2005 INFINITI QX4 recommended oil

PS-28
POWER STEERING OIL PUMP
Revision: October 20052005 QX56
6. Remove snap ring from drive shaft assembly, then press out
drive shaft assembly.
CAUTION:
When removing snap ring, be careful not to damage drive
shaft assembly.
7. Using a screwdriver, remove oil seal from body assembly.
8. Remove O-ring from body assembly.
9. Remove connector bolt, then 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 assem-
bly with new one.
ASSEMBLY
CAUTION:
When retaining drive shaft assembly in a vise, always use copper or aluminum plates between vise
and shaft.
NOTE:
Mount the oil pump in a vise as needed.
1. Apply a coat of Genuine NISSAN PSF or equivalent to oil seal lip and to the circumference of oil seal.
Refer to MA-11, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
SST 0 10 B
SST 0 34 A
SGIA0524E

TRANSFER ASSEMBLY
TF-169
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: October 20052005 QX56
17. Install the thrust needle bearing race to the clutch piston.
18. Install the clutch piston to the center case as shown.
CAUTION:
Install so the fitting protrusion of clutch piston aligns with
the dent of center case.
19. Remove all the sealant from the oil pressure check port and
inside the center case.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
20. Thread the oil pressure check plug in 1 or 2 pitches and apply
sealant to the oil pressure check plug threads. Tighten to the
specified torque. Refer to TF-144, "
COMPONENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-45,
"Recommended Chemical Products and Sealants" .
CAUTION:
Do not reuse oil pressure check plug.
21. Install the snap ring to the clutch hub, using suitable tool.
CAUTION:
Do not reuse snap ring.
SDIA2189E
SDIA2190E
SMT915C
WDIA0101E

TRANSFER ASSEMBLY
TF-173
C
E
F
G
H
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MA
B
TF
Revision: October 20052005 QX56
37. Install the inner gear and outer gear in the main oil pump hous-
ing. Then, measure the side clearance. Refer to TF-163, "
Main
Oil Pump" .
38. Install the main oil pump housing, outer gear and inner gear to
the center case.
39. Install the main oil pump cover to the center case, and tighten to
the specified torque. Refer to TF-144, "
COMPONENTS" .
40. Remove all the sealant from the switch mounting area and
inside the center case.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
41. Thread the ATP switch and neutral-4LO switch in one to two
pitches and apply sealant to the threads of the switches. Tighten
to the specified torque. Refer to TF-144, "
COMPONENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-45,
"Recommended Chemical Products and Sealants" .
NOTE:

Neutral-4LO switch harness connector is gray.

ATP switch harness connector is black.
SDIA2174E
SDIA2188E
SDIA2130E
SDIA2096E

TF-178
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
18. Apply liquid gasket to the entire center case mounting surface of
the front case assembly as shown.

Use Genuine Anaerobic Liquid Gasket or equivalent.
Refer to GI-45, "
Recommended Chemical Products and
Sealants" .
CAUTION:
Remove all foreign materials such as water, oil and grease
from center case and front case mating surfaces.
19. Install the center case assembly to the front case assembly.
CAUTION:
Do not damage mainshaft end.
20. Tap the center case lightly and press-fit the front drive shaft
bearing into the front case.
21. Tighten the front case bolts to the specified torque. Refer to TF-
144, "COMPONENTS" .
CAUTION:
Be sure to install air breather hose clamp, connector
bracket and harness clip.
22. Install the drain plug with a new gasket.
CAUTION:
Do not reuse gasket.
23. Align the matching mark on the front drive shaft with the mark on
the companion flange, then install the companion flange.
WDIA0157E
SDIA2138E
SDIA2100E
SDIA2779E

TRANSFER ASSEMBLY
TF-179
C
E
F
G
H
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MA
B
TF
Revision: October 20052005 QX56
24. Install the companion flange self-lock nut. Tighten to the speci-
fied torque, using Tool. Refer to TF-144, "
COMPONENTS" .
CAUTION:
Do not reuse self-lock nut.
25. Remove all the sealant from the check plug, switch mounting
and front case.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
26. Install the check ball and check spring to the front case. Apply
silicone gasket, to the check plug and wait detection switch and
install them to the front case. Tighten to the specified torque.
Refer to TF-144, "
COMPONENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-45,
"Recommended Chemical Products and Sealants" .
NOTE:
Wait detection switch harness connector is black.
27. Install the oil seal in the front case, using Tool.
CAUTION:

Do not reuse oil seal.

Apply petroleum jelly to seal lip before installing.
28. Install the shift lever to the shift cross.
29. Install the lock pin and lock pin nut. Tighten to the specified
torque. Refer to TF-144, "
COMPONENTS" .
Rear Case
1. Apply petroleum jelly to the circumference of the rear oil seal.
Install the rear oil seal so that it is flush with the case tip face,
using Tool.
CAUTION:

Do not reuse oil seal.

Apply petroleum jelly to seal lip before installing.Tool number : KV40104000 ( — )
WDIA0219E
Tool number : ST22360002 (J-25679-01)
WDIA0158E
SDIA2182E
Tool number : ST30720000 (J-25405)
SDIA2204E

TF-180
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
2. Apply petroleum jelly to the circumference of the dust cover.
Position the dust cover using the identification mark as shown.
CAUTION:

Do not reuse dust cover.

Position the identification mark at the position shown.
3. Install the dust cover, using Tool.
4. Install the air breather into the rear case.
5. Remove all the sealant from the rear case to center case mount-
ing surfaces.
CAUTION:
Remove all foreign materials such as water, oil, and grease
from center case and rear case mating surfaces.
6. Apply liquid gasket to the entire rear case mounting surface of
the center case.

Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-45, "Recommended Chemical
Products and Sealants" .
CAUTION:
Do not to allow Liquid Gasket to enter stem bleeder hole.
7. Install the rear case to the center case. Tighten the bolts to the
specified torque. Refer to TF-144, "
COMPONENTS" .
SDIA2208E
Tool number : KV40105310 ( — )
SDIA2205E
SDIA2092E