Mitsubishi Lancer Evolution X. Manual — part 218
FRONT SUSPENSION DIAGNOSIS
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FRONT SUSPENSION
33-5
INSPECTION PROCEDURE 2: Excessive Body Rolling
DIAGNOSIS
STEP 1. Check for broken or deteriorated
stabilizer bar.
Q: Is the stabilizer bar in good condition?
YES :
Go to Step 2.
NO :
Replace it (Refer to
), then go to
Step 3.
STEP 2. Check the strut assembly for damage.
Q: Is the strut assembly in good condition?
YES :
Go to Step 3.
NO :
), then go to
Step 3.
STEP 3. Retest the system.
Q: Is the malfunction eliminated?
YES :
The procedure is complete.
NO :
Return to Step 1.
INSPECTION PROCEDURE 3: Poor Ride
DIAGNOSIS
STEP 1. Check for improper tire inflation
pressure.
Refer to GROUP 31, On-vehicle Service − Tire Infla-
tion Pressure Check
.
Q: Is the tire inflation correct?
YES :
Go to Step 2.
NO :
Adjust it, then go to Step 4.
STEP 2. Check for broken or deteriorated coil
spring(s).
Q: Are the coil spring(s) broken or deteriorated?
YES :
Replace the coil spring(s) (Refer to
), then go to Step 4.
NO :
Go to Step 3.
STEP 3. Check for strut assembly damage.
Q: Is the strut assembly damaged?
YES :
Replace it (Refer to
), then go to
Step 4.
NO :
Go to Step 4.
STEP 4. Retest the system.
Q: Is the malfunction eliminated?
YES :
The procedure is complete.
NO :
Return to Step 1.
INSPECTION PROCEDURE 4: Unequal Ride Height
DIAGNOSIS
STEP 1. Check for broken or deteriorated coil
spring(s).
Q: Is the coil spring(s) broken or deteriorated?
YES :
Replace it (Refer to
), then go to
Step 2.
NO :
Go to Step 2.
STEP 2. Retest the system.
Q: Is the malfunction eliminated?
YES :
The procedure is complete.
NO :
Return to Step 1.
FRONT SUSPENSION DIAGNOSIS
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FRONT SUSPENSION
33-6
INSPECTION PROCEDURE 5: Noise
DIAGNOSIS
STEP 1. Check for lack of lubrication.
Q: Is lubrication inadequate?
YES :
Lubricate it, then go to Step 5.
NO :
Go to Step 2.
STEP 2. Check the tightened parts for looseness
as well as the bushings for wear.
Q: Are the tightened parts and bushings in good
condition?
YES :
Go to Step 3.
NO :
), then go to Step
5.
STEP 3. Check for broken coil spring.
Q: Is the coil spring broken?
YES :
Replace it (Refer to
), then go to
Step 5 .
NO :
Go to Step 4.
STEP 4. Check for strut assembly damage.
Q: Is the strut assembly damaged?
YES :
Replace it (Refer to
), then go to
Step 5 .
NO :
Go to Step 5.
STEP 5. Retest the system.
Q: Is the malfunction eliminated?
YES :
The procedure is complete.
NO :
Return to Step 1.
SPECIAL TOOLS
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FRONT SUSPENSION
33-7
SPECIAL TOOLS
M1332000601041
Tool
Tool number and name
Supersession
Application
MB991004
Wheel alignment gauge
attachment
MB991004-01 or General
service tool
Wheel alignment
measurement
MB991832
a. MB991793
b. MB991795
c. MB991794
d. MB991829
e. MB991831
f. MB991830
Spring compressor set
a. Spring compressor
b. Attachment A
c. Upper plate
d. Arm bracket
e. Spacer
f. Fixture
General service tool
Front coil spring
compression
NOTE: The coil spring can
not be compressed by
following conventional
special tools.
.
•
MB991237
Spring compressor
body
•
MB991238
Arm set
MB991680
a. MB991681
b. MB991682
Wrench set
a. Wrench
b. Socket
−
Strut assembly
disassembly and
reassembly
MB991006
Preload socket
MB990228-01
Lower arm ball joint
breakaway torque check
MB990800
Ball joint dust cover
installer
MB990800-01or General
service tool
Lower arm ball joint dust
cover installation
MB990326
Preload socket
General service tool
Ball joint turning torque
check
MB991004
MB991832
a
b
c
d
e
f
MB991680
A
B
a
b
MB991006
MB990800
MB990326
ON-VEHICLE SERVICE
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FRONT SUSPENSION
33-8
ON-VEHICLE SERVICE
FRONT WHEEL ALIGNMENT CHECK AND
ADJUSTMENT
M1332012400397
CAUTION
After performing the front wheel alignment, perform a cali-
bration for the ASC-ECU to learn the steering wheel sensor
neutral point. (Refer to GROUP 35C − On-vehicle Service −
Steering Wheel Sensor Calibration
1. Before the wheel alignment measurement, maintain the
front suspension, the steering system, the wheel and tires in
good condition.
2. Park the vehicle on a level surface, and position the front
wheel in the straight-ahead position to measure the wheel
alignment.
TOE-IN
Standard value: 0 ± 2 mm (0 ± 0.08 inch)
1. Loosen the jam nut with the tie-rod clip removed, and then
perform the adjustment by turning the tie-rod left/right at the
same degree in the opposite direction.
NOTE: The toe moves to the outside by turning the tie-rod
left to the forward direction, and right to the reverse direc-
tion.
2. After adjustment, check that the steering angle is within the
standard range using the turning radius gauge. (Refer to
GROUP 37 − On-vehicle Service
CAMBER, CASTER AND KINGPIN INCLINATION
.
CAMBER
Standard value:
− 1° 00' ± 0° 30' (Left/right deviation within 0° 30’)
.
CASTER
Standard value:
4° 25' ± 0° 30' (Left/right deviation within 0° 30’)
Kingpin inclination 13° 50’ ± 1° 30’
NOTE: Camber and caster are preset at the factory and can-
not be adjusted.
AC705438 AC
Clip
Jam nut
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