Mitsubishi Montero (2002-2004). Manual — part 420
LOWER ARM
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FRONT SUSPENSION
33A-15
LOWER ARM
REMOVAL AND INSTALLATION
M1332001500129
CAUTION
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.
Required Special Tool:
• MB991897: Ball Joint Remover
Pre-removal Operations
• Drive Shaft Removal (Refer to GROUP 26, Drive Shaft
Post-installation Operations
• Check the dust cover for cracks or damage by pushing it
with your finger.
• Drive Shaft Installation (Refer to GROUP 26, Drive Shaft
• Wheel Alignment Check and Adjustment (Refer to
ACX00724AB
123
±
14 N
·
m *
91
±
10 ft-lb *
108
±
10 N
·
m
80
±
7 ft-lb
147
±
29 N
·
m
109
±
21 ft-lb
162
±
14 N
·
m *
119
±
11 ft-lb *
25
±
4 N
·
m
18
±
3 ft-lb
123
±
14 N
·
m *
91
±
10 ft-lb *
95
±
11 N
·
m
70
±
8 ft-lb
11
9
5
3
2
1
6
4
7
8
10
1
5
39
±
4 N
·
m
29
±
3 ft-lb
N
N
REMOVAL STEPS
1. COTTER PIN
<<A>>
2. LOWER ARM BALL JOINT AND
KNUCKLE ASSEMBLY
CONNECTION
<<A>>
3. TIE ROD END AND KNUCKLE
ASSEMBLY CONNECTION
4. UPPER ARM AND UPPER ARM
BALL JOINT CONNECTION
5. LOWER ARM BALL JOINT
6. HUB AND KNUCKLE ASSEMBLY
7. SHOCK ABSORBER AND LOWER
ARM ASSEMBLY CONNECTION
8. BUMP STOPPER
9. LOWER ARM ASSEMBLY AND
STABILIZER LINK CONNECTION
<<B>>
10. LOWER ARM MOUNTING BOLT
11. LOWER ARM ASSEMBLY
REMOVAL STEPS (Continued)
LOWER ARM
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FRONT SUSPENSION
33A-16
REMOVAL SERVICE POINTS
.
<<A>> TIE ROD END AND KNUCKLE ASSEMBLY/LOWER
ARM BALL JOINT AND KNUCKLE ASSEMBLY DISCON-
NECTION
CAUTION
• Do not remove the nut from ball joint. Loosen it and use
special tool MB991897 to avoid possible damage to ball
joint threads.
• Hang special tool MB991897 with a cord to prevent it
from falling.
1. Install special tool MB991897 as shown in the figure.
2. Turn the bolt and knob as necessary to make the jaws of
special tool MB991897 parallel, tighten the bolt by hand and
confirm that the jaws are still parallel.
NOTE: When adjusting the jaws in parallel, make sure the
knob is in the position shown in the figure.
3. Tighten the bolt with a wrench to disconnect the ball joint.
.
<<B>> LOWER ARM MOUNTING BOLT REMOVAL
After making the alignment mark on the bracket and eccentric
cam bolt, remove them.
INSPECTION
M1332002900056
• Check the bushing for wear and deterioration.
• Check the lower arm for bend or breakage.
• Check the lower arm for deterioration or damage.
• Check all bolts for condition and straightness.
.
AC106820 AB
CORD
BOLT
MB991897
NUT
BALL JOINT
AC106821
KNOB
PARALLEL
BOLT
GOOD
BAD
AB
ACX00725AB
ECCENTRIC
CAM BOLT
LOWER ARM
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FRONT SUSPENSION
33A-17
LOWER ARM BALL JOINT TURNING TORQUE CHECK
Required Special Tool:
• MB990326: Preload Socket
1. After shaking the ball joint stud several times, use special
tool MB990326 to measure the turning torque of the lower
ball joint.
Standard value: 1.0
− 6.9 N⋅m (9 − 61 in-lb)
2. If the measured value exceeds the standard value, replace
the lower arm ball joint.
3. If the measured value is lower than the standard value,
measure the lower arm ball joint end play with a dial
indicator.
4. If the end play exceeds a minimum scale of the dial indicator
[0.01 mm (0.0004 inch)], replace the lower arm ball joint.
.
LOWER ARM BALL JOINT DUST COVER CHECK
1. Press the dust cover with your finger to check that there are
no cracks or damage in the dust cover.
2. If the dust cover is cracked or damaged, replace the lower
arm ball joint assembly.
NOTE: If the dust cover is cracked or damaged, it is possible
that there may also be damage to the ball joint. If it is dam-
aged during service work, replace the dust cover.
BALL JOINT DUST COVER REPLACEMENT
M1332007800032
Required Special Tool:
• MB990799: Ball Joint Remover and Installer
CAUTION
Do not apply grease to the place (tapered section) where
the threaded section of the ball joint connects with the
knuckle. Wipe the grease off if it is applied in this area. To
prevent the grease from being applied to the ball joint con-
nection (taper) with knuckle, do not compress the dust
cover before installation.
If the dust cover is damaged accidentally during service work,
replace the dust cover as follows:
1. Remove the clip ring, and then remove the dust cover.
AC200959 AB
MB990326
AC005012
STABILIZER BAR
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FRONT SUSPENSION
33A-18
2. Apply multipurpose grease to the inside of the dust cover as
shown.
3. Apply multipurpose grease to the shown parts inside the
dust cover and the ball joint stud.
4. Wrap plastic tape around the lower arm ball joint stud, and
then install the dust cover to the lower arm ball joint.
5. Using special tool MB990799, drive the dust cover into the
position shown in the illustration.
6. Press the dust cover with your finger to check that there are
no cracks or damage in the dust cover.
STABILIZER BAR
REMOVAL AND INSTALLATION
M1332004000178
ACX00726 AB
30 mm
(1.18 in)
OR MORE
ACX00727 AB
MB990799
DUST
COVER
Pre-removal Operations
• Under Cover Removal
Pre-installation Operation
• Press the dust cover with your finger to check that there
are no cracks or damage in the dust cover.
• Under Cover Installation
ACX00728 AB
44
±
10 N
·
m
33
±
7 ft-lb
4
2
3
1
1
108
±
10 N
·
m
80
±
7 ft-lb
108
±
10 N
·
m
80
±
7 ft-lb
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