoperative).
(2) Service or maintenance of any SRS component or SRS-related component must be performed only at an authorized
MITSUBISHI dealer.
(3) MITSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B - Supplemental
Restraint System (SRS) before beginning any service or maintenance of any component of the SRS or any SRS-related
component.
NOTE
The SRS includes the following components: SRS-ECU, SRS warning lamp, air bag module, clock spring, and interconnecting
wiring. Other SRS-related components (that may have to be removed/installed in connection with SRS service or maintenance) are
indicated in the table of contents by an asterisk (*).
Page 811 of 1449

MANUAL TRANSMISSION -General/General Information/
Service Specification/Lubricants22A-3
GENERAL
OUTLINE OF CHANGE
With the addition of the EVOLUTION-VII, the W5M51 transmission service adjustment procedure has
been set as follows.
GENERAL INFORMATION
ItemsSpecifications
GradeRS, RS IIRS, RS II (With super cross gear)
Transmission modelW5M51
Engine model4G63-DOHC-T/C
Type5-speed, floor-shift
Gear ratio1st2.7852.785
2nd1.9501.950
3rd1.4071.444
4th1.0311.096
5th0.7200.825
Reverse3.4163.416
Final reduction ratio
(Differential gear ratio)4.5294.529
Front limited-slip differential
(Helical-gear type)Not providedProvided
TransferReduction ratio3.3073.307
Limited-slipdifferentialVCU or hydraulic multi plate
clutch (ACD)VCU or hydraulic multi plate
clutch (ACD)
SERVICE SPECIFICATION
ItemStandard value
Hydraulic unit generation oil pressureMPa1.0 - 1.6
LUBRICANTS
ItemSpecified lubricantQuantity L
Transmission oilGear oil SAE 75W-90 or 75W-85W conforming to API GL-42.8
Transfer
oilVehicles without ACD or ve-
hicles without ACD and AYCMITSUBISHI Genuine Gear Oil Part No.8149630 EX,
CASTROL HYPOY LS (GL-5, SAE 90), SHELL-LSD
(GL 5SAE80W90)orequivalent
0.55
Vehicles with ACD or vehicles
with ACD and AYC(GL-5, SAE 80W - 90) or equivalent0.6
FluidPiping between ACD and
hydraulic unitDIA QUEEN ATF SP III0.9
Pipes between ACD and hy-
draulic unit and between AYC
and hydraulic unit1.0
Page 813 of 1449

MANUAL TRANSMISSION - Troubleshooting 22A-5
TROUBLESHOOTING
BASIC TROUBLESHOOTING CONDITIONS
Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points.
NOTE
Before starting the troubleshooting procedure, make sure that the following items have been checked
okay.
DIs the appropriate steering wheel installed at the center of the steering column shaft correctly?
DAre the tire, wheel size, specifications, air pressure, balance, and wear state normal?
DIs the wheel alignment normal?
DHas the engine, suspension, etc. been remodeled in such a way that it will affect the ACD and AYC
systems?
DIAGNOSIS FUNCTION
READING DIAGNOSIS CODE
Read a diagnosis code by the MUT-IIor ACD mode indicator
lamp. (Refer to GROUP 00 - How to Use Troubleshooting/
Inspection Service Points.)
NOTE
Connect the MUT-IIto the diagnosis connector (16-pin).
ERASING DIAGNOSIS CODES
When using the MUT-II
Connect the MUT-IIto the diagnosis connector (16-pin) and
erase the diagnosis code.
Caution
Turn the ignition switch to the “LOCK”(OFF) position
before connecting or disconnecting the MUT-II.
ACDmode indicator lamp
Page 867 of 1449
22B-1
MANUAL
TRANSMISSION
OVERHAUL
CONTENTS
GENERAL DESCRIPTION 2...................
SPECIFICATIONS 6..........................
SERVICE SPECIFICATIONS 6.................
SEALANTS 7................................
LUBRICANTS 8..............................
SNAP RINGS, SPACERS AND THRUST
PLATES FOR ADJUSTMENT 9................
TIGHTENING TORQUE 11....................
SPECIAL TOOLS 12..........................
TRANSMISSION 15...........................
INPUT SHAFT 22............................OUTPUT SHAFT 29..........................
REVERSE IDLER GEAR 37...................
SPEEDOMETER GEAR 38....................
SELECT LEVER 39...........................
CONTROL HOUSING 40......................
CLUTCH HOUSING 43........................
TRANSMISSION CASE 46....................
CENTER DIFFERENTIAL 48..................
TRANSFER 51...............................
Page 872 of 1449

MANUAL TRANSMISSION OVERHAUL -Specifications/Service Specifications22B-6
SPECIFICATIONS
TRANSMISSION MODEL TABLE
Transmission
modelGear ratioSpeedometer
gear ratioFinal
reduction
ratioFront LSDVehicle modelEngine model
W5M51 - 2 - X5BA28/364.529CT9A4G63 - I/C•T/C
W5M51 - 2 - X5B1B28/364.529Not providedCT9A4G63 - I/C •T/C
W5M51 - 2 - X5B2C28/364.529ProvidedCT9A4G63 - I/C •T/C
W5M51 - 2 - X5B3B28/364.529Not providedCT9A4G63 - I/C •T/C
W5M51 - 2 - X5B4C28/364.529ProvidedCT9A4G63 - I/C •T/C
GEAR RATIO TABLE
ABC
1st2.9282.785←
2nd1.950←←
3rd1.407←1.444
4th1.031←1.096
5th0.720←0.825
Reverse3.416←←
Transfer gear ratio0.3018←←
SERVICE SPECIFICATIONS
ItemsStandard value mmLimit value mm
Input shaft end play0.05 loose to 0.17 loose-
Input shaft front bearing end play0.01 tight to 0.12 loose-
Input shaft rear bearing end play0.01 tight to 0.12 loose-
Input shaft 5th speed gear end play0.01 tight to 0.09 loose-
Output shaft preload0.13 tight to 0.18 tight-
Output shaft bearing end play0.01 tight to 0.09 loose-
Output shaft 3rd speed gear end play0.01 tight to 0.09 loose-
Center differential case preload0.05 tight to 0.11 tight-
Center differential case pinion backlash0.025 - 0.150-
Clearance between synchronizer ring rear surface and gears-0.5
Provided
Page 919 of 1449
25-1
PROPELLER
SHAFT
CONTENTS
GENERAL INFORMATION 2..................
SERVICE SPECIFICATIONS 2.................
LUBRICANT 2...............................SEALANT 2..................................
SPECIAL TOOL 2............................
PROPELLER SHAFT 3.......................
Page 920 of 1449
PROPELLER SHAFT -General Information/Service Specification/
Lubricant/Sealant/Special Tool25-2
GENERAL INFORMATION
3 way split 4-joint type propeller shaft with center bearing is adopted.
SERVICE SPECIFICATION
ItemsStandard valueLimit
Propeller shaft runout mm-0.5
LUBRICANT
ItemsSpecified lubricantQuantity
Front propeller shaft sleeve
yokeHypoid gear oil SAE 75W-90 or 75W-85W or 80W
conforming to API GL-4As required
LJ assemblyRepair kit grease75±5g
SEALANT
ItemsSpecified sealantsRemarks
LJ assembly rubber packing3M Stud Locking 4170 or equivalentAnaerobic sealant
SPECIAL TOOL
ToolNumberNameUse
MB998801Bearing removerRemoval of the center bearing assembly
Page 929 of 1449
26-1
FRONT AXLE
CONTENTS
GENERAL INFORMATION 2..................
SERVICE SPECIFICATIONS 3.................
LUBRICANTS 3..............................
SPECIAL TOOLS 3...........................ON-VEHICLE SERVICE 5.....................
Wheel Bearing Axial Play Check 5..............
Hub bolt replacement 5.........................
HUB AND KNUCKLE ASSEMBLY 6...........
DRIVE SHAFT 10............................