Mitsubishi Evolution X. Manual — part 859
STRUT ASSEMBLY
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FRONT SUSPENSION
33-11
INSTALLATION SERVICE POINTS
.
>>A<< KNUCKLE AND STRUT ASSEMBLY CON-
NECTION BOLT INSTALLATION
AC708457AC
Upper bolt
Mark position
Locate the knuckle and strut assembly upper connection bolt’s
marking position as shown in the figure and tighten it.
INSPECTION
M1332001200430
• Check for oil leaks from the strut assembly.
• Check the strut assembly for damage or deformation.
DISASSEMBLY AND REASSEMBLY
M1332001300932
AC707644 AB
1
3
4
7
8
6
2
61 ± 9 N·m
45 ± 7 ft-lb
5
Disassembly steps
1. Cap
<<
A
>>
>>
C
2. Strut nut (Self-locking nut)
3. Strut insulator assembly
>>
B
4. Upper spring seat
5. Bump rubber
6. Dust cover
>>
A
7. Coil spring
<<
B
>>
8. Strut assembly
Disassembly steps
STRUT ASSEMBLY
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FRONT SUSPENSION
33-12
DISASSEMBLY SERVICE POINTS
.
<<A>> STRUT NUT REMOVAL
AC105115 AC
MB991795
MB991793
1. Install the spring compressor (special tool: MB991793) to
attachment A (special tool: MB991795) as shown in the
figure.
AC105116
MB991794
AC
MB991830
MB991795
MB991793
2. Set the strut assembly to the following special tools.
• Spring compressor (MB991793)
• Attachment A (MB991795)
• Upper plate (MB991794)
• Fixture (MB991830)
NOTE: Use the bolts and nuts removed from the vehicle to
secure the strut assembly and tighten them lightly by hand.
3. After setting the strut assembly, operate the spring
compressor and compress the coil spring by approximately
5 mm.
CAUTION
The lock nut for the piston rod inside the strut may be
loose. Do not use the impact wrench to loosen the strut
nut.
AC707645
MB991681
MB991682
AB
4. Use the following special tools to loosen the strut nut.
• Wrench (MB991681)
• Socket (MB991682)
.
STRUT ASSEMBLY
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FRONT SUSPENSION
33-13
<<B>> STRUT ASSEMBLY DISPOSAL
CAUTION
Wear the protective glasses. Although the gas is harmless,
drilling chips may be blown out by the gas.
AC207801
AG
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.
REASSEMBLY SERVICE POINTS
.
>>A<< COIL SPRING INSTALLATION
AC707794AB
Coil spring
Spring seat of strut
Install the coil spring to align the bottom with the shape of the
strut spring seat.
.
>>B<< UPPER SPRING SEAT INSTALLATION
AC705716 AB
Upper spring seat
Marking
Inside of vehicle
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 INSTALLATION
1. Check that both of the coil spring ends align with the spring
seat groove correctly.
AC710603AB
Spring seat
of strut
Upper
spring seat
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.
AC105116
MB991794
AC
MB991830
MB991795
MB991793
3. While passing the strut piston rod through the hole of upper
insulator by hand, slowly compress the coil spring by the
following special tools.
• Spring compressor (MB991793)
• Attachment A (MB991795)
• Upper plate (MB991794)
• Fixture (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.
AC707645
MB991681
MB991682
AB
4. Use the following special tools to tighten the strut nut to the
specified torque.
• Wrench (MB991681)
• Socket (MB991682)
GREASE: Shell Retinax Grease CL0
Tightening torque : 61
± 9 N⋅ m (45 ± 7 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.
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