Mitsubishi Evolution X. Manual — part 860

LOWER ARM

TSB Revision

FRONT SUSPENSION

33-15

LOWER ARM

REMOVAL AND INSTALLATION

M1332001601174

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

P.33-16

.)

Post-installation Operation
• Engine room under cover (A, B, center) and engine room

side cover removal (Refer to GROUP 51

− Under Cover

P.51-16

.)

Post-installation Operation
• Engine room under cover (A, B, center) and engine room

side cover installation (Refer to GROUP 51

− Under Cover

P.51-16

.)

• 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

P.33-7

.)

AC708307AB

2

39 ± 5 N·m
29 ± 4 ft-lb

110 ± 11 N·m
81 ± 8 ft-lb

71 ± 10 N·m
53 ± 7 ft-lb

2

2

1, 2

2

2

Vehicle front side

1

Multipurpose grease SAE J310,
NLGI No.2 or equivalent

110 ± 11 N·m
81 ± 8 ft-lb

Removal steps

1. Stabilizer link bracket and

lower arm connection

2. Lower arm assembly

LOWER ARM

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FRONT SUSPENSION

33-16

LOWER ARM CHECK

M1332001700770

.

LOWER ARM BALL JOINT LOOSENESS CHECK

Refer to

P.33-8

.

.

LOWER ARM BALL JOINT ROTATIONAL
STARTING TORQUE

AC404846

MB991006

AB

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 the preload socket (special tool: MB991006).

Standard value: 3.4 N

⋅ m (29 in-lb)

2. If the measured value exceeds the standard value, replace

the lower arm assembly. (Refer to

P.33-15

.)

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

P.33-15

.)

.

LOWER ARM BALL JOINT DUST COVER CHECK

Refer to

P.33-8

.

LOWER ARM BALL JOINT DUST COVER
REPLACEMENT

M1332020000242

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

− 10.0 g, Lip: Adequate

amount

AC708466 AC

MB990800

Lower arm
ball joint
dust cover

Lower arm assembly

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.

STABILIZER BAR

TSB Revision

FRONT SUSPENSION

33-17

STABILIZER BAR

REMOVAL AND INSTALLATION

M1332001900666

AC704986 AB

31 ± 4 N·m
23 ± 3 ft-lb

1

3

5

6

4

39 ± 6 N·m
29 ± 4 ft-lb

7

Vehicle front side

2

39 ± 5 N·m
29 ± 4 ft-lb

39 ± 6 N·m
29 ± 4 ft-lb

Removal steps

1.

Stabilizer nut

2.

Stabilizer bar bracket

3.

Stabilizer nut

4.

Stabilizer link

•

Front axle crossmember
(Refer to GROUP 32

−

Crossmember

P.32-10

).

5.

Stabilizer bush bracket

>>A<<

6.

Stabilizer bushing

7.

Stabilizer bar

INSTALLATION SERVICE POINT

.

>>A<< STABILIZER BUSHING INSTALLATION

AC609899

AF

Stabilizer bushing

Front axle
crossmember

Stabilizer bush
bracket

Slit

Vehicle front side

Install the stabilizer bushing as shown in the figure.

Removal steps (Continued)

STABILIZER BAR

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FRONT SUSPENSION

33-18

STABILIZER LINK CHECK

M1332013100032

.

STABILIZER LINK BALL JOINT ROTATION
TORQUE CHECK

AC404845

MB990326

AC

1. Move the stabilizer link ball joint stud back and forth for

several times, install the stud with nut, and measure the
stabilizer link ball joint rotation torque using the preload
socket (special tool: MB990326).

Standard value:

Within 10 to 30

° C (50 to

86

° F)

0.2 to 2.0 N

⋅ m (1.7 to 17

in-lb)

Not within 10 to 30

° C

(50 to 86

° F)

0.2 to 5.0 N

⋅ m (1.7 to 44

in-lb)

2. If the measured value exceeds the standard value, replace

the stabilizer link. (Refer to

P.33-17

.)

3. When the measured value stays within the standard range, if

the stabilizer link ball joint has looseness or gritty feeling, it
is judged as unusable. Then, replace the stabilizer link.
(Refer to

P.33-17

.)

.

STABILIZER LINK BALL JOINT DUST COVER
CHECK

Refer to

P.33-8

.