Mitsubishi Evolution X. Manual — part 877
POWER STEERING GEAR BOX AND LINKAGE
TSB Revision
POWER STEERING
37-31
POWER STEERING GEAR BOX AND LINKAGE
REMOVAL AND INSTALLATION
M1372010901285
CAUTION
• Before removing the steering wheel assembly and driver's air bag module, always refer to GROUP
52B
− Service Precautions
and Air bag Module and Clock Spring
. Also, posi-
tion the front wheels in a straight ahead direction. If you fail to do this, clock spring for SRS may
get damage, making the SRS (air bag) inoperative, and it may cause a serious injury to the driver.
• *: 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.
• After installation, perform a calibration for the ASC-ECU to learn the steering wheel sensor neutral
point. (Refer to GROUP 35C
− On-vehicle Service, Steering Wheel Sensor Calibration
).
Pre-removal Operation
• Power steering fluid draining (Refer to
• Steering wheel and air bag module assembly removal
(Refer to
• Steering shaft cover removal (Refer to
).
• Engine room under cover front (A, B) and engine room
side cover removal (Refer to GROUP 51
− Under Cover
• Lower arm removal (Refer to GROUP 33 − Lower Arm
• Center member and front roll stopper assembly removal
(Refer to GROUP 32
− Engine Roll Stopper and Center
Member
Post-installation Operation
• Center member and front roll stopper assembly installa-
tion (Refer to GROUP 32
− Engine Roll Stopper and Cen-
).
• Lower arm installation (Refer to GROUP 33 − Lower Arm
• Engine room under cover front (A, B) and engine room
side cover installation (Refer to GROUP 51
− Under Cover
• Steering shaft cover removal (Refer to
).
• Steering wheel and air bag module assembly installation
(Refer to
• Using your fingers, press the dust cover of joints to check
for a crack or damage.
• Power steering fluid filling (Refer to
• Air bleeding of power steering fluid (Refer to
).
• Steering wheel at straight-ahead position check
AC708302AB
4
57 ± 7 N·m
42 ± 5 ft-lb
3
10
8
11
6
2
N
N
12
15
13
5.0 ± 2.0 N·m
45 ± 17 in-lb
20 ± 5 N·m
15 ± 3 ft-lb
5
7
14
9
9
1
50 ± 5 N·m
37 ± 4 ft-lb
70 ± 10 N·m
52 ± 7 ft-lb
40 ± 8 N·m
30 ± 5 ft-lb
110 ± 11 N·m
81 ± 8 ft-lb
28 ± 4 N·m
21 ± 3 ft-lb
110 ± 11 N·m
81 ± 8 ft-lb
28 ± 4 N·m
21 ± 3 ft-lb
53 ± 8 N·m
39 ± 6 ft-lb
Removal steps
>>
B
1.
Steering column bolt (steering
column shaft assembly and
steering gear and linkage
connection)
<<
A
>>
2.
steering column shaft
assembly and steering gear
and linkage connection
<<
B
>>
3.
Self-lock nut (Tie-rod end and
knuckle connection)
4.
Eye bolt
5.
Pressure hose connection
6.
Gasket
7.
Return hose connection
8.
Engine rear roll stopper
bracket connecting bolt
9.
Front axle crossmember stay
<<
C
>>
10. Front axle cossmember
assembly
11. Engine rear roll stopper
12. Heat protector
>>
A
13. Joint cover grommet
14. Flunge bolt
15. Steering gear and linkage
assembly
POWER STEERING GEAR BOX AND LINKAGE
TSB Revision
POWER STEERING
37-32
Removal steps (Continued)
POWER STEERING GEAR BOX AND LINKAGE
TSB Revision
POWER STEERING
37-33
REMOVAL SERVICE POINTS
.
<<A>> DISCONNECTION OF STEERING COL-
UMN SHAFT ASSEMBLY AND STEERING GEAR
AND LINKAGE
AC700371 AD
Shaft B
Shaft A
Clip
Claw
Disconnect the steering gear from the steering column shaft
assembly while sliding shaft A to shaft B with the clip claw as
shown in the figure being pinched.
.
<<B>> SELF-LOCK NUT (TIE-ROD END AND
KNUCKLE CONNECTION) REMOVAL
CAUTION
• Loosen the self-locking nut (tie-rod end connection)
from the ball joint, but do not remove here. Use the spe-
cial tool.
•
AC208247AJ
Cord
Bolt
MB991897
or
MB992011
Nut
Ball joint
To prevent the special tool from dropping off, suspend
it with a rope.
1. Install special tool MB991897 or MB992011 as shown in the
figure.
AC104739AB
Parallel
Knob
Bolt
Correct
Wrong
2. Turn the bolt and knob to make the special tool jaws parallel,
then hand-tighten the bolt. After tightening, check that the
jaws are still parallel.
NOTE: To adjust the special tool jaws to be parallel, set the
orientation of the knob as shown in the figure.
3. Unscrew the bolt to disconnect the ball joint.
.
POWER STEERING GEAR BOX AND LINKAGE
TSB Revision
POWER STEERING
37-34
<<C>> FRONT SUSPENSION CROSSMEMBER
REMOVAL
AC609888
Piece of wood
Transmission jack
AB
1. Jack up and support the crossmember, and remove it.
2. Check the hoses and harnesses for roughness, and then
remove the front suspension crossmember with the rear roll
stopper and the steering gear and linkage installed.
INSTALLATION SERVICE POINTS
.
>>A<< JOINT COVER GROMMET INSTALLATION
AC609889 AB
Steering joint
cover assembly
Joint cover
grommet
Steering gear
Protrusion part
Install by aligning the marks of joint cover grommet and steer-
ing gear and linkage as shown in the figure.
.
>>B<< Steering column bolt (connection of
steering column shaft assembly and steering
gear and linkage) installation
AC700698 AC
Yoke steering column
assembly
Bolt hole
(Tapped hole)
Bolt hole
(No tapped hole)
Steering column bolt
Clip
Claw
Steering
column bolt
Shaft B
Shaft A
1. While sliding shaft A from shaft B with the clip claw as
shown in the figure being pinched, connect the steering
column shaft assembly and the steering gear and linkage.
2. Insert the steering column bolt from the no tapped bolt hole,
and tighten it to the specified torque.
Tightening torque : 20
± 5 N⋅ m ( 15 ± 3 ft-lb)
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