Mitsubishi Lancer Evolution 7. Manual — part 301
FRONT SUSPENSION -
Lower Arm Assembly
33A-9
LOWER ARM ASSEMBLY
REMOVAL AND INSTALLATION
Caution
1. If the vehicle is equipped with the Brembo disc brake, during maintenance, take care not to
contact the parts or tools to the caliper because the paint of caliper will be scratched. And
if there is brake fluid on the caliper, wipe out quickly.
2. *: To prevent bushings from breakage, the parts indicated by * should be temporarily tightened,
and then fully tightened with the vehicle on the ground in the unladen condition.
Post-installation Operation
D
Check the dust cover for cracks or damage by
pushing it with finger.
D
Wheel alignment check and adjustment
(Refer to P.33A-4.)
7
2
5
186 ± 10 N·m*
3
167 ± 9 N·m
5
1
3
4
108 ± 10 N·m
39 ± 5 N·m
39 ± 5 N·m
Removal steps
1. Stabilizer link nut
2. Lower arm and knuckle connection
A
A"
3. Lower arm and crossmember
connection
4. Stabilizer bracket
5. Lower arm assembly
FRONT SUSPENSION -
Lower Arm Assembly
33A-10
REMOVAL SERVICE POINT
A
A" LOWER ARM AND CROSSMEMBER
DISCONNECTION
Lift the transmission with a transmission jack, and then
withdraw the front mounting bolt on the left lower arm
assembly.
INSPECTION
LOWER ARM BALL JOINT ROTATION STARTING
TORQUE CHECK
1. After shaking the ball joint stud several times, use the
special tool to measure the rotation starting torque of
the lower arm ball joint.
Standard value: 0.5 - 3.4 N·m
2. When the measured value exceeds the standard value,
replace the lower arm assembly.
3. When the measured value is lower than the standard
value, check that the lower arm ball joint turns smoothly
without excessive play. If there is no excessive play, the
ball joint can be reused.
PILLOW BALL BUSHING ROTATION STARTING
TORQUE CHECK
1. Insert the bolt to the lower arm pillow ball bushing, in
the opposite direction, insert the washer then install the
nut. After rotating the inner sleeve (contained washer)
several times, measure the rotation starting torque of
the lower arm pillow ball bushing using special tool.
Standard value: 0.5 - 3.0 N·m
2. When the measured value exceeds the standard value,
replace the pillow ball bushing.
3. When the measured value is lower than the standard
value, check that the lower arm pillow ball bushing turns
smoothly without excessive play. If there is no excessive
play, the pillow ball bushing can be reused.
LOWER ARM BALL JOINT DUST COVER CHECK
1. Check the dust cover for cracks or damage by pushing
it with finger.
2. If the dust cover is cracked or damaged, replace the
lower arm assembly.
NOTE
If the dust cover is cracked or damaged, it is possible
that there may also be damage to the ball joint.
When it is damaged during service work, replace the
dust cover.
Wooden block
Transmission jack
Mounting Bolt
Pillow ball
bushing
MB991006
Pillow ball bushing
Ball joint
Ball joint
MB990326
FRONT SUSPENSION -
Lower Arm Assembly
33A-11
LOWER ARM BALL JOINT DUST COVER
REPLACEMENT
Only when the dust cover is damaged accidentally during
service work, replace the dust cover as follows:
1. Remove the dust cover.
2. Apply multipurpose grease to the lip and inside of the
dust cover.
3. Using the special tool, press the dust cover until it contacts
the lower arm assembly.
4. Press the dust cover with your finger to check that there
are no cracks or damage in the dust cover.
LOWER ARM PILLOW BALL BUSHING
REPLACEMENT
Replace the bushing as follows:
1. Use the special tools to drive out the bushing.
2. Set the bushing to the lower arm assembly in order to
the direction of bushing marking is upper, and of the
opening is the direction as shown in the illustration.
MB990800
Dust cover
Pillow ball bushing
Lower arm
assembly
MB990651
MB991576
MB991816
60_
Marking
FRONT SUSPENSION -
Lower Arm Assembly/Stabilizer Bar
33A-12
3. Use the special tools to press in the bushing until its
outer tube is flush with the lower arm assembly surface.
STABILIZER BAR
REMOVAL AND INSTALLATION
Caution
1. Before removing the steering wheel and air bag module assembly, refer to GROUP 52B - Service
Precautions and Air Bag Module and Clock Spring. Also, put the front wheels in straight-ahead
position. Failure to do so may damage the SRS clock spring and render the SRS air bag
inoperative, which results serious driver injury.
2. If the vehicle is equipped with the Brembo disc brake, during maintenance, take care not to
contact the parts or tools to the caliper because the paint of caliper will be scratched. And
if there is brake fluid on the caliper, wipe out quickly.
3. To prevent bushings from breakage, the parts indicated by * should be temporarily tightened,
and then fully tightened with the vehicle on the ground in the unladen condition.
Lower arm
assembly
MB990651
MB991576
MB991816
Outer tube
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