Mitsubishi Lancer Evolution VI. Manual — part 80
STEERING –
Power Steering Gear Box
37A-12
REASSEMBLY SERVICE POINTS
"
A
A
GEAR HOUSING MOUNTING RUBBER
INSTALLATION
1.
Install the gear housing mounting rubber on the rack
housing so that the dimension shown is achieved.
NOTE
The gear housing mounting rubber can be installed
regardless of the installation direction of the slit.
2.
Apply specified adhesive to the slit of the gear housing
mounting rubber.
Specified adhesive:
3M ATD Part No. 8155 or equivalent
"
B
A
OIL SEAL INSTALLATION
"
C
A
NEEDLE ROLLER BEARING / BALL BEARING
INSTALLATION
"
D
A
RACK INSTALLATION
1.
Apply a coating of repair kit grease to the rack tooth
face.
Caution
Do not close the vent hole in the rack with grease.
Slit
Gear housing
mounting rubber
3.1 mm
MB991452
Oil seal
MB991197
(Bar)
Needle roller
bearing
MB990938
MB991202
MB990938
MB991202
Ball bearing
Vent hole
STEERING –
Power Steering Gear Box
37A-13
2.
Cover rack serrations with special tool.
3.
Apply the specified fluid on the special tool.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
4.
Match the oil seal centre with rack to prevent retainer
spring from slipping and slowly insert rack from power
cylinder side.
"
E
A
OIL SEAL / RACK BUSHING INSTALLATION
1.
Apply the specified fluid to the outer surface of the oil
seal. Press-fit the oil seal using the special tool until it
is flush with the bushing end face.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
2.
Apply the specified fluid to the oil seal inner surface and
the O-ring.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
3.
Wrap the rack end with plastic tape, and push the rack
bushing onto the rack.
"
F
A
CIRCLIP INSTALLATION
Insert the circlip to the rack stopper hole through the cylinder
hole. Turn the rack stopper clockwise and insert the circlip
firmly.
Caution
Insert the circlip to the rack stopper hole while turning
the rack stopper clockwise.
"
G
A
OIL SEAL / BALL BEARING INSTALLATION
1.
Apply a coating of the specified fluid to the outside of
the oil seal. Using the special tools, press the oil seal
into the valve housing.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
MB991214
Oil seal
Oil seal
MB990927
Rack
bushing
O-ring
Rack bushing
Plastic tape
Circlip
Slot
Circlip
Slot
Oil seal
MB990938
MB991203
STEERING –
Power Steering Gear Box
37A-14
2.
Apply a coating of the specified fluid to the outside of
the ball bearing. Using the special tools, press the ball
bearing into the valve housing.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
"
H
A
SEAL RING INSTALLATION
1.
Kneed the seal ring to soften it.
2.
Apply the specified fluid to the seal ring, and install to
the rack groove.
Specified fluid:
Automatic transmission fluid
DEXRON or DEXRON
II
3.
Insert the tapered side of the special tool from the pinion
gear side, and compress the seal ring.
"
I
A
OIL SEAL INSTALLATION
Use the special tool to press the oil seal into the valve housing.
The upper surface of the oil seal should project outwards
approx. 1 mm from the housing edge surface.
Caution
If the oil seal is flush with or lower than the housing
edge, it will cause oil leaks and require reassembly.
"
J
A
END PLUG INSTALLATION
1.
Apply the specified sealant to the threaded part of the
end plug.
Specified sealant:
3M ATD Part No.8661 or equivalent
2.
Secure the threaded portion of the end plug at two places
by using a punch.
"
K
A
TOTAL PINION TORQUE ADJUSTMENT
1.
Position the rack at its centre. Tighten the rack support
cover to 15 Nm.
2.
In neutral position, rotate the pinion shaft clockwise one
turn/4 – 6 seconds with the special tool. Return the rack
support cover 30
_
– 60
_
and adjust torque to the standard
value.
Ball bearing
MB990938
MB991203
Pinion gear
MB991317
Tapered side
Approx. 1 mm
MB990941
End plug
Sealant
End plug
MB991006
STEERING –
Power Steering Gear Box
37A-15
3.
Using the special tools, rotate the pinion gear at the rate
of one rotation in approximately 4 to 6 seconds to check
the total pinion torque.
Standard value: 0.9 – 1.7 Nm
[Change in torque: 0.4 Nm]
Caution
(1) When adjusting, set the standard value at its
highest value.
(2) Assure no ratcheting or catching when operating
the rack towards the shaft direction.
NOTE
When it cannot be adjusted within the specified return
angle, check or replace the rack support cover
components.
4.
After adjusting, lock the rack support cover with lock nut.
"
L
A
TAB WASHER / TIE-ROD INSTALLATION
After installing the tie-rod to the rack, fold the tab washer
end (2 locations) to the tie-rod notch.
"
M
A
BELLOWS BAND INSTALLATION
1.
Turn the adjusting bolt of the special tool to adjust the
opening dimension (W) to the standard value.
Standard value (W): 2.9 mm
<When more than 2.9 mm>
Screw in the adjusting bolt.
<When less than 2.9 mm>
Loosen the adjusting bolt.
NOTE
(1) The dimension (W) is adjusted by approx. 0.7 mm
per one turn.
(2) Do not turn the adjusting bolt more than one turn.
MB991006
MB991561
Stopper
Adjusting bolt
W
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