Mitsubishi Lancer Evolution 7. Manual — part 299
33A-1
FRONT
SUSPENSION
CONTENTS
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Wheel Alignment Check and Adjustment
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FRONT SUSPENSION -
General Information
33A-2
GENERAL INFORMATION
The front suspension is a McPherson strut with
coil spring. The shock absorber is gas-filled
hydraulic double-acting type.
COIL SPRING
Item
RS <Vehicles with steel wheels>,
RS-II
RS <Vehicles with aluminium wheels>
Wire diameter × average
diameter × free length mm
14 × 155 × 281
14 × 155 × 275
CONSTRUCTION DIAGRAM
Stabilizer bar
Coil spring
Strut assembly
(shock absorber)
Crossmember
Lower arm
Strut insulator
Stabilizer link
Crossmember bar
<RS (with aluminium wheels), RS-II>
Lower arm bushing
(pillow ball bushing with rubber
)
FRONT SUSPENSION -
Service Specifications/Special Tools
33A-3
SERVICE SPECIFICATIONS
Items
Standard value
Toe-in
At the centre of tyre tread mm
0 ± 2
Toe-angle (per wheel)
0_00’ ± 05’
Toe-out angle on turns (inner wheel when outer wheel at 20_)
22_00’ ± 1_30’
Steering angle
Inner wheel
31_45’ ± 1_30’
Outer wheel (for reference)
27_15’
Camber (Selectable from 2 options)
-1_00’ ± 30’* or -2_00’ ± 30’*
Caster
3_55’ ± 30’*
Kingpin inclination
13_45’ ± 1_30’
Lower arm ball joint rotation starting torque N·m
0.5 - 3.4
Lower arm pillow ball bushing rotation starting torque N·m
0.5 - 3.0
NOTE
*: difference between right and left wheels: less than 30’
SPECIAL TOOLS
Tools
Number
Name
Use
B
A
A: MB991237
B: MB991238
A: Spring
compressor
body
B: Arm set
Coil spring compression
B
A
MB991680
A: MB991681
B: MB991682
Wrench set
A: Wrench
B: Socket
Strut assembly disassembly and reassembly
MB991006
Preload socket
Lower arm ball joint rotation starting torque
measurement
MB990326
Preload socket
Lower arm pillow ball bushing rotation starting
torque measurement
FRONT SUSPENSION -
Special Tools/On-vehicle Service
33A-4
Tools
Use
Name
Number
MB990800
Ball joint remover &
installer
Lower arm ball joint dust cover press-in
MB990651
Bar
Lower arm pillow ball bushing removal and
press-fitting
MB990816
Bushing remover &
installer base
MB991576
Base
MB990635,
MB991113
or
MB991406
Steering
linkage
puller
Tie rod end and knuckle disconnection
ON-VEHICLE SERVICE
WHEEL ALIGNMENT CHECK AND
ADJUSTMENT
Measure the wheel alignment with the vehicle parked on a
level surface.
The front suspension, steering system, and wheels should be
serviced to normal condition prior to measurement of wheel
alignment.
TOE-IN
Standard value:
At the centre of tyre tread 0 ± 2 mm
Toe angle (per wheel) 0_00’ ± 05’
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.
Clip
Lock nut
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