Mitsubishi Lancer Evolution X. Manual — part 220
STRUT ASSEMBLY
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FRONT SUSPENSION
33-13
<<B>> STRUT DISPOSAL
CAUTION
Wear the protective glasses. Although the gas is harmless,
drilling chips may be blown out by the gas.
Before disposal of the strut, place the strut on the level surface
with the piston rod extended, and make a hole of approximately
3 mm in diameter at the point shown in the figure to discharge
the gas.
ASSEMBLY SERVICE POINTS
.
>>A<< COIL SPRING INSTALLATION
Install the coil spring to align the bottom with the shape of the
strut spring seat.
.
>>B<< UPPER SPRING SEAT INSTALLATION
Align the D-shaped hole with the D (cut-off) of the strut, and
install the marked part shown in the figure facing the inside of
the vehicle.
.
>>C<< STRUT NUT (JAM NUT) INSTALLATION
1. Check that both of the coil spring ends align with the spring
seat groove correctly.
AC207801
AG
AC707794AB
Coil spring
Spring seat of strut
AC705716 AB
Upper spring seat
Marking
Inside of vehicle
STRUT ASSEMBLY
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FRONT SUSPENSION
33-14
2. Align the strut spring seat hole with the upper spring seat
hole.
CAUTION
Be careful that the hand is not pinched by the coil spring
when aligning the piston rod with the hole of upper insula-
tor while compressing the coil spring.
3. While passing the strut piston rod through the hole of upper
insulator by hand slowly compress the coil spring by special
tool: MB991793, MB991795, MB991794 and MB991830.
CAUTION
The lock nut for the piston rod inside the strut may be
loose. Do not use the impact wrench to tighten the strut
nut (jam nut).
4. Use special tools MB991681 and MB991682 to tighten the
strut nut (jam nut) to the specified torque:
GREASE: Shell Retinax Grease CL0
Tightening torque : 61 ± 9 N⋅ m (45 ± 6 ft-lb)
INSPECTION
M1332001400315
• Check the bearing for wear or rust.
• Check the rubber parts for damage or deterioration.
• Check the spring for deformation, deterioration or damage.
• Check the shock absorber for deformation.
AC710603AB
Spring seat
of strut
Upper
spring seat
AC105116
MB991794
AC
MB991830
MB991795
MB991793
AC707645
MB991681
MB991682
AG
Strut nut
(Jam nut)
LOWER ARM
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FRONT SUSPENSION
33-15
LOWER ARM
REMOVAL AND INSTALLATION
M1332001601516
CAUTION
•
*1
: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle
standing on the ground and the curb weight condition.
•
*2
: Indicates the bolts and nuts with friction coefficient stabilizer. In removal, ensure there is no
damage, clean dust and soiling from bearing and thread surfaces, and tighten them to the speci-
fied torque.
• Do not damage the lower arm ball joint dust cover during maintenance. If it is damaged, replace
the lower arm ball joint dust cover.(Refer to
.)
Post-installation Operation
• Engine Room Under Cover (A, B, Center) and Engine
Room Side Cover Removal (Refer to GROUP 51 − Under
Cover
.)
Post-installation Operation
• Engine Room Under Cover (A, B, Center) and Engine
Room Side Cover Installation (Refer to GROUP 51 −
Under Cover
• Using your Fingers, Press the Lower Arm Ball Joint Dust
Cover to Check for a Crack or Damage.
• Wheel Alignment Check and Adjustment (Refer to
.)
AC708307AE
39 ± 5 N·m
29 ± 4 ft-lb
110 ± 11 N·m
81 ± 8 ft-lb
71 ± 10 N·m
52 ± 7 ft-lb
2
Vehicle front side
1
Multipurpose grease SAE J310,
NLGI No.2 or equivalent
110 ± 11 N·m
81 ± 8 ft-lb
*2
*2
*2
*2
*1,2
*1,2
2
Removal steps
1. Stabilizer link bracket and
lower arm connection
2. Lower arm assembly
LOWER ARM
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FRONT SUSPENSION
33-16
INSPECTION
M1332001701018
• Check the bushing for wear and deterioration.
• Check the lower arm for bend or breakage.
• Check all bolts for condition and straightness.
.
LOWER ARM BALL JOINT ROTATIONAL
STARTING TORQUE
Required Special Tool:
• MB991006: Preload socket
1. Move the lower arm ball joint stud back and forth for several
times, and measure the lower arm ball joint rotation starting
torque using special tool MB991006.
Standard value: 1.5 − 3.4 N⋅ m (13 − 29 in-lb)
2. If the measured value exceeds the standard value, replace
the lower arm assembly. (Refer to
.)
3. If the measured value is within the standard value, check
that the lower arm ball joint has no looseness or gritty
feeling. If there is looseness or gritty feeling, replace the
lower arm assembly. (Refer to
.
LOWER ARM BALL JOINT DUST COVER CHECK
Refer to
.
LOWER ARM BALL JOINT DUST COVER
REPLACEMENT
M1332020000338
Only when the dust cover is damaged accidentally during main-
tenance, replace the dust cover as follows.
1. Remove the lower arm ball joint dust cover.
2. Fill and apply the specified grease into the inside and lip of
the lower arm ball joint dust cover.
Specified grease:
Multipurpose grease SAE J310, NLGI No. 2 or equiva-
lent
Application amount:
Inside the dust cover: 9.0 ± 1.0 g (0.32 ± 0.04 oz), Lip:
As required
3. Use the ball joint remover and installer (special tool:
MB990800) to drive in the dust cover to the point where it
contacts the lower arm assembly.
4. Using your fingers, press the lower arm ball joint dust cover
to check for a crack or damage.
AC404846
MB991006
AB
AC708466 AD
MB990800
Lower arm
ball joint
dust cover
Lower arm assembly
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