2006 INFINITI M35 Factory Service Manual

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Page 4969 of 5621

INFINITI M35 2006 Factory Service Manual PS-16
STEERING COLUMN
Revision: 2006 January2006 M35/M45
INSPECTION AFTER REMOVAL
Check each part of steering column assembly for damage or other malfunctions. Replace if there are.
Measure the length

Page 4970 of 5621

INFINITI M35 2006 Factory Service Manual STEERING COLUMN
PS-17
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
Disassembly and AssemblyNGS000DB
COMPONENTS
DISASSEMBLY
1. Remove fixing screws of telescopic sensor, and then

Page 4971 of 5621

INFINITI M35 2006 Factory Service Manual PS-18
POWER STEERING GEAR
Revision: 2006 January2006 M35/M45
POWER STEERING GEARPFP:49001
Removal and InstallationNGS000DC
COMPONENTS
CAUTION:
Spiral cable may be cut if steering wheel turns while sep

Page 4972 of 5621

INFINITI M35 2006 Factory Service Manual POWER STEERING GEAR
PS-19
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
8. Remove steering hydraulic piping bracket from front suspension member. Refer to PS-38, "HYDRAULIC
LINE"

POWER STEERING GEAR
PS-19
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
8. Remove steering hydraulic piping bracket from front suspension member. Refer to PS-38, "HYDRAULIC
LINE" .
9. Remove EPS solenoid valve harness connector. Refer to PS-20, "
COMPONENTS" .
10. Remove rack stay (2WD) or front cross bar (AWD). Refer to FSU-8, "
Components" , FSU-25, "Compo-
nents" .
11. Remove mounting bolts and nuts of steering gear assembly, and then remove steering gear assembly
from vehicle.
INSTALLATION
Installation is the reverse order of removal. For tightening torque, refer to PS-18, "COMPONENTS" .
When installing lower joint to steering gear assembly, follow the procedure listed below.
–Set rack of steering gear in the neutral position.
NOTE:
To get the neutral position of rack, turn gear-sub assembly and measure the distance of inner socket, and
then measure the intermediate position of the distance.
–Align rear cover cap projection (A) with the marking position (B)
of gear housing assembly.
–Install slit part of lower joint (C) aligning with the projection (A) of
rear cover cap (1). Make sure that the slit part of lower joint (C)
is aligned with both the projection (A) of rear cover cap (1) and
the marking position (B) of gear housing assembly.
After installation, bleed air from the steering hydraulic system.
Refer to PS-8, "
Air Bleeding Hydraulic System" .
Perform final tightening of nuts and bolts on each part under
unladen conditions with tires on level ground when removing
steering gear assembly. Check wheel alignment. Refer to FSU-
6, "Wheel Alignment Inspection" , FSU-23, "Wheel Alignment
Inspection" .
Adjust neutral position of steering angle sensor after checking wheel alignment. Refer to BRC-6, "Adjust-
ment of Steering Angle Sensor Neutral Position" .
INSPECTION AFTER INSTALLATION
Make sure that steering wheel operates smoothly by turning several times from full left stop to full right stop.
SGIA1175E

Page 4973 of 5621

INFINITI M35 2006 Factory Service Manual PS-20
POWER STEERING GEAR
Revision: 2006 January2006 M35/M45
Disassembly and AssemblyNGS000DD
COMPONENTS
CAUTION:
Disassemble and assemble steering gear assembly by securing the mounting area in a vis

Page 4974 of 5621

INFINITI M35 2006 Factory Service Manual POWER STEERING GEAR
PS-21
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
DISASSEMBLY
1. Remove fixing bolts of EPS solenoid valve, and then remove EPS solenoid valve from gear-sub assemb

POWER STEERING GEAR
PS-21
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
DISASSEMBLY
1. Remove fixing bolts of EPS solenoid valve, and then remove EPS solenoid valve from gear-sub assembly.
2. Remove cylinder tubes from gear housing assembly.
3. Remove rear cover cap from gear-sub assembly.
4. Measure adjusting screw height “H”, and loosen adjusting
screw.
CAUTION:
Do not loosen adjusting screw 2 turns or more.
Replace steering gear assembly if adjusting screw is
loosened 2 turns or more and it is removed.
5. Remove fixing bolts of gear-sub assembly, and then remove
gear-sub assembly from gear housing assembly.
6. Remove O-ring from gear housing assembly.
7. Loosen outer socket lock nut, and remove outer socket.
8. Remove boot clamp, and then remove boot from inner socket.
CAUTION:
Do not damage inner socket and gear housing assembly when removing boot. Inner socket and
gear housing assembly must be replaced if inner socket and gear housing assembly are damaged
because it may cause foreign material interfusion.
9. Remove inner socket from gear housing assembly.
10. Drill out the clinching part of gear housing assembly (end cover
assembly side) outer rim with a 3 mm (0.12 in) drill bit. [Drill for
approximately 1.5 mm (0.059 in) depth.]
11. Remove end cover assembly with a 36 mm (1.42 in) open head
(suitable tool).
CAUTION:
Do not damage rack assembly surface when removing.
Rack assembly must be replaced if damaged because it
may cause fluid leakage.
12. Pull rack assembly together with rack oil seal (outer side) out
from gear housing assembly.
CAUTION:
Do not damage cylinder inner wall when removing rack
assembly. Gear housing assembly must be replaced if dam-
aged because it may cause fluid leakage.
13. Heat rack Teflon ring to approximately 40
C (104F) with a
dryer, and remove rack Teflon ring and O-ring from rack assem-
bly.
CAUTION:
Do not damage rack assembly. Rack assembly must be
replaced if damaged because it may cause fluid leakage.
SGIA0624E
STC0013D
SST081B
SGIA0151E

Page 4975 of 5621

INFINITI M35 2006 Factory Service Manual PS-22
POWER STEERING GEAR
Revision: 2006 January2006 M35/M45
14. Push rack oil seal inside with a 29 mm (1.14 in) socket and an
extension bar to push out rack oil seal (inner side

Page 4976 of 5621

INFINITI M35 2006 Factory Service Manual POWER STEERING GEAR
PS-23
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2006 January2006 M35/M45
Outer Socket and Inner Socket
1. Ball joint swinging torque
Hook a spring balance at the point shown in

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