Mitsubishi Evolution X. Manual - part 859

STRUT ASSEMBLY

TSB Revision

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

TSB Revision

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

TSB Revision

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

TSB Revision

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.