Mitsubishi Grandis. Manual — part 984
POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING
37-26
LUBRICATION AND SEALING POINTS
DISASSEMBLY SERVICE POINTS
<<A>> RACK SUPPORT COVER
REMOVAL
AC313223AB
Grease: Silicone grease
Fluid:
ATF DXRON III or
DEXRON II
Grease: Repair kit grease
Fluid:
ATF DXRON III or
DEXRON II
Sealant:
3M ATD Part No. 8661, 8663
or equivalent
Grease:
Multipurpose grease
SAE J310, NLGI No.2
or equivalent
Fluid:
ATF DXRON III or
DEXRON II
Grease: Repair kit grease
Fluid:
ATF DXRON III or DEXRON II
POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING
37-27
Use special tool MB991621 (rack support cover
wrench) to remove the rack support cover.
<<B>> CIRCLIP REMOVAL
CAUTION
If the rack stopper is first turned anticlockwise,
the circlip will get caught in the slot in the
housing and the rack stopper will not turn.
1. Turn the rack stopper clockwise until the end of
the circlip comes out of the slot in the rack
housing.
2. Turn the rack stopper anticlockwise to remove the
circlip.
<<C>> RACK STOPPER/RACK
BUSHING/OIL SEAL/O-RING/RACK
ASSEMBLY REMOVAL
1. Pull out the rack slowly. Take out the rack stopper
and the rack bushing at the same time.
CAUTION
Do not damage the oil seal press fitting surface.
2. Partially bend the oil seal and remove it from the
rack bushing.
<<D>> SEAL RING REMOVAL
CAUTION
When cutting the seal ring, be careful not to
damage the pinion and valve assembly or the
rack.
Cut the seal ring and remove it from the pinion and
valve assembly or the rack.
<<E>> OIL SEAL REMOVAL
CAUTION
Be careful not to damage the inner surface of the
rack cylinder of the gear housing.
Use a piece of pipe or similar tool to remove the oil
seal from the gear housing.
AC302679
MB991621
AC
76
ACX01146 AB
Circlip
Rack stopper
ACX01147 AB
ACX01148 AB
Rack bushing
AC100259
Oil seal
Pipe or similar tool
Gear housing
AB
POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING
37-28
<<F>> GEAR HOUSING MOUNTING
BUSHING REMOVAL
Use the following special tools to remove the gear
housing mount bushing.
• Installer cap (MD998812)
• Installer 100 (MD998813)
• Installer adopter (MD998822)
• Bearing installer (MD998368)
ASSEMBLY SERVICE POINTS
>>A<< GEAR HOUSING MOUNTING
BUSHING INSTALLATION
Use the following special tools to press-fit the gear
housing mount bushing.
• Camshaft oil seal installer (MD999569)
• Lower arm bushing arbor (MB990996)
>>B<< OIL SEAL INSTALLATION
1. Apply a coating of ATF DEXRON III or DEXRON II
to the both sides of the oil seal.
2. Using the following special tools, press the oil seal
into the rack housing.
• MB991197: Bar (long type)
• MB991199: Oil Seal Installer
>>C<< SEAL RING INSTALLATION
As the seal ring extends after installing, compress
the seal ring with special tool MB991317 (seal ring
installer) or your hand.
>>D<< RACK ASSEMBLY INSTALLATION
CAUTION
Do not close the vent hole in the rack with
grease.
1. Apply a coating of repair kit grease to the rack
teeth face.
2. Cover the teeth side of rack assembly with special
tool MB991213 (oil seal protector).
AC210913
AC302797
AC
MD998368
MD998812
MD998822
MD998813
AC210914
AC302798
AC
MB990996
MD999569
AC100260 AG
MB991197
MB991199
Gear housing
AC210916
AD
MB991317
Seal ring
Rack assembly
ACX01154 AB
Seal ring and O-ring
Vent hole
ACX01155
Oil seal
MB991213
AI
POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING
37-29
3. Apply ATF DEXRON III or DEXRON II to special
tool, and to the outer surface of the seal ring and
the O-ring.
4. Align the centre of the oil seal with the rack to
prevent the retainer spring from slipping. Slowly
insert the rack from power cylinder side.
>>E<< OIL SEAL/RACK BUSHING
INSTALLATION
1. Apply the specified fluid to the outside of the oil
seal and use special tool MB990927 (installer
adopter) to press-fit the oil seal into the bushing
end.
2. Apply ATF DEXRON III or DEXRON II to the oil
seal inner surface and the O-ring.
3. Wrap the rack end with plastic tape, and push the
rack bushing onto the rack.
>>F<< CIRCLIP INSTALLATION
CAUTION
Insert the circlip to the rack stopper hole while
turning the rack stopper clockwise.
Insert the circlip to the rack stopper hole through
cylinder hole. Turn the rack stopper clockwise and
insert the circlip firmly.
>>G<< RACK SUPPORT COVER/LOCK
NUT INSTALLATION
1. Position the rack at its centre.
2. Apply specified sealant to the threaded part of the
rack support cover.
Specified sealant:
3M ATD Part No.8661, 8663 or equivalent
3. Use special tool MB991621 (rack support cover
wrench) to tighten the rack support cover to 23
±2N⋅m.
4. Turn the rack support cover 30
° anticlockwise.
5. Use the special tool to hold the rack support
cover, and then tighten the lock nut to 59
± 10
N
⋅m.
ACX01156 AE
Oil seal
O-ring
MB990927
Rack
bushing
AC100261AC
Rack
Plastic tape
Rack bushing
ACX01158
Circlip
Slot
AB
Circlip
Slot
AC302770AC
MB991621
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