axle MITSUBISHI LANCER EVOLUTION VI 1999 Workshop Manual

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General . . . . . . . . . . . . . . . . . . . . . . . .
Engine . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clutch . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission . . . . . . . . . . .
Front Axle . . . . . . . . . . . . . . . . . . . . . .
Rear Axle . . . . . . . . . . . . . . . . . . . . . .
Front Suspension . . . . . . . . . . . . . . .
Service Brakes . . . . . . . . . . . . . . . . .
Steering . . . . . . . . . . . . . . . . . . . . . . . .
Body . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior . . . . . . . . . . . . . . . . . . . . . . . .
Chassis Electrical . . . . . . . . . . . . . .
Electrical Wiring . . . . . . . . . . . . . . . .
WORKSHOP MANUAL
SUPPLEMENT
FOREWORD
This Workshop Manual contains procedures for
service mechanics, including removal, disassembly,
inspection, adjustment, reassembly and
installation. Use the following manuals in
combination with this manual as required.
TECHNICAL INFORMATION MANUAL
N9806CNCP9
N9806CNCP9-A
WORKSHOP MANUAL
S9806CNCP9
All information, illustrations and product
descriptions contained in this manual are current
as at the time of publication. We, however, reserve
the right to make changes at any time without prior
notice or obligation.
The EVOLUTION -VI is sold exclusively through
RALLIART Inc. Since the EVOLUTION-VI is a rally-
based model, it will not be warranted and will not be
homologated for general production. Therefore, any
service matters on the EVOLUTION-VI should be
inquired to RALLIART Inc. as usual.
EVOLUTION-VI

Mitsubishi Motors Corporation March 1999
Interior and Supplemental
Restraint System (SRS) . . . . . . . . .
.
Heater, Air Conditioner and
Ventilation . . . . . . . . . . . . . . . . . . . . .
.

00-1
GENERAL
CONTENTS
HOW TO USE THIS MANUAL 3. . . . . . . . . . . . . .
Scope of Maintenance, Repair and Servicing
Explanations 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Definition of Terms 3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Indication of Tightening Torque 3. . . . . . . . . . . . . . . .
Explanation of Manual Contents 4. . . . . . . . . . . . . . .
HOW TO USE
TROUBLESHOOTING/INSPECTION SERVICE
POINTS 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting Contents 6. . . . . . . . . . . . . . . . . . . . .
Diagnosis Function 7. . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Use the Inspection Procedures 10. . . . . . .
Connector Measurement Service Points 11. . . . . . .
Connector Inspection 12. . . . . . . . . . . . . . . . . . . . . . . .
Inspection Service Points for a Blown Fuse 13. . . Points to Note for Intermittent Malfunctions 13. . . .
MODELS 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PRECAUTIONS BEFORE SERVICE 15. . . . . . .
SUPPORT LOCATIONS FOR LIFTING AND
JACKING 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garage Jack 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Axle Stands 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Single-post and Double-post Lift 19. . . . . . . . . . . . . .
SPECIAL HANDLING INSTRUMENTS FOR
TOWING 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BRAKE TEST 21. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIGHTENING TORQUE 22. . . . . . . . . . . . . . . . . . .

GENERAL – Support Locations for Lifting and Jacking00-19
AXLE STANDS
SINGLE-POST AND
DOUBLE-POST LIFT
Notch
Rubber
RubberNotch
Notch
Notch

FRONT AXLE – General / Axle Hub and Knuckle 26-1
GROUP 26
FRONT AXLE
GENERAL
OUTLINE OF CHANGE

The installation method of the ball joint between the knuckle and the lower arm has been changed,
and accordingly the removal and installation procedures of the axle hub and the knuckle have been
revised.
AXLE HUB AND KNUCKLE
REMOVAL AND INSTALLATION
Caution
(1) For vehicles with AYC, be careful when handling the pole piece at the tip of the speed sensor so as
not to damage it by striking against other parts.
(2) For vehicles with AYC, be careful not to damage the rotors installed to B.J. outer race during removal
and installation of the drive shaft.
Post-installation Operation

Check the Dust Cover for Cracks or Damage by
Pushing it with Finger.
1
23
4 5 6 7
8
12 1415
1388 Nm 108 – 127 Nm
90 – 110 Nm
15 – 33 Nm177 – 275 Nm 25 Nm
25 Nm
9 Nm
103 Nm
74 –87
Nm
11 910
1610
11
Ball joint kit
Removal steps
1. Front speed sensor AYC>
A2. Caliper assembly
3. Brake disc
4. Split pin
BA5. Drive shaft nut
6. Front hub assembly
7. Dust shield
8. Connection for lower arm ball joint
9. Connection bolt for lower arm joint10. Lower arm ball joint
11. Dust cover
12. Split pin
C13. Connection for tie rod end
D14. Front drive shaft
15. Front strut mounting bolt
16. Knuckle
NOTE
Follow the conventional procedures for removal
and installation service points.

FRONT AXLE – Axle Hub and Knuckle 26-2
INSPECTION
LOWER ARM BALL JOINT ROTATION STARTING
TORQUE CHECK
(1) After shaking the ball joint stud several times, install the
nut to the stud and use the special tool to measure the
rotation starting torque of the ball joint.
Standard value: 1.0 – 3.4 Nm
(2) When the measured value exceeds the standard value,
replace the ball joint assembly.
(3) When the measured value is lower than the standard
value, check that the ball joint turns smoothly without
excessive play. If so, it is possible to use that ball joint.
LOWER ARM BALL JOINT DUST COVER
REPLACEMENT
When the dust cover is damaged during service work or grease
leaks out from the dust cover, replace the dust cover in the
conventional procedure. After replacement, check the dust
cover for cracks or damage by pushing it with finger.
MB990326

27-1
REAR AXLE
CONTENTS
GENERAL 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outline of Change 2. . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE SPECIFICATIONS 2. . . . . . . . . . . . . .
LUBRICANT 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS 3. . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 4. . . . . . . . . . . . .
ON-VEHICLE SERVICE
31. . . . . . . . . . . . . . .
Rear Axle Total Backlash Check 31. . . . . . . . . . .
Gear Oil Level Check 31. . . . . . . . . . . . . . . . . . . .
Gear Oil Change 32. . . . . . . . . . . . . . . . . . . . . . . . .
Fluid Level Check 33. . . . . . . . . . . . . . . . . . . . . . . . Bleeding 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AYC Operation Check 34. . . . . . . . . . . . . . . . . . . .
Hydraulic Pressure Check 35. . . . . . . . . . . . . . . . .
Differential Carrier Oil Seal
Replacement 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Speed Sensor Output Voltage
Measurement 37. . . . .
Action When Battery Runs Out 38. . . . . . . . . . . .
HYDRAULIC UNIT
39. . . . . . . . . . . . . . .
SENSOR RELAY
41. . . . . . . . . . . . . . .
AYC-ECU 42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REAR AXLE – General / Service Specifications / Lubricant27-2
GENERAL
OUTLINE OF CHANGE

The descriptions of the service procedures for the AYC system including the troubleshooting using
an MUT-II tester has been incorporated.
SERVICE SPECIFICATIONS

ItemsStandard valueLimit
Rear axle total backlash mm–5
Pressure generated by hydraulic unit MPa0 – 1.6–
Wheel bearing axial play mm–0.05
Wheel bearing rotation starting torque Nm–1.0 or less
LUBRICANT

ItemsSpecified lubricantCapacity
Gear oilTorque
transfer
differential
DifferentialHypoid gear oil API classification GL-5 or higher
SAE viscosity No. 90, 80W0.41 ± 0.02

differentialTorque transfer
mechanismMITSUBISHI GENUINE DIA QUEEN AYC FLUID0.700
0.05

Hydraulic piping fluidDia Queen ATF SPII or equivalent1

Torque transfer mechanism oil seal lipsVaselineAs required

REAR AXLE – Special Tools27-3
SPECIAL TOOLS
ToolNumberNameUse
MB991502MUT-II sub-
assemblyInspection of AYC
(diagnosis display by MUT-II)
MB991529Diagnosis code
check harnessInspection of AYC
(diagnosis display by AYC warning lamp)
MD998330
(MD998331)Oil pressure
gauge
(2,942 kPa)Hydraulic pressure measurement

MB991705Hose adapter
MB990925Bearing & oil seal
installer setPressfitting of oil seal
MB991115Oil seal installerPressfitting of oil seal
(used in combination with MB990938)
MD998812Installer capPressfitting of oil seal nism of vehicles with AYC>
MD998813Installer 100
MD998829Installer adapter
(60)

REAR AXLE – Special Tools / Troubleshooting 27-4
MB990925
Brass bar
Bar (one-touch type)Toolbox
Installer adapter
Tool number (MB990925)O.D. mmTool number (MB990925)O.D. mm
AMB99092639.0AMB99093363.5
MB99092745.0MB99093467.5
MB99092849.5MB99093571.5
MB99092951.0MB99093675.5
MB99093054.0MB99093779.0
MB99093157.0BMB990938–
MB99093261.0CMB990939–
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.

The correct steering wheel has been properly installed in the neutral position of the steering column
shaft.

Tire and wheel sizes are correct with correct specifications. Inflation pressure, balance, and wear
conditions are okay.

Wheel alignment is correct.

The engine, suspension, and other parts have not been remodeled so as to affect the AYC system.
DIAGNOSIS FUNCTION
READING THE DIAGNOSIS CODE
Read the diagnosis code using an MUT-II tester or the AYC warning lamp.
(Refer to Group 00 – How to Use Troubleshooting / Inspection Service Points.)
ERASING THE DIAGNOSIS CODE
Refer to Group 00 – How to Use Troubleshooting / Inspection Service Points.

REAR AXLE – Troubleshooting 27-5
3. INSPECTION CHART FOR DIAGNOSIS CODE
Diagnosis
code No.Diagnosis itemsRef. page
12Power supply voltage (valve power supply) system (open- or short-circuit)27-6
21FR wheel speed sensor system (open- or short-circuit)27-6
22FL wheel speed sensor system (open- or short-circuit)27-6
23RR wheel speed sensor system (open- or short-circuit)27-6
24RL wheel speed sensor system (open- or short-circuit)27-6
25Wrong-diameter tire27-8
26Faulty wheel speed sensor27-9
31Steer sensor (ST-1, ST-2, ST-N) system (open-circuit)27-10
32Steer sensor (ST-N) system (short-circuit)27-10
33Steer sensor (ST-N) system27-11
34Steer sensor (ST-1, ST-2) system (short-circuit)27-11
41TPS system (open- or short-circuit)27-12
51Longitudinal acceleration sensor system (open- or short-circuit)27-12
52Longitudinal acceleration sensor27-13
56Lateral acceleration sensor system (open- or short-circuit)27-12
61Stop lamp switch system (open-circuit)27-13
65ABS monitor system (open-circuit or defective ABS)27-14
71Proportioning valve system (open- or short-circuit)27-14
72Directional control valve (right) system (open- or short-circuit)27-15
73Directional control valve (left) system (open- or short-circuit)27-16
81AYC relay system (open- or short-circuit)27-17
82Electric pump system27-18
83Electric pump system27-19