Page 261 of 800

POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING37-31
•Bar (long type) (MB991197)
•Oil seal installer (MB991199)
•Oil seal and bearing installer (MB991202)
>>B<< NEEDLE BEARING/LOWER
BEARING INSTALLATION
1. Apply ATF DEXRON III or DEXRON II to housing and bearing press fitting surface.
CAUTION
Press-fit straight. The valve housing is alumin-
ium, and may become deformed if press-fit on an
angle.
ACX01153
Needle bearing
MB990938
MB991202 MB991202
Lower
bearing
AE
MB990938
2. Press fit needle bearing/lower bearing with the
following special tools.
•Bar (snap-in type) (MB990938)
•Oil seal and bearing installer (MB991202)
>>C<< RACK ASSEMBLY INSTALLATION
CAUTION
Do not close the vent hole in the rack with
grease.
ACX01154 AB
Seal ring and O-ring Vent hole
1. Apply a coating of repair kit grease to the rack
teeth face.
ACX01155
MB991212
MB991213
AJ
Oil seal
2. Cover rack serrations with the following special tool.
•Oil seal protector (MB991212)
•Oil seal protector (MB991213)
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.
>>D<< OIL SEAL/RACK BUSHING
INSTALLATION
ACX01156 AE
Oil seal
O-ring
MB990927
Rack
bushing
1. Apply ATF DEXRON III or DEXRON II to the outer surface of the oil seal. Using special tool installer
adapter (MB990927), press in the oil seal until it is
flush with the bushing end face.
AC100261 AC
Rack
Plastic tape
Rack bushing
2. Apply ATF DEXRON III or DEXRON II to the oil seal inner surface and the O-ring.
Page 262 of 800

POWER STEERING GEAR BOX AND LINKAGE
POWER STEERING37-32
3. Wrap the rack end with plastic tape, and push the rack bushing onto the rack.
>>E<< CIRCLIP INSTALLATION
CAUTION
Insert the circlip to the rack stopper hole while
turning the rack stopper clockwise.
ACX01158
Circlip
Slot
AB
Circlip
Slot
Insert the circlip to the rack stopper hole through cyl-
inder hole. Turn the rack stopper clockwise and
insert the circlip firmly.
>>F<< UPPER OIL SEAL/UPPER
BEARING INSTALLATION
ACX01159AC
MB990938
MB991203
Oil seal
MB991203 Bearing
MB990938
Apply a coating of ATF DEXRON III or DEXRON II to
the outside of the upper oil seal/upper bearing. Using
the following special tools, press the upper oil
seal/upper bearing into the valve housing.
•Bar (snap-in type) (MB990938)
•Oil seal and bearing Installer (MB991203)
>>G<< SEAL RINGS INSTALLATION
ACX01160
AB
MB991317
Because the seal rings expand after installation,
tighten after installing by using special tool seal ring
installer (MB991317) to compress the rings, or press
down by hand.
>>H<< LOWER OIL SEAL INSTALLATION
ACX01161
Housing
AC
Oil
seal
Approximately
1 mm
MB990941
CAUTION
To eliminate a seal malfunction at the valve hous-
ing alignment surface, the upper surface of the
oil seal should project outward approximately 1
mm from the housing edge surface.
Using special tool torque tube bearing installer
(MB990941), press the oil seal into the valve hous
-
ing.
>>I<< END PLUG INSTALLATION
ACX01162
AB
End plug End plug
1. Apply specified sealant to the threaded part of the
end plug.
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POWER STEERING OIL PUMP ASSEMBLY
POWER STEERING37-39
REASSEMBLY SERVICE POINTS
>>A<< O-RING INSTALLATION
AC100170AB
Suction connector Plug assembly
Terminal assembly Side plate
1 2
3
4 5
No.ID × Width mm
115.8 × 2.4
221.0 × 1.9
314.8 × 2.4
43.8 × 1.9
514.8 × 1.9
>>B<< OIL SEAL INST ALLA TION
AC000752
MB990938
AB
MB991203
Use following spe c ia l too l to inst all the oil seal.
•Bar (Snap-in type) (MB9909 38)
•Oil Seal and Bearin g Inst aller (MB9912 03)
>>C<< CAM RING INSTALLA TION
CAUTION
Be sure to install the cam ring in the correct
direction as shown.
AC100171AB
Side plate side
Pump cover side
Install the cam ring as shown in the illustration.
INSPECTION
M1372005500200
•Check the flow control valve of the pump body for
clogging.
•Check the pulley and shaft for wear or damage.
•Check the rotor and vane groove for "stepped"
wear.
•Check the contact surface of cam ring and vanes
for "stepped" wear.
•Check the vanes for damage.