Infiniti G37 Coupe. Manual — part 1233
ST-32
< ON-VEHICLE REPAIR >
STEERING GEAR AND LINKAGE
15. Adjust inner socket to standard length “L”, and then tighten lock
nut to the specified torque. Check length “L” again after tighten-
ing lock nut.
CAUTION:
Adjust toe-in after this procedure. The length achieved after
toe-in adjustment is not necessary the above value.
Inspection
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INSPECTION AFTER INSTALLATION
• Check if steering wheel turns smoothly when it is turned several times fully to the end of the left and right.
• Check the steering wheel play, neutral position steering wheel, steering wheel turning force, and front wheel
turning angle. Refer to
.
• Check the fluid level, fluid leakage, and air bleeding hydraulic system. Refer to
.
• Perform 4WAS front actuator neutral position adjustment. Refer to
NEUTRAL POSITION ADJUSTMENT : Description"
INSPECTION AFTER DISASSEMBLY
Boot
• Check boot for cracks, and replace it if a malfunction is detected.
Rack Assembly
• Check rack for damage or wear, and replace it if a malfunction is detected.
Gear-Sub Assembly
• Check gear-sub assembly for damage or wear, and replace it if a malfunction is detected.
• Rotate gear-sub assembly and check for torque variation or rattle, and replace it if a malfunction is detected.
Gear Housing Assembly
• Check gear housing assembly for damage and scratches (inner wall). Replace if there are.
Outer Socket and Inner Socket
• Check the following items and replace the component if it does not meet the standard.
BALL JOINT SWINGING TORQUE
• Hook a spring balance at the point shown in the figure and pull the
spring balance. Make sure that the spring balance reads the spec-
ified value when ball stud and inner socket start to move. Replace
outer socket and inner socket if they are outside the standard.
BALL JOINT ROTATING TORQUE
Standard
Inner socket length “L”
: Refer to
.
SGIA0167E
Standard for outer socket
(Measuring point: Stud cotter pin mounting hole)
Spring balance measure-
ment
Swing Force and Rotating
Torque"
Standard for inner socket
(Measuring point: “*” mark shown in the figure)
Spring balance measure-
ment
Swing Force and Rotating
Torque"
SGIA0896E
STEERING GEAR AND LINKAGE
ST-33
< ON-VEHICLE REPAIR >
C
D
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F
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A
B
ST
N
O
P
• Make sure that the reading is within the following specified range
using preload gauge (A) [SST: ST3127S000 (J-25765-A)]. Replace
outer socket if the reading is outside the specified value.
BALL JOINT AXIAL END PLAY
• Apply an axial load of 490 N (50 kg, 110 lb) to ball stud. Using a
dial gauge, measure amount of stud movement, and then make
sure that the value is within the following specified range. Replace
outer socket (1) and inner socket (2) if the measured value is out-
side the standard.
Standard
Outer socket rotating
torque
: Refer to
Swing Force and Rotating
Torque"
SGIA1382E
Standard
Outer socket
: Refer to
Inner socket
: Refer to
JSGIA0109ZZ
ST-34
< ON-VEHICLE REPAIR >
POWER STEERING OIL PUMP
POWER STEERING OIL PUMP
EXCEPT FOR SPORT MODELS
EXCEPT FOR SPORT MODELS : Exploded View
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REMOVAL AND INSTALLATION
DISASSEMBLY AND ASSEMBLY
1.
Power steering oil pump
2.
Bracket
: Vehicle front
Refer to
for symbols in the figure.
JSGIA0046GB
1.
Pulley
2.
Oil seal
3.
Bracket
4.
Body assembly
5.
Suction pipe
6.
O-ring
JSGIA0103GB
POWER STEERING OIL PUMP
ST-35
< ON-VEHICLE REPAIR >
C
D
E
F
H
I
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K
L
M
A
B
ST
N
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EXCEPT FOR SPORT MODELS : Removal and Installation
INFOID:0000000001666245
REMOVAL
1.
Drain power steering fluid from reservoir tank.
2.
Remove the right half of the air cleaner and the right half of the air duct. Refer to
.
3.
Loosen drive belt. Refer to
.
4.
Remove drive belt from oil pump pulley.
5.
Remove copper washers and eye bolt (drain fluid from their pipings).
6.
Remove suction hose (drain fluid from their pipings).
7.
Remove oil pump mounting bolts, and then remove oil pump.
INSTALLATION
Note the following, and install in the reverse order of removal.
• When installing suction hoses (1), refer to the figure.
CAUTION:
• Never apply fluid to the hose (1) and tube (2).
• Insert hose securely until it contacts spool (A) of tube.
• Install clamp (3) to the hose at 3 – 8 mm (0.12 – 0.31 in) (L)
from the edge of the hose.
• When installing eye bolt (1) and copper washer (2) to oil pump (3),
refer to the figure.
CAUTION:
• Never reuse copper washer.
• Apply power steering fluid to around copper washer, then
install eye-bolt.
• Install eye-bolt with eye-joint (assembled to high pressure
hose) (B) protrusion (A) facing with pump side cutout, and
then tighten it to the specified torque after tightening by
hand. Refer to
• Securely insert harness connector to pressure sensor.
• Adjust belt tension. Refer to
• Check fluid level, fluid leakage and air bleeding hydraulic system after the installation. Refer to
EXCEPT FOR SPORT MODELS : Disassembly and Assembly
INFOID:0000000001666246
DISASSEMBLY
1.
Remove rear cover mounting bolts, and then remove rear cover from body assembly.
CAUTION:
• Fix oil pump with a vise if necessary.
7.
Flow control valve B assembly
8.
Flow control valve spring
9.
Flow control valve A
10. Dowel pin
11.
Front side plate
12. Vane
13. Rotor
14. Rotor snap ring
15. Cam ring
16. Rear side plate
17. O-ring
18. Teflon ring
19. O-ring
20. Rear cover
21. Cartridge
A: Oil seal lip
: Apply power steering fluid.
: Apply multi-purpose grease.
Refer to
for symbols not described on the above.
JSGIA0118ZZ
SGIA1379E
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