Mitsubishi Montero (2004+). Manual — part 1138
UPPER ARM ASSEMBLY
TSB Revision
REAR SUSPENSION
34-11
UPPER ARM ASSEMBLY
REMOVAL AND INSTALLATION
M1341003600227
Required Special Tool:
• MB991897: Ball Joint Remover
• MB990799: Ball Joint Dust Cover Installer
Pre-removal Operations
• Brake Fluid Draining
Post-installation Operations
• Press the dust cover with your finger to check that there
are no cracks or damage in the dust cover.
• Brake fluid refilling and air bleeding (Refer to GROUP
35A, On-vehicle Service
• Wheel Alignment Check and Adjustment (Refer to
).
ACX00735
15
± 2 N
·
m
11
± 2 ft-lb
167
± 10 N
·
m
124
± 7 ft-lb
104
± 14 N
·
m
77
± 10 ft-lb
98
± 12 N
·
m
72
± 9 ft-lb
1
8
2
9
4
10
7
6
3
8
2
5
10
AB
167
± 10 N
·
m
124
± 7 ft-lb
150
± 30 N
·
m
111
± 22 ft-lb
REMOVAL STEPS
1. BRAKE PIPE CONNECTION
2. CLIP
3. REAR WHEEL SPEED SENSOR
AND UPPER ARM ASSEMBLY
CONNECTION.
4. BUMP STOPPER
5. STABILIZER LINK AND UPPER ARM
ASSEMBLY CONNECTION.
6. COTTER PIN
<<A>> >>B<<
7. UPPER ARM BALL JOINT AND
KNUCKLE CONNECTION
<<B>> >>A<<
8. UPPER ARM ASSEMBLY AND
REAR FRAME CONNECTION
9. UPPER ARM
10. UPPER ARM BALL JOINT
REMOVAL STEPS (Continued)
UPPER ARM ASSEMBLY
TSB Revision
REAR SUSPENSION
34-12
REMOVAL SERVICE POINTS
.
<<A>> UPPER ARM BALL JOINT AND KNUCKLE 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>> UPPER ARM ASSEMBLY AND REAR FRAME
DISCONNECTION
Disconnect the connection of the DOJ assembly and the com-
panion shaft assembly.
AC106820 AB
CORD
BOLT
MB991897
NUT
BALL JOINT
AC106821
KNOB
PARALLEL
BOLT
GOOD
BAD
AB
ACX00736AB
COMPANION
SHAFT
ASSEMBLY
DOJ ASSEMBLY
UPPER ARM ASSEMBLY
TSB Revision
REAR SUSPENSION
34-13
INSTALLATION SERVICE POINT
.
>>A<< UPPER ARM ASSEMBLY FROM REAR FRAME
CONNECTION
After installing the upper arm mounting bolt, tighten the con-
necting bolt of the DOJ assembly and the companion shaft
assembly to the specified torque 113
± 14 N⋅m (84 ± 10 ft-lb).
.
>>B<< UPPER ARM BALL JOINT AND KNUCKLE
CONNECTION
If the upper arm ball joint is disengaged from the knuckle,
always renew the upper arm ball joint dust cover and retainer
by following the procedure below.
1. Remove the dust cover.
CAUTION
Be careful not to damage the ball joint stud.
2. Use a flat-tipped screwdriver to remove the retainer.
3. Apply multi-purpose grease evenly around the ball joint stud.
Standard value: 8 g (0.3 oz)
ACX00736AB
COMPANION
SHAFT
ASSEMBLY
DOJ ASSEMBLY
AC306269AC
RETAINER
STUD
AC306273AC
STUD
UPPER ARM ASSEMBLY
TSB Revision
REAR SUSPENSION
34-14
4. Apply multi-purpose grease to the new retainer, and
assemble it to the new dust cover.
CAUTION
Total grease amount (grease amount used in step 3 and
this step) should be 22
± 1 g (0.8 ± 0.04 oz).
5. Fill multi-purpose grease inside the dust cover as shown.
Standard value: 14
± 1 g (0.5 ± 0.04 oz)
6. Apply multi-purpose grease to the dust cover lip.
7. Tape the stud threads to avoid damage.
CAUTION
Ensure grease does not come into contact with the ball
joint threads and tapers. Wipe off the grease if contami-
nated.
8. Use special tool MB990799 to drive the dust cover into the
position shown.
9. Secure the dust cover with the clip ring.
10.Engage the upper arm ball joint with the knuckle.
NOTE: The retainer is secured in a predetermined position
by tightening the ball joint nut to the specified torque.
INSPECTION
M1341015500119
• Check the bushing for wear and deterioration.
• Check the upper arm for bending or damage.
• Check all bolts for condition and straightness.
UPPER ARM BALL JOINT TURNING TORQUE
CHECK
Required Special Tool:
• MB990326: Preload Socket
1. After shaking the ball joint stud several times, install the nut
to the stud and use special tool MB990326 to measure the
turning torque of the ball joint.
Standard value: 1.5
− 7.9 N⋅m (13 − 70 in-lb)
2. If the measured value exceeds the standard value, replace
the upper arm ball joint assembly.
3. If the measured value is lower than the standard value,
check that the upper arm ball joint turns smoothly without
excessive play. If so, it is possible to use that ball joint.
AC306270
RETAINER
DUST COVER
AC
AC306271
33 mm
(1.3 in)
OR MORE
AC
AC306272
DUST COVER
AC
MB990799
ACX00716
MB990326
AB
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