Mitsubishi Grandis. Manual — part 885
STRUT ASSEMBLY
FRONT SUSPENSION
33-7
DISASSEMBLY AND REASSEMBLY
M1332001300448
DISASSEMBLY SERVICE POINTS
<<A>> STRUT NUT (SELF-LOCKING NUT)
REMOVAL
CAUTION
• Install special tool arm set (MB991238) evenly,
and so that the maximum length will be
attained within the installation range.
• Do not use an impact wrench to tighten the
bolt of special tool spring compressor body
(MB991237), otherwise the special tool will
break.
1. Use following special tools to compress the coil
spring.
• Arm set (MB991795)
• Spring compressor (MB991237)
AC301981AC
75 ± 5 N·m
8
7
10
9
1
2
3
4
5
N
6
Disassembly steps
<<A>> >>C<<
1.
Strut nut (self-locking nut)
2.
Strut washer
3.
Strut insulator assembly
>>B<<
4.
Strut bearing
5.
Spring upper seat
6.
Spring upper pad
>>A<<
7.
Coil spring
8.
Spring lower pad
9.
Strut damper
<<B>>
10. Strut assembly
AC001085 AB
MB991238
MB991237
STRUT ASSEMBLY
FRONT SUSPENSION
33-8
CAUTION
Do not use an impact wrench to loosen the strut
nut (self-locking nut), otherwise the strut inner
piston rod locking nut will be loosened.
2. Use the following special tools to loose the strut
nut (self-locking nut), and then remove it.
• Wrench (MB991681)
• Socket (MB991682)
<<B>> STRUT ASSEMBLY DISPOSAL
WARNING
Wear goggles when drilling to protect your
eyes from flying metal debris.
The gas must be discharged from the strut assembly
before discarding it. Place the strut assembly
horizontally with its piston rod extended. Then drill a
hole of approximately 3 mm in diameter at the
location shown in the illustration and discharge the
gas.
REASSEMBLY SERVICE POINT
>>A<< COIL SPRING INSTALLATION
1. Make sure that the coil spring is mounted in the
spring lower pad.
2. Install the coil spring by aligning the coil spring
lower end with the strut spring seat.
>>B<< STRUT BEARING INSTALLATION
CAUTION
Install the strut bearing so as not to be damaged.
>>C<< STRUT NUT (SELF-LOCKING NUT)
INSTALLATION
1. Ensure that the bearing is seated correctly.
CAUTION
Do not use an impact wrench to tighten the bolt
of special tool spring compressor body
(MB991237), otherwise the special tool will break.
2. Install following special tools to the strut assembly
same as its removal.
• Spring compressor (MB991237)
• Arm set (MB991238)
3. While the coil spring is being compressed by the
special tools, temporarily tighten the strut nut
(self-locking nut).
4. Align the hole in the strut spring lower seat with
the hole in the spring upper seat.
AC302425
MB991681
MB991682
AD
AC207801
AC
AC303435AC
Coil spring
Strut spring
seat
Spring
lower pad
AC001085 AB
MB991238
MB991237
STRUT ASSEMBLY
FRONT SUSPENSION
33-9
NOTE:
Using a rod as shown facilitates the alignment.
5. Align lower end of the coil spring with the groove
in the spring lower seat, and then loosen the
special tools.
CAUTION
Do not use an impact wrench to tighten the strut
nut (self-locking nut), otherwise the strut inner
piston rod locking nut will be loosened.
6. Using the following special tools, tighten the strut
nut (self-locking nut) to 75
± 5 N⋅m.
• Wrench (MB991681)
• Socket (MB991682)
INSPECTION
M1332001400230
• Check the bearing for wear or rust.
• Check the rubber parts for damage or
deterioration.
• Check the spring for deformation, deterioration or
damage.
• Check the shock absorber for deformation.
AC303720 AC
Spring upper
seat
Rod
Strut spring
seat
AC302425
MB991681
MB991682
AD
LOWER ARM
FRONT SUSPENSION
33-10
LOWER ARM
REMOVAL AND INSTALLATION
M1332001600449
CAUTION
*
: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle on
the ground in an unladen condition.
INSPECTION
M1332001700349
• Check the bushing for wear and deterioration.
• Check the lower arm for bend or breakage.
• Check all bolts for condition and straightness.
LOWER ARM BALL JOINT STARTING
TORQUE CHECK
1. After shaking the ball joint stud several times, use
special tool preload socket (MB991006) to
measure the starting torque of the ball joint.
Standard value: 0
− 6.6 N⋅m
2. If the measured value is not within the standard
value, or if the ball joint is difficult to turn or does
not turn smoothly, replace the lower arm
assembly.
Post-installation Operation
• Check the dust cover for cracks or damage by pushing it
with your finger.
• Front Wheel Alignment Check and Adjustment (Refer to
.)
AC301982
AC207103
AC302428 AC
2
4
3
5
123 ± 12 N·m
5
4
123 ± 12 N·m
1
108 ± 10 N·m
Specified grease :
Multipurpose grease SAE J310,
NLGI No.2 or equivalent
Removal steps
1.
Lower arm nut (self-locking nut)
2.
Lower arm bolt
3.
Lower arm nut
4.
Lower arm bolt
5.
Lower arm assembly
AC001091 AB
MB991006
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