Nissan Pathfinder. Manual — part 1110
STEERING WHEEL
ST-19
< BASIC INSPECTION >
C
D
E
F
H
I
J
K
L
M
A
B
ST
N
O
P
STEERING WHEEL
Inspection
INFOID:0000000009177070
CONDITION OF INSTALLATION
• Check installation condition of power steering gear, front suspension, front drive shaft and steering column.
• Check if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
• Verify that the power steering gear nuts are tightened to specification. Refer to
.
STEERING WHEEL PLAY
1. Turn tires straight ahead, start engine, then turn steering wheel to the left and right lightly. Measure steer-
ing wheel movement on the outer circumference of the steering wheel when it is turned to the point where
tires start moving.
NEUTRAL POSITION ON STEERING WHEEL
• Check neutral position on steering wheel after confirming that front wheel alignment is correct. Refer to
5, "Inspection and Adjustment"
1. Turn tires straight ahead, check if steering wheel is in the neutral position.
2. If it is not in the neutral position, remove steering wheel and reinstall it correctly.
3. If the neutral position cannot be attained by repositioning the steering wheel two teeth or less on steering
stem, loosen tie-rod lock nuts of power steering gear outer sockets, then adjust tie-rods by the same
amount in the opposite direction.
STEERING WHEEL TURNING FORCE
1. Park vehicle on a level, dry surface and set parking brake.
2. Start engine.
3. Bring power steering fluid up to operating temperature.
4. Verify that the tires are inflated to the specified pressure. Refer to
5. Check steering wheel turning force using Tool when steering
wheel has been turned 360
° from the neutral position.
6. If steering wheel turning force is out of specification, inspect
steering column. Refer to
.
7. If steering column meets specification, inspect steering gear.
.
CHECKING FRONT WHEEL TURNING ANGLE
Steering wheel axial end play
: Refer to
.
Steering wheel play
Tool number
: ( — ) (J-44372)
Steering wheel
turning force
WGIA0035E
ST-20
< BASIC INSPECTION >
STEERING WHEEL
• Check front wheel turning angle after toe-in inspection. Place front
wheels on turning radius gauges and rear wheels on stands.
Check the maximum inner and outer wheel turning angles for LH
and RH road wheels.
• Measure the turning angles with the engine at idle, then turn the
steering wheel from full left stop to full right stop and measure the
turning angle. Refer to
• Measure the rack stroke specification with vehicle in neutral posi-
FAA0016D
Inner wheel angle (A)
: Refer to
Outer wheel angle (B)
: Refer to
SGIA0055E
Rack stroke in neutral
position (L)
.
AWGIA0003GB
STEERING COLUMN
ST-21
< BASIC INSPECTION >
C
D
E
F
H
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J
K
L
M
A
B
ST
N
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STEERING COLUMN
Inspection
INFOID:0000000009177071
HOLE COVER SEAL, HOLE COVER AND LOWER SHAFT
Check each part of hole cover seal, hole cover and steering column and lower shaft for damage or other mal-
functions. Replace if necessary.
STEERING COLUMN
• Check each part of steering column for damage or other malfunctions. Replace entire steering column if any
parts are damaged.
• Measure the length (L) as shown if vehicle has been involved in a
minor collision. Replace steering column if outside the specifica-
tions.
• Measure steering column rotating torque using Tool. Replace steering column if outside the standard.
• Check tilt and telescopic mechanism operating range (L
1
), (L
2
) as
shown.
Steering column length (L)
: Refer to
ALGIA0105ZZ
Tool number
: ST3127S000 (J-25765-A)
Rotating torque
Tilt operating range (L
1
)
: Refer to
.
Telescopic operating range
(L
2
)
: Refer to
.
ALGIA0106ZZ
ST-22
< BASIC INSPECTION >
POWER STEERING OIL PUMP
POWER STEERING OIL PUMP
Inspection
INFOID:0000000009177072
RELIEF OIL PRESSURE
1. Connect the Tool between oil pump discharge connector and
high-pressure hose. Bleed air from the hydraulic circuit while
opening valve fully. Refer to
ST-42, "Air Bleeding Hydraulic Sys-
2. Start engine. Run engine until power steering fluid temperature
reaches 50
° - 80°C (122° - 176°F).
CAUTION:
• Leave the valve of the hydraulic pressure gauge fully
open while starting and running engine. If engine is
started with the valve closed, the hydraulic pressure in oil
pump goes up to the relief pressure along with unusual
increase of fluid temperature.
• Be sure to keep hose clear of belts and other parts when
engine is started.
3. Fully close the Tool valve with engine at idle and measure the
relief oil pressure.
CAUTION:
Do not keep valve closed for 10 seconds or longer.
4. Open the valve slowly after measuring. Replace oil pump if the relief oil pressure is outside the standard.
5. After inspection, disconnect the Tool from hydraulic circuit, then add fluid and bleed air. Refer to
"Air Bleeding Hydraulic System"
.
Tool numbers
: KV48103500 (J-26357)
: KV48102500 (J-33914)
Relief oil pressure : Refer to
SGIA0915E
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