Mitsubishi Lancer Evolution 7. Manual — part 333
STEERING - Power Steering Gear Box and Linkage
37A-27
2. If the total rotation torque or torque fluctuation does not
meet the standard values, adjust by returning the rack
support cover within a range of 0 to 30_.
Caution
(1) Adjust around the maximum limit of the standard
values.
(2) See that no ratcheting or catching are present
when operating the rack towards the shaft
direction.
(3) Measure the total pinion torque through the whole
stroke of the rack.
3. If the adjustment is impossible in the given range, check
the components of the rack support cover, and replace
if necessary.
"
LA 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.
"
MABELLOWS 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 about 0.7 mm per
one turn.
(2) Do not turn the adjusting bolt more than one turn.
2. Use the special tool to crimp the bellows band.
Caution
(1) Hold the rack housing, and use the special tool
to crimp the bellows band securely.
(2) Crimp the bellows band until the special tool
touches the stopper.
MB991561
Stopper
Adjusting bolt
W
MB991561
STEERING - Power Steering Gear Box and Linkage
37A-28
3. See that the crimped width (A) meets the standard value.
Standard value (A): 2.4
- 2.8 mm
<When more than 2.8 mm>
Readjust the dimension (W) of step (1) to the value
calculated by the following equation, and repeat step
(2).
W = 5.5 mm
- A [Example: If (A) is 2.9 mm, (W)
is 2.6 mm.]
<When less than 2.4 mm>
Remove the bellows band, readjust the dimension
(W) of step (1) to the value calculated by the following
equation, and use a new bellows band to repeat steps
(2) to (3).
W = 5.5 mm
- A [Example: If (A) is 2.3 mm, (W)
is 3.2 mm.]
"
NA TIE ROD END/LOCKING NUT INSTALLATION
Screw in the tie rod end until the dimension shown is achieved.
Then, temporarily tighten with the locking nut.
NOTE
The locking nut must be tightened securely only after the
power steering gear box and linkage are installed to the vehicle
and toe
-in is adjusted.
"
OAGEAR MOUNTING RUBBER INSTALLATION
Install the gear mounting rubber to the rack housing so that
the distance is as shown in the illustration.
TIE ROD END BALL JOINT DUST COVER
REPLACEMENT
Only when the dust cover is damaged accidentally during
service work, replace the dust cover as follows:
1. Apply grease to the inside of the dust cover.
2. Drive in the dust cover with special tool until it is fully
seated.
3. Check the dust cover for cracks or damage by pushing
it with finger.
A
Edge of bellows
assembly groove
Locking nut
184 mm
220 mm
MB990776
STEERING - Power Steering Oil Pump
37A-29
POWER STEERING OIL PUMP
REMOVAL AND INSTALLATION
Caution
After temporary tightening all bolts in * part, tighten in specific torque.
Pre-removal Operation
Power Steering Fluid Draining (Refer to P.37A-9.)
Post-installation Operation
D
Power Steering Fluid Supplying and Bleeding
(Refer to P.37A-9.)
D
Drive Belt Tension Adjusting
(Refer to GROUP 11A – On-vehicle Service.)
22 ± 4 N·m
8
40 ± 5 N·m
18 ± 3 N·m
3
4
5
2
5
22 ± 4 N·m*
1
7
6
40 ± 5 N·m*
22 ± 4 N·m
Removal steps
1. Pressure switch connector
2. Drive belt (Refer to GROUP 11A.)
"
BA 3. Suction hose connection
"
BA 4. Pressure hose connection
"
AA 5. O ring
6. Heat protecter
7. Oil pump assembly
8. Power steering pump bracket
INSTALLATION SERVICE POINTS
"
AA O-RING INSTALLATION
No.
ID × Width mm
1
11.0 × 1.9
2
13.0 × 1.9
2
1
STEERING - Power Steering Oil Pump/Power Steering Oil Hoses
37A-30
"
BA PRESSURE HOSE ASSEMBLY/SUCTION HOSE
REMOVAL
Install the pressure hose assembly and suction hose as
illustrated.
DISASSEMBLY AND REASSEMBLY
21 ± 3 N·m
3
4
2
1
39 ± 5 N·m
: Automatic transmission fluid DEXRON II
NOTE
Disassembly steps
1. Suction connector
2. O-ring
3. Connector
4. Gasket
POWER STEERING OIL HOSES
REMOVAL AND INSTALLATION
Caution
1. Before removing the clock spring, always see GROUP 52B - Caution for Service and Air Bag
Module Clock Spring
2. If the vehicle is equipped with the Brembo disc brake, during maintenance, take care not to
contact the parts or tools to the caliper, because the paint of caliper will be scratched.
3. On the tightening section indicated in the mark (*), lightly tighten the nut first, and then finally
tighten it with the engine weight applied on the body.
Suction hose
Pressure hose
assembly
Marking
Notch
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