Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 555

LOWER ARM

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FRONT SUSPENSION

33A-13

LO W ER A R M

REMOVAL AND INSTALLATION

M1332001600052

CAUTION

*

: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle on

the ground in an unladen condition.

Required Special Tools:

•

MB990799: Ball Joint Remover and Installer

•

MB991006: Preload Socket

•

MB991007: Bearing Installer

•

MB991446: Bushing Remover and Installer
Spacer

INSTALLATION SERVICE POINT

>>A<< LOWER ARM CLAMP INSTALLATION
1. The arrow mark on the clamp should point as shown.

Post-installation Operation

•

Check the Dust Cover for Cracks or Damage by Pushing
it with Your Finger.

•

Wheel Alignment Check and Adjustment (Refer to

P.33A-

6

.)

AC004022 AB

108 ± 10 N·m
80 ± 7 ft-lb

108 ± 10 N·m*
80 ± 7 ft-lb*

N

N

1

2

3

4

4

99 ± 11 N·m
73 ± 8 ft-lb

81 ± 12 N·m
60 ± 9 ft-lb

REMOVAL STEPS

1.

LOWER ARM AND KNUCKLE
CONNECTION

2.

LOWER ARM MOUNTING BOLT

>>A<<

3.

LOWER ARM CLAMP

4.

LOWER ARM

AC003625AB

CLAMP

LOWER ARM

LOWER ARM

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FRONT SUSPENSION

33A-14

2. Install the clamp into the shaft at the angle shown in the

illustration.

INSPECTION

M1332001700060

•

Check the bushing for wear and deterioration.

•

Check the lower arm for bend or breakage.

•

Check the lower arm clamp for deterioration or damage.

•

Check all bolts for condition and straightness.

BALL JOINT BREAKAWAY TORQUE CHECK
1. After shaking the ball joint stud several times, use special

tool MB991006 to measure the breakaway torque of the ball
joint.

Standard value: 2.5

−

6.1 N

⋅

m (22 - 54 in-lb)

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

the lower arm.

3. If the measured value is lower than the standard value,

verify that the ball joint turns smoothly without excessive
play. If so, the ball joint is reusable.

LOWER ARM BALL JOINT DUST COVER CHECK
1. Check the dust cover for cracks or damage by pushing it

with your finger.

2. If the dust cover is cracked or damaged, replace the lower

arm.

NOTE: Cracks or damage to the dust cover may cause
damage to the ball joint. When it is damaged during service
work, replace the dust cover.

BALL JOINT DUST COVER REPLACEMENT
If 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.

AC003624

HORIZONTAL
LINE

OUTSIDE OF VEHICLE

CENTER LINE OF BOLT
INSTALLATION HOLE

6.0 ± 3.5 mm
(0.24 ± 0.14 in)

AB

AC001091 AB

MB991006

LOWER ARM

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FRONT SUSPENSION

33A-15

3. Using special tool MB990799, drive in the dust cover until it

is fully seated.

4. Using special tool MB991007, drive in the dust cover plate

until it contacts the projection of the ball joint.

5. Check the dust cover for cracks or damage by pushing it

with your finger.

LOWER ARM REAR BUSHING REPLACEMENT
1. Position the lower arm bushing so that its arrow mark point

the shown direction.

2. Use the special tool MB991446 to press in the bushing to

the shown dimension.

M1332008200077

AC001092

MB990799

DUST
COVER

SNAP RING

AB

AC001093AB

MB991007

DUST COVER

PLATE

PROJECTION

AC003631

AC003632AB

CLAMP

BUSHING

MB991446

3.0 ± 0.5 mm
(0.12 ± 0.02 in)

LOWER ARM

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FRONT SUSPENSION

33A-16

BALL JOINT DUST COVER REPLACEMENT
If 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 special tool MB990799, drive in the dust cover until it

is fully seated.

4. Using special tool MB991007, drive in the dust cover plate

until it contacts the projection of the ball joint.

5. Check the dust cover for cracks or damage by pushing it

with your finger.

M1332008100070

LOWER ARM REAR BUSHING REPLACEMENT
1. Position the lower arm bushing so that its arrow mark point

the shown direction.

2. Use the special tool MB991446 to press in the bushing to

the shown dimension.

AC001092

MB990799

DUST
COVER

SNAP RING

AB

AC001093AB

MB991007

DUST COVER

PLATE

PROJECTION

AC003631

AC003632AB

CLAMP

BUSHING

MB991446

3.0 ± 0.5 mm
(0.12 ± 0.02 in)