Mitsubishi Lancer Evolution IX. Manual - part 568

ON-VEHICLE SERVICE

FRONT SUSPENSION

33-5

CAMBER, CASTER AND KINGPIN 
INCLINATION

Standard value:

Item

Specification

Camber (Selectable from 
2 options)

−1°00' ± 0°30'*1 or 
−2°00' ± 0°30'*

1

Caster

3

°55' ± 0°30'*

1

Kingpin inclination

13

°45' ± 1°30'

NOTE: 

.

1. *

1

: Difference between right and left wheels must 

be less than 30'

2. Caster and kingpin inclination are preset at the 

factory and cannot be adjusted.

SELECTION THE CAMBER

AC505096

<Camber: –1˚00'>

AE

<Camber: –2˚00'>

Select the camber by the installation direction of the 
arrow of the connecting bolt of the strut assembly 
and the knuckle.

• −1°00' ± 0°30': Install the bolt turning the arrow in 

the direction of inside the vehicle.

• −2°00' ± 0°30': Install the bolt turning the arrow in 

the direction of outside the vehicle.

LOWER ARM BALL JOINT AXIAL PLAY 
CHECK

M1332010900051

1. Raise the vehicle.
2. Remove the stabilizer bar from the lower arm 

assembly.

3. Move the lower arm up and down with your hands 

to check for excessive play in the axial direction of 
the ball joint. If there is excessive play, replace the 
lower arm assembly.

BALL JOINT DUST COVER CHECK

M1332008600398

1. Press the dust cover with your finger to check that 

there are no cracks or damage in the dust cover.

2. If the dust cover is cracked or damaged, replace 

the lower arm assembly.
NOTE: If the dust cover is cracked or damaged, it 
is possible that there may also be damage to the 
ball joint.

STRUT ASSEMBLY

FRONT SUSPENSION

33-6

STRUT ASSEMBLY

REMOVAL AND INSTALLATION

M1332001100422

Post-installation Operation
• Front Wheel Alignment Check and Adjustment (Refer to 

P.33-4

).

AC310743 AB

3

5

2

1

4

44 ± 5 N·m

167 ± 9 N·m

Removal steps 

1.

Front wheel speed sensor harness 
bracket

2.

Brake hose bracket

3.

Knuckle connection

4.

Strut mounting nut

5.

Strut assembly

INSPECTION

M1332001200300

• Check for oil leaks from the strut assembly.

• Check the strut assembly for damage or defor-

mation.

STRUT ASSEMBLY

FRONT SUSPENSION

33-7

DISASSEMBLY AND ASSEMBLY

M1332001300620

AC310745

3

1

2

3

4

5

60 ± 10 N·m

6

7

8

9

AB

Disassembly steps 

1.

Strut cover

<<

A

>>>>

A

<<2.

Strut nut

3.

Strut insulator

4.

Spring upper seat

5.

Strut damper

6.

Strut cover

7.

Coil spring

8.

Spring lower pad

<<

B

>>

9.

Front suspension strut

Disassembly steps (Continued)

STRUT ASSEMBLY

FRONT SUSPENSION

33-8

DISASSEMBLY SERVICE POINTS
<<A>> STRUT NUT REMOVAL

CAUTION

• Do not tighten the bolt of special tool spring 

compressor body (MB991237) too tight. Spe-
cial tool spring compressor body (MB991237) 
will be broken if the allowable tightening 
torque of 74 N

⋅m is exceed.

• Install special tool arm set (MB991238) evenly, 

and so that the maximum length will be 
attained within the installation range.

•

AC001085AB

MB991238

MB991237

Do not use an impact wrench to tighten the 
bolt of special tool spring compressor body 
(MB991237), otherwise the special tool will 
break.

1. Use following special tools to compress the coil 

spring.

• Spring compressor body (MB991237)

• Arm set (MB991238)

WARNING

Do not use an impact wrench to remove the 
strut nut.

•

Vibration of the impact wrench will cause 
special tools (MB991237 and MB991238) 
to slip and cause personal injury.

•

AC006091 AB

MB991681

MB991682

Vibration of the impact wrench will cause 
the valve inside the strut to drop out. 

2. Use following special tools to secure the strut, and 

then remove the self-locking nut.

• Wrench (MB991681)

• Socket (MB991682)

<<B>> FRONT SUSPENSION STRUT 
REMOVAL

WARNING

Wear goggles when drilling to protect your 
eyes from flying metal debris.

AC001087

The gas must be discharged from the front suspen-
sion strut assembly before discarding it. Place the 
strut horizontally with its piston rod extended. Then 
drill a hole of approximately 3 mm in diameter at the 
location shown in the illustration and discharge the 
gas.