2005 INFINITI FX35 power steering

PS-34
POWER STEERING OIL PUMP
Revision: 2005 July 2005 FX

Poor performance
DISASSEMBLY
NOTE:
Fix oil pump in vise as the occasion demands.
CAUTION:
When retaining drive shaft in a vise, always use copper or aluminum plates between vise and shaft.
1. Unscrew four rear cover bolts and remove rear cover from body assembly.
2. Remove rear side plate from cartridge, then remove Teflon ring and O-ring from rear side plate.
3. Remove rotor snap ring with snap ring pliers, and remove pulley from body assembly.
CAUTION:
When removing rotor snap ring, be careful not to damage
pulley shaft.
4. Remove oil seal from body assembly.
5. Remove cam ring, rotor, vane, front side plate, flow control valve A, spring, flow control valve B assembly and O-ring from body
assembly.
CAUTION:
Be careful not to drop and deform flow control valve A and
flow control valve B assembly.
6. Remove suction pipe from body assembly.
7. Remove O-ring from suction pipe.
8. Remove bracket from body assembly.
INSPECTION AFTER DISASSEMBLY
Body Assembly and Rear Cover Inspection
Check body assembly and the inside of rear cover for damage. If any damage is found, replace with new part
for rear cover, and replace with new power steering pump assembly for body assembly.
Cartridge Assembly Inspection
Check cam ring, side plate, rotor and vane for damage. If any damage is found, replace cartridge assembly
with new one.
ASSEMBLY
NOTE:
Fix oil pump in vise as occasion demands.
CAUTION:
When retaining drive shaft in a vise, always use copper or aluminum plates between vise and shaft.
1. Apply Genuine Nissan PSF or equivalent to oil seal lip and to the circumference of oil seal. Using a drift (SST), install oil seal to
body assembly.
NOTE:
Do not reuse oil seal.
2. If dowel pin has been removed, insert it into body assembly by hand. If it cannot be inserted by hand, lightly tap with a hammer.
SGIA0059E
SGIA0526E
SGIA0527E

POWER STEERING OIL PUMP PS-35
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D E
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B
PS
Revision: 2005 July 2005 FX
3. Install flow control valve A, flow control valve spring and flow
control valve B assembly to locations shown in the figure.
4. Match dowel pin A on flow control valve A, shown in the figure, with cutout B of front side plate and then install front side plate to
body assembly.
5. Install cam ring onto front side plate with smaller slit of cam ring facing body assembly.
6. Install pulley to body assembly.
CAUTION:
When installing pulley, be careful not to scratch oil seal.
7. Face the side of rotor with punch mark towards rear cover, and attach rotor to pulley shaft.
SGIA0526E
SGIA0528E
SGIA0623E
SGIA0529E

PS-36
POWER STEERING OIL PUMP
Revision: 2005 July 2005 FX
8. Install vane to rotor with facing the round portion outside.
9. Using a hammer and a 10 mm (0.39 in) box, install rotor snap
ring to slot in pulley shaft.
NOTE:
Do not reuse snap ring.
CAUTION:
Be careful not to damage rotor and pulley shaft.
10. Match dowel pin A on flow control valve A, shown in the figure, with cutout B of rear side plate and install rear side plate to car-
tridge.
11. Apply Genuine Nissan PSF or equivalent to O-ring and install O- ring into rear side plate.
NOTE:
Do not reuse O-ring.
12. Apply Genuine Nissan PSF or equivalent to Teflon ring and Install Teflon ring into rear side plate.
NOTE:
Do not reuse Teflon ring.
13. Position rear cover on body assembly and tighten mounting bolts to specified torque.
14. Apply Genuine Nissan PSF or equivalent to O-ring and install O-ring into suction pipe. NOTE:
Do not reuse O-ring.
15. Install suction pipe into body assembly.
16. Install bracket to body assembly and tighten mounting bolts to specified torque.
SST843A
SGIA0063E
SGIA0530E

POWER STEERING OIL PUMP PS-37
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D E
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M A
B
PS
Revision: 2005 July 2005 FX
Disassembly and Assembly (VK45DE Models)AGS000H4
INSPECTION BEFORE DISASSEMBLY
Disassemble power steering oil pump only if the following items are found.

Oil leakage from oil pump.

Deformed or damaged pulley

Poor performance
DISASSEMBLY
NOTE:
Fix oil pump in vise as the occasion demands.
CAUTION:
When retaining drive shaft in a vise, always use copper or aluminum plates between vise and shaft.
1. Unscrew three bracket bolts and remove bracket from rear cover.
2. Unscrew four rear cover bolts and remove rear cover from body assembly.
3. Remove gasket from body assembly.
4. Remove lock pin, cartridge and side plate from body assembly.
5. Remove pulley from drive shaft assembly.
1. Bracket 2. Rear cover 3. Gasket
4. Lock pin 5. Cam ring 6. Rotor
7. Vane 8. Cartridge 9. Side plate
10. O-ring 11. Body assembly 12. Oil seal
13. Drive shaft assembly 14. Snap ring 15. Pulley
16. Spring washer 17. Spring 18. Flow control valve
19. O-ring 20. Connector bolt 21. Joint
22. Washer 23. Suction pipe 24. O-ring
SGIA0523E

PS-38
POWER STEERING OIL PUMP
Revision: 2005 July 2005 FX
6. Remove snap ring from drive shaft assembly and press out it.
CAUTION:
When removing snap ring, be careful not to damage drive
shaft assembly.
7. Using a screwdriver, remove oil seal for body assembly.
8. Remove O-ring from body assembly.
9. Loosen lock nut and remove washer, O-ring, joint then remove connector bolt, O-ring and pull out flow control valve and spring
from body assembly.
CAUTION:
Be careful not to drop and deform the flow control valve.
10. Remove suction pipe from body assembly.
11. Remove O-ring for suction pipe.
INSPECTION AFTER DISASSEMBLY
Body Assembly and Rear Cover Inspection
Check body assembly and the inside of rear cover for damage. If any damage is found, replace with new part
for rear cover and replace with new power steering pump assembly for body assembly.
Cartridge Assembly Inspection
Check cam ring, side plate, rotor and vane for damage. If any damage is found, replace cartridge assembly
with new one.
ASSEMBLY
NOTE:
Fix oil pump in vise as vise occasion demands.
CAUTION:
When retaining drive shaft assembly in a vise, always use copper or aluminum plates between vise
and shaft.
SST010B
SST034A
SGIA0524E

POWER STEERING OIL PUMP PS-39
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D E
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B
PS
Revision: 2005 July 2005 FX
1. Apply a coat of Genuine Nissan PSF or equivalent to oil seal lip
and to the circumference of oil seal. Using proper tool, such as
hand press machine, install it to body assembly.
NOTE:
Do not reuse oil seal.
2. Apply a coat of Genuine Nissan PSF or equivalent to drive shaft assembly and press drive shaft assembly into body assembly
with suitable tool, then install snap ring.
NOTE:
Do not reuse snap ring.
3. Apply a coat of Genuine Nissan PSF or equivalent to O-ring and Install O-ring into body assembly.
NOTE:
Do not reuse O-ring.
4. Install side plate to body assembly.
5. Install lock pin into lock pin hole, and install cam-ring as shown in the figure.

When installing cam-ring, turn carved face with a letter (E) 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 pump operation malfunction.
6. Install rotor to body assembly.
SST038A
SGIA0422E
SGIA0591E

PS-40
POWER STEERING OIL PUMP
Revision: 2005 July 2005 FX

When installing rotor, turn punch mark face on rotor to body
assembly.
7. Install vane to rotor with facing the round portion outside.
8. Check if drive shaft assembly turns smoothly.
9. Install gasket to body assembly. NOTE:
Do not reuse gasket.
10. Install rear cover to body assembly and tighten bolts at the spec- ified torque.
11. Install bracket to rear cover and tighten bolts at the specified torque.
12. Install pulley to drive shaft assembly then tighten lock nut at the specified torque.
13. Install spring, flow control valve, O-ring, connector bolt, joint, washer to body assembly. Then tighten lock nut at the specified
torque.
NOTE:
Do not reuse O-ring.
14. Apply a coat of Nissan PSF or equivalent to O-ring and Install O-ring to suction pipe. NOTE:
Do not reuse O-ring.
15. Install suction pipe to body assembly.
SGIA0424E
SST843A
SGIA0425E

HYDRAULIC LINE PS-43
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D E
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H I
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M A
B
PS
Revision: 2005 July 2005 FX
Removal and InstallationAGS000H6

Refer to PS-41, "Components" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

Confirm with mating marking that if it is in phase with hose and
clamp, then correct if needs.

To install eye joint, join projection of eye joint into notch of power
steering pump, and attach eye joint to power steering pump
properly. Then, tighten eye bolt by hands fully, and tighten it with
a specified torque.

Connect harness connector into pressure sensor securely.
SGIA0563E
SGIA0533E