Mitsubishi Lancer Evolution IX. Manual — part 567
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33-1
GROUP 33
CONTENTS
GENERAL DESCRIPTION. . . . . . . . .
SERVICE SPECIFICATIONS. . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
FRONT WHEEL ALIGNMENT CHECK AND
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . .
LOWER ARM BALL JOINT AXIAL PLAY
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BALL JOINT DUST COVER CHECK . . . . .
STRUT ASSEMBLY. . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION . . . . . . . . . . . . . . . . . . . . . . .
DISASSEMBLY AND ASSEMBLY . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
LOWER ARM . . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
BALL JOINT DUST COVER REPLACEMENT
LOWER ARM PILLOW BALL BUSHING
REPLACEMENT . . . . . . . . . . . . . . . . . . . . .
STABILIZER BAR* . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
CROSSMEMBER BAR . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING
•
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 the driver and
passenger (from rendering the SRS inoperative).
•
Service or maintenance of any SRS component or SRS-related component must be performed only at an
authorized MITSUBISHI dealer.
•
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 (*).
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GENERAL DESCRIPTION
FRONT SUSPENSION
33-2
GENERAL DESCRIPTION
M1332000100311
A MacPherson strut independent suspension-type
suspension is used for the front suspension. Aggres-
sive use of special components that include Mitsubi-
shi Motor’s own inverted struts and forged aluminium
parts reduces weight to create a suspension that
gives superior performance made with competition
use in mind.
CONSTRUCTION DIAGRAM
AC211383AC
Stabilizer bar
Lower arm assembly
(forged aluminium)
Front axle No.1
crossmember
Strut (inverted strut)
Strut insulator
Coil spring
Stabilizer link
(pillow ball bushing)
Front axle
crossmember bar
Lower arm bushing
(pillow ball bushing)
SPECIFICATIONS
COIL SPRING
Item
Specification
Wire diameter mm
14
Average diameter mm
155
Free length mm
286
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SERVICE SPECIFICATIONS
FRONT SUSPENSION
33-3
SERVICE SPECIFICATIONS
M1332000300735
Item
Specification
Toe-in mm
0
± 2
Steering angle
Inner wheel
31
°45' ± 1°30'
Outer wheel (reference)
27
°15'
Camber (selectable from 2 options)
−1°00' ± 0°30'* or −2°00’ ± 0°30’ (Left/right
deviation within 30')
Caster
3
°55' ± 0°30' (Left/right deviation within 30')
Kingpin inclination
13
°45' ± 1°30'
Lower arm ball joint starting torque N
⋅m
0.5
− 3.4
Lower arm pillow ball bushing starting torque N
⋅m
0.5
− 3.0
Stabilizer link ball joint turning torque N
⋅m
1.7
− 3.2
NOTE: *: Default factory setting
SPECIAL TOOLS
M1332000600532
Tool
Number
Name
Use
MB991237
A
B
A: MB991237
B: MB991238
A: Spring compressor
body
B: Arm set
Coil spring compression
MB991680
A
B
MB991680
A: MB991681
B: MB991682
Wrench set
A: Wrench
B: Socket
Strut assembly
disassembly and
reassembly
MB991006
MB991006
Preload socket
Lower arm ball joint
starting torque
measurement
MB990326
MB990326
Preload socket
Lower arm ball bushing
starting torque
measurement
MB990800
MB990800
Ball joint dust cover
installer
Lower arm ball joint dust
cover press-in
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MB990883
ON-VEHICLE SERVICE
FRONT SUSPENSION
33-4
ON-VEHICLE SERVICE
FRONT WHEEL ALIGNMENT CHECK AND
ADJUSTMENT
M1331000900875
Measure wheel alignment with alignment equipment
on a level surface. The front suspension, steering
system, wheels, and tires should be serviced to nor-
mal condition before measuring wheel alignment.
TOE-IN
Standard value: 0
± 2 mm
AC006074 AD
Lock nut
Clip
1. Adjust the toe-in by undoing the clip and lock nut,
and turning the left and right tie rod turnbuckles by
the same amount (in opposite directions).
NOTE: The toe will move out as the left turnbuckle
is turned toward the front of the vehicle and the
right turnbuckle is turned toward the rear of the
vehicle.
2. Install the clip and tighten the lock nut to the
specified torque.
Tightening torque: 52
± 2 N⋅m
3. Confirm that the toe-in is at the standard value.
4. Use a turning radius gauge to check that the
steering angle is at the standard value.
Standard value:
Inner wheel
31
°45' ± 1°30'
Outer wheel (for
reference)
27
°15'
MB990651
Bar
Lower arm pillow ball
bushing removal and
press-fitting
MB991816
Bushing remover &
installer base
MB991576
MB991576
Base
AC106827
MB991897 or MB992011
Ball joint remover
Knuckle and tie rod end
ball joint disconnection
NOTE: Steering linkage
puller (MB990635 or
MB991113) is also
available to disconnect
knuckle and tie rod end
ball joint.
Tool
Number
Name
Use
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