steering INFINITI FX35 2008 Service Manual

POWER STEERING OIL PUMPPS-31
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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. 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.
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 pl ate with smaller slit of cam ring
facing body assembly.
6. Install pulley to body assembly. CAUTION:
When installing pulley, be car eful not to scratch oil seal.
SGIA0527E
SGIA0526E
SGIA0528E
SGIA0623E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PS-32
< SERVICE INFORMATION >
POWER STEERING OIL PUMP
7. Face the side of rotor with punch mark towards rear cover, andattach rotor to pulley shaft.
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.
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 recommended fluid to O-ring and install O-ring into rear side plate.
12. Apply recommended fluid to Teflon ring and Install Teflon ring into rear side plate.
13. Position rear cover on body assembly and tighten mounting bolts to specified torque.
14. Apply recommended fluid to O-ring and install O-ring into suc- tion pipe.
15. Install suction pipe into body assembly.
16. Install bracket to body assembly and tighten mounting bolts to specified torque.
Disassembly and Assemb ly (VK45DE Models)INFOID:0000000001327722
COMPONENTS
SGIA0529E
SST843A
SGIA0063E
SGIA0530E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

POWER STEERING OIL PUMPPS-33
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INSPECTION BEFORE DISASSEMBLY
Disassemble power steering oil pump onl y 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 alumi num 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
Refer to GI-8, "
Component" and the followings for the symbols in the figure.
: Apply power steering fluid
: Apply multi-purpose grease
SGIA1680E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PS-34
< SERVICE INFORMATION >
POWER STEERING OIL PUMP
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 rear cover for internal damage. Replace rear cover if it is damaged. Replace oil
pump assembly if body assembly is damaged.
Cartridge Assembly Inspection
Check cam ring, rotor and vane for damage. R eplace cartridge assembly if there are.
Side Plate Inspection
Check side plate for damage. Replace side plate if there are.
Flow Control Valve Inspection
Check flow control valve and spring for damage. Replace if there are.
ASSEMBLY
NOTE:
Fix oil pump in vise as vise occasion demands.
CAUTION:
When retaining drive shaft assembly in a vise, al ways use copper or aluminum plates between vise
and shaft.
SST010B
SST034A
SGIA0524E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

POWER STEERING OIL PUMPPS-35
< SERVICE INFORMATION >
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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 assembly and press drive shaft assembly into body assembly with suitable tool, then
install snap ring.
3. Apply recommended fluid to O-ring and Install O-ring into body assembly.
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 itto rear cover.
CAUTION:
Do not confuse the assembling direction of cam ring. If
cam ring is installed facing th e incorrect direction, it may
cause pump operation malfunction.
6. Install rotor to body assembly.  When installing rotor, turn punch mark face on rotor to bodyassembly.
SGIA1150E
SGIA0422E
SGIA0591E
SGIA0424E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PS-36
< SERVICE INFORMATION >
POWER STEERING OIL PUMP
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.
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.
14. Apply recommended fluid to O-ring and Install O-ring to suction pipe.
15. Install suction pipe to body assembly.
SST843A
SGIA0425E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

HYDRAULIC LINEPS-37
< SERVICE INFORMATION >
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HYDRAULIC LINE
ComponentINFOID:0000000001327723
VQ35DE 2WD MODEL
JSGIA0218GB
1. Reservoir tank 2. Reservoir tank bracket 3. Suction hose
4. High pressure hose 5. Power steering oil pump 6. Steering gear assembly
7. Oil cooler 8. Clamp 9. Eye bolt
10. Copper washer 11. Copper washer 12. Eye bolt
13. Eye joint (assembled to high pres- sure side hose) 14. Pressure sensor
Refer to GI-8, "
Component" and the followings for the symbols in the figure.
: Apply power steering fluid.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PS-38
< SERVICE INFORMATION >
HYDRAULIC LINE
VQ35DE AWD MODEL
JSGIA0177GB
1. Reservoir tank 2. Reservoir tank bracket 3. Suction hose
4. High pressure hose 5. Power steering oil pump 6. Steering gear assembly
7. Oil cooler 8. Clamp 9. Eye bolt
10. Copper washer 11. Eye bolt 12. Copper washer
13. Oil pressure sensor
Refer to GI-8, "
Component" and the followings for the symbols in the figure.
: Apply power steering fluid.
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

HYDRAULIC LINEPS-39
< SERVICE INFORMATION >
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VK45DE AWD MODEL
Removal and InstallationINFOID:0000000001327724
VQ35DE MODELS
 Refer to PS-37, "Component" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.
JSGIA0219GB
1. Reservoir tank 2. Suction hose 3. High pressure hose
4. Oil cooler 5. Pressure sensor 6. Steering gear assembly
7. Clamp 8. Eye bolt 9. Copper washer
10. Reservoir tank bracket 11. Eye bolt
Refer to GI-8, "
Component" and the followings for the symbols in the figure.
: Apply power steering fluid.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

PS-40
< SERVICE INFORMATION >
HYDRAULIC LINE
 Confirm with mating marking that if it is in phase with hose andclamp, 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 prop-
erly. Then, tighten eye bolt by hands fully, and tighten it with a
specified torque.
 Connect harness connector into pressure sensor securely.
VK45DE MODELS
 Refer to PS-37, "Component" 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 prop-
erly. Then, tighten eye bolt by hands fully, and tighten it with a
specified torque.
SGIA0563E
SGIA0533E
SGIA0563E
SGIA0537E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C