Mitsubishi Outlander XL. Manual — part 703
GROUP 37
POWER STEERING
CONTENTS
GENERAL SPECIFICATIONS. . ..
SERVICE SPECIFICATIONS. . ..
LUBRICANTS. . . . . ..
SEALANT. . . . . . .
GENERAL INFORMATION. . . .
POWER STEERING DIAGNOSIS. ....
INTRODUCTION TO POWER STEERING
DIAGNOSIS. . . . . ...
POWER STEERING DIAGNOSIS
TROUBLESHOOTING STRATEGY. ....
SYMPTOM CHART. . . . ...
SYMPTOM PROCEDURES. . . ..
INSPECTION PROCEDURE 1: Excessive Play
of Steering Wheel. . . . .
INSPECTION PROCEDURE 2: Difficult
Steering Wheel Operation (Insufficient
Power Assist). . . . . .
INSPECTION PROCEDURE 3: Rattling Noise
. . . . . . . . ..
INSPECTION PROCEDURE 4: Shrill Noise
. . . . . . . . ..
INSPECTION PROCEDURE 5: Squealing
Noise. . . . . . . .
INSPECTION PROCEDURE 6: Hissing Noise
. . . . . . . . ..
INSPECTION PROCEDURE 7: Droning Noise
. . . . . . . . ..
INSPECTION PROCEDURE 8: Squeaking
Noise. . . . . . .
INSPECTION PROCEDURE 9: Vibration
. . . . . . . . .
INSPECTION PROCEDURE 10: Oil Leakage
from Hose Connection. . . .
INSPECTION PROCEDURE 11: Oil Leakage
from Hose Assembly. . . ...
INSPECTION PROCEDURE 12: Oil Leakage
from Oil Reservoir. . . ...
INSPECTION PROCEDURE 13: Oil Leakage
from Oil Pump. . . . .
INSPECTION PROCEDURE 14: Oil Leakage
from Steering Gear. . . ...
SPECIAL TOOLS. . . . ..
ON-VEHICLE SERVICE. . . .
STEERING WHEEL FREE PLAY CHECK
. . . . . . . ...
STEERING ANGLE CHECK. . ...
BALL JOINT DUST COVER CHECK. . . .
TIE ROD END BALL JOINT BREAKAWAY
TORQUE CHECK. . . . ...
STATIONARY STEERING EFFORT CHECK
. . . . . . . ...
STEERING WHEEL RETURN TO CENTER
CHECK. . . . . . ..
DRIVE BELT TENSION CHECK. ...
FLUID LEVEL CHECK. . . ..
37-1
Continued on next page
FLUID REPLACEMENT. . . ..
POWER STEERING SYSTEM AIR BLEEDING
. . . . . . . ...
OIL PUMP PRESSURE TEST. . .
INSPECTION OF STEERING COLUMN SHAFT
ASSEMBLY IMPACT ABSORBING MECHANISM
. . . . . . . ...
STEERING WHEEL. . . . .
REMOVAL AND INSTALLATION. ...
STEERING SHAFT. . . . .
REMOVAL AND INSTALLATION. ...
DISASSEMBLY AND ASSEMBLY. ...
POWER STEERING GEAR BOX AND LINKAGE
. . . . . . . ...
REMOVAL AND INSTALLATION. ...
PINION TOTAL ROTATION TORQUE CHECK
. . . . . . . ...
TIE-ROD OSCILLATING TORQUE CHECK
. . . . . . . ...
TIE-ROD END BALL JOINT DUST COVER
CHECK. . . . . . ..
DISASSEMBLY AND ASSEMBLY. ...
POWER STEERING OIL PUMP ASSEMBLY
. . . . . . . ...
REMOVAL AND INSTALLATION. ...
INSPECTION. . . . . .
DISASSEMBLY AND ASSEMBLY. ...
INSPECTION. . . . .
POWER STEERING HOSES. . ...
REMOVAL AND INSTALLATION. ...
INSPECTION. . . . . .
37-2
GENERAL SPECIFICATIONS
M13702000002USA0000010000
ITEM
SPECIFICATION
Power steering gear box
Type
Rack and pinion
Stroke ratio (Rack stroke/Steering wheel
maximum turning radius)
45.6
Oil pump
Type
Vane type
Displacement cm3/rev (cu in/rev)
8.1 (0.49)
Relief set pressure MPa (psi)
8.8 (1,276)
SERVICE SPECIFICATIONS
M13702000003USA0000010000
ITEM
STANDARD VALUE
LIMIT
Steering wheel free
play mm (in)
With engine running
-
30 (1.2)
With engine stopped
16.5 (0.6) or less
-
Steering angle
Inside wheel
39°
-
Outside wheel (reference)
32°
-
Toe-in mm (in)
1 ± 2 (0.04 ± 0.09)
-
Tie rod end ball joint breakaway torque N·m (in-lb)
2.9(26) or less
-
Tie rod swing resistance N (lb) [Tie rod swing torque N·m (in-lb)]
5 - 18 (44 - 80)
[1.5 - 4.9 (13.2 - 43.4)]
-
Engine idle speed r/min
650 ± 100
-
Stationary steering effort N (lb) [Fluctuation allowance N (lb)]
29 (6.5) or less
[5.9 (1.33) or less]
-
Oil pump pressure MPa
(psi)
Oil pump relief pressure
8.8 - 9.5 (1,276 - 1,378) -
Pressure under no-load conditions
0.2 - 0.7 (29 - 101)
-
Steering gear retention hydraulic pressure 8.8 - 9.5 (1,276 - 1,378) -
Steering gear total pinion torque N·m (in-lb) [Change in torque N·m
(in-lb)]
0.6 - 1.6 (5.3 - 14.2)
[0.4 (3.5) or less]
-
Opening dimension of special tool MB991561 mm (in)
2.9 (0.11)
-
Band crimped width mm (in)
2.4 - 2.8 (0.09 - 0.11)
-
LUBRICANTS
M13702000004USA0000010000
ITEM
SPECIFIED LUBRICANT
QUANTITY dm3(qt)
Power steering fluid
GENUINE MITSUBISHI POWER
STEERING FLUID
1.0 (1.06)
Steering gear
Bellows
Silicon grease
As required
Oil pump
Friction surface of rotor vane,
cam ring and pump cover
GENUINE MITSUBISHI POWER
STEERING FLUID
As required
O-ring
POWER STEERING
37-3
GENERAL SPECIFICATIONS
SEALANT
M13702000005USA0000010001
ITEM
SPECIFIED LUBRICANT
QUANTITY dm3(qt)
Steering gear
Bellows
3M™ AAD Part No.8663 or
equivalent
As required
GENERAL INFORMATION
M13702000001USA0000010000
The steering wheel has three spokes and is equipped
with SRS (Supplemental Restraint System).
The steering column has a shock absorbing
mechanism and a tilt steering mechanism.
The hydraulic sensor, which linearly controls the
hydraulic pressure change when the wheel is turned,
has been adopted to improve the steering stability.
The steering system uses a vane oil pump with a fluid
flow control system, so that steering effort varies with
engine speed.
ZC5018320000
Steering wheel
Steering column
shaft assembly
Pressure hose
assembly
Pressure sensor
Oil reservoir
Suction hose
Oil pump
Steering gear
Return hose
Cross member
POWER STEERING DIAGNOSIS
INTRODUCTION TO POWER STEERING DIAGNOSIS
M13702000085USA0000010000
Hydraulic power steering is used for all vehicles.
Faults in the power steering can include excessive
play of the steering wheel, difficult steering wheel
operation, noise, vibration, and oil leaks, etc. Possible
causes of these faults can include defects in the gear
box, oil pump or steering linkage.
37-4
POWER STEERING
SEALANT
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