fluid INFINITI M35 2007 Factory Service Manual

POWER STEERING OIL PUMP
PS-31
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2007 April2007 M35/M45
Disassembly and Assembly (Models with VK45DE)NGS000DG
COMPONENTS
INSPECTION BEFORE DISASSEMBLY
Disassemble oil pump only when the following malfunctions occur.

If oil leakage is found on oil pump.

Oil pump pulley is damaged or deformed.

Performance of oil pump is low.
1. Pulley 2. Snap ring 3. Drive shaft
4. Joint 5. O-ring 6. Connector bolt
7. Flow control valve 8. Spring 9. Oil seal
10. Suction pipe 11. O-ring 12. Body assembly
13. O-ring 14. Side plate 15. Vane
16. Rotor 17. Cam ring 18. Cartridge
19. Dowel pin 20. Gasket 21. Rear cover
22. Copper washer
Refer to GI-11, "
Components" , and the followings for the symbols in the figure.
: Apply power steering fluid.
: Apply multi-purpose grease.
SGIA1187E

POWER STEERING OIL PUMP
PS-33
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2007 April2007 M35/M45
ASSEMBLY
NOTE:
Secure oil pump in a vise if necessary.
CAUTION:
Use copper plates when securing in a vise.
1. Apply recommended grease to oil seal lips (1). Apply recom-
mended fluid to around oil seal, and then install oil seal to body
assembly.
2. Apply recommended fluid to drive shaft, and press drive shaft
into body assembly, then install snap ring.
3. Apply recommended fluid to O-ring, and then install O-ring into
body assembly.
4. Install side plate to body assembly.
5. Install dowel pin (3) into dowel pin hole (A), and then install cam
ring (2) pointing it's D
1 side toward the body assembly (1) side
as shown in the figure.

When installing cam ring, turn carved face with a letter E (B)
of it to rear cover.
CAUTION:
Do not confuse the assembling direction of cam ring. If
cam ring is installed facing the incorrect direction, it may
cause oil pump operation malfunction.
6. Install rotor to body assembly.
SGIA1150E
SGIA0422E
SGIA1166E

PS-34
POWER STEERING OIL PUMP
Revision: 2007 April2007 M35/M45

When installing rotor, turn mark face on rotor to body assem-
bly.
7. Install vane to rotor so that arc of vane faces cam ring side.
8. Check if drive shaft turns smoothly.
9. Install gasket to body assembly.
10. Install rear cover to body assembly, and then tighten mounting
bolts to the specified torque.
11. Install pulley and washer to drive shaft, and then tighten lock nut
at the specified torque.
12. Apply recommended fluid to O-ring. Install spring, flow control
valve and O-ring to body assembly, and then tighten connector
bolt to the specified torque.
13. Apply recommended fluid to O-ring . Install O-ring, joint and cop-
per washer to connector bolt, and then tighten lock nut to the
specified torque.
14. Apply recommended fluid to O-ring, and then install O-ring to
body assembly.
15. Install suction pipe to body assembly.
SGIA0989E
SGIA0613E
SGIA0425E

POWER STEERING OIL PUMP
PS-35
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2007 April2007 M35/M45
Disassembly and Assembly (Models with VQ35DE)NGS000DH
COMPONENTS
INSPECTION BEFORE DISASSEMBLY
Disassemble oil pump only when the following malfunctions occur.

If oil leakage is found on oil pump.

Oil pump pulley is damaged or deformed.

Performance of oil pump is low.
1. Pulley 2. Oil seal 3. Bracket
4. Body assembly 5. Suction pipe 6. O-ring
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
Refer to GI-11, "
Components" , and the followings for the symbols in the figure.
: Apply power steering fluid.
: Apply multi-purpose grease.
SGIA1188E

POWER STEERING OIL PUMP
PS-37
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2007 April2007 M35/M45
ASSEMBLY
NOTE:
Secure oil pump in a vise if necessary.
CAUTION:
Use copper plates when securing in a vise.
1. Apply recommended grease to oil seal lips. Apply recommended
fluid to around oil seal, and then install oil seal to body assembly
using the drift [SST].
2. Install bracket to body assembly, and then tighten mounting
bolts to the specified torque.
3. If dowel pin has been removed, insert it into body assembly by
hand. If cannot be inserted by hand, lightly tap with a hammer.
4. Install flow control valve A, flow control valve spring and flow
control valve B assembly as shown in the figure.
5. Install front side plate (3) with dowel pin (2) on flow control valve
A (1) side as shown in the figure aligning with front side plate
cutout (A) to body assembly (4).
6. Install cam ring as shown in the figure.
7. Install pulley to body assembly.
CAUTION:
Do not damage oil seal when installing pulley.
SGIA0527E
SGIA0526E
SGIA1189E
SGIA0612E

PS-38
POWER STEERING OIL PUMP
Revision: 2007 April2007 M35/M45
8. Install rotor so that mark faces body assembly, and then install it
to pulley shaft.
9. Install vane to rotor so that arc of vane faces cam ring side.
10. Install rotor snap ring to slit of pulley shaft using a hammer and a
10 mm (0.39 in) socket.
CAUTION:

Do not damage rotor and pulley shaft.

Power steering oil pump assembly must be replaced if
rotor is damaged.
11. Install rear side plate with dowel pin A on flow control valve A
side as shown in the figure aligning with rear side plate cutout B
to cartridge.
12. Apply recommended fluid to O-ring, and then install O-ring to
body assembly.
13. Apply recommended fluid to O-ring, and then install O-ring to
rear side plate.
14. Apply recommended fluid to Teflon ring, and then install Teflon
ring to rear side plate.
15. Install rear cover to body assembly, and then tighten mounting
bolts to the specified torque.
16. Apply recommended fluid to O-ring, and then install O-ring to body assembly.
17. Install suction pipe to body assembly.
SGIA0989E
SGIA0613E
SGIA0063E
SGIA0530E

PS-40
HYDRAULIC LINE
Revision: 2007 April2007 M35/M45
10. Eye-bolt 11. Copper washer 12. Eye-joint (assembled to high-pres-
sure side hose)
13. Pressure sensor 14. Oil pump bracket
Refer to GI-11, "
Components" , and the followings for the symbols in the figure.
: Apply power steering fluid.

PS-42
HYDRAULIC LINE
Revision: 2007 April2007 M35/M45
Refer to GI-11, "Components" , and the followings for the symbols in the figure.
: Apply power steering fluid.

PS-44
HYDRAULIC LINE
Revision: 2007 April2007 M35/M45
Removal and InstallationNGS000DL
CAUTION:

Securely insert harness connector to pressure sensor.

Insert hose securely until it contacts tube spool (Do not
apply fluid).

Install eye-bolt with eye-joint (assembled to high-pressure
hose) protrusion facing with pump side cutout, and then
tighten it to the specified torque after tightening by hand.
Refer to GI-11, "Components" , and the followings for the symbols in the figure.
: Apply power steering fluid.
SGIA0514E
SGIA0515E

PS-46
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2007 April2007 M35/M45
Steering GearNGS000DP
STEERING OUTER SOCKET AND INNER SOCKET
RACK STROKE
RACK SLIDING FORCE
Oil PumpNGS000DR
Steering FluidNGS000DS
Steering gear typePR26AF
Outer socketSwinging torque 0.3 – 2.9 N·m (0.03 – 0.29 kg-m, 3 – 25 in-lb)
Measurement on spring balance

Measuring point at cotter pin hole of stud4.81 – 45.7 N (0.5 – 4.7 kg, 1.1 – 10.4 lb)
Rotating torque 0.3 – 2.9 N·m (0.03 – 0.29 kg-m, 3 – 25 in-lb)
Axial end play 0.5 mm (0.020 in) or less
Inner socketSwinging torque 1.0 – 7.8 N·m (0.11 – 0.79 kg-m, 9.0 – 69 in-lb)
Measurement on spring balance

Measuring point at *mark shown in the
figure8.9 – 64 N (0.9 – 6.5 kg, 2.0 – 14.3 lb)
Axial end play 0.2 mm (0.008 in) or less
Inner socket length L63.9 mm (2.516 in) (2WD)
55.2 mm (2.173 in) (AWD)
SGIA0950E
Steering gear modelPR26AF
Drive type 2WD AWD
Rack neutral position, dimension L (rack stroke) 68.5 mm (2.697 in) 67.0 mm (2.638 in)
SGIA0877E
Rack sliding force2WD 195 – 258 N (19.9 – 26.3 kg, 44 – 58 lb)
AWD 227 – 305 N (23.2 – 31.1 kg, 51 – 69 lb)
Oil pump relief hydraulic pressure
8,520 – 9,320 kPa (86.9 – 95.1 kg/cm2 , 1,235 – 1,351 psi)
Fluid capacity
Approx. 1.0 (1-1/8 US qt, 7/8 Imp qt)