2008 INFINITI QX56 4WD

TM-228
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
4WD models
SCIA5189E
Revision: March 20102008 QX56

TM-230
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
VK56DE models 4WD
10. Outer diameter 80 mm (3.15 in) 11. Outer diameter 77 mm (3.03 in) 12. Outer diameter 77 mm (3.03 in)
13. Outer diameter 47 mm (1.85 in) 14. Outer diameter 84 mm (3.31 in) 15. Outer diameter 84 mm (3.31 in)
16. Outer diameter 92 mm (3.62 in) 17. Outer diameter 60 mm (2.36 in) 18. Outer diameter 63 mm (2.48 in)
19. Outer diameter 92 mm (3.62 in) 20. Outer diameter 65 mm (2.56 in) 21. Bearing race
22. Outer diameter 60 mm (2.36 in)
WCIA0561E
Revision: March 20102008 QX56

DISASSEMBLYTM-241
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
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TM
N
O P
43. Remove rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
a. 2WD models
i. Remove bolts and brackets (1) From rear extension assembly and transmission case.
• Self-sealing bolts (2)
ii. Tap rear extension assembly with soft hammer.
iii. Remove rear extension assembly (with needle bearing) from transmission case.
WCIA0562E
SCIA5028E
SCIA5029E
Revision: March 2010 2008 QX56

TM-242
< DISASSEMBLY AND ASSEMBLY >
DISASSEMBLY
b.4WD models
i. Remove adapter case to transmission case bolts and terminal brackets (1).
• Self-sealing bolt (2)
ii. Tap adapter case assembly using suitable tool.
iii. Remove adapter case assembly (with needle bearing) from transmission case.
iv. Remove gasket from transmission case.
WCIA0563E
SCIA5201E
SCIA5186E
SCIA5231E
Revision: March 2010 2008 QX56

TM-248
< DISASSEMBLY AND ASSEMBLY >
DISASSEMBLY
69. Remove return spring from servo assembly.
70. Remove O-rings from servo assembly.
71. Remove needle bearing (1) from rear extension (2WD models)or adapter case (4WD models).
72. Remove parking actuator support from rear extension (2WD models) or adapter case (4WD models).
73. Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD models) or adapter case (4WD models).
SCIA5717E
SCIA5719E
SCIA6179J
SCIA3423E
SCIA3424E
Revision: March 2010 2008 QX56

DISASSEMBLYTM-249
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
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J
K L
M A
B
TM
N
O P
74. Remove return spring (1) from parking pawl (2).
75. Remove rear oil seal from rear extension (2WD models) or adapter case (4WD models) using suitable tool.
CAUTION:
Do not scratch rear extension (2WD models) or adapter
case (4WD models).
SCIA6180J
SCIA5272E
Revision: March 2010 2008 QX56

TM-274
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
23. Install needle bearing to transmission case.CAUTION:
• Take care with the direction of needle bearing. Refer toTM-229, "
Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings".
• Apply petroleum jelly to needle bearing.
24. Install output speed sensor (1) to transmission case and tighten bolt to specified torque.
CAUTION:
• Do not subject sensor to impact by dropping or hitting it.
• Do not disassemble sensor.
• Do not allow metal filings or any foreign material to get on
the sensor's front edge magnetic area.
• Do not place sensor in an area affected by magnetism.
25. Install new rear oil seal until it is flush into the rear extension case (2WD models) using Tool or adapter case (4WD models)
using suitable tool.
CAUTION:
• Apply ATF to rear oil seal.
• Do not reuse rear oil seal.
26. Install return spring (1) to parking pawl (2).
SCIA5031E
Output speed sensor
bolt : 5.8 N·m (0.59 kg-m, 51 in-lb)
JSDIA1321ZZ
Tool number : ST33400001 (J-26082)
WCIA0475E
SCIA6180J
Revision: March 2010
2008 QX56

ASSEMBLYTM-275
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
27. Install parking pawl (with return spring) and pawl shaft to rear extension (2WD models) or adapter case (4WD models).
28. Install parking actuator support to rear extension (2WD models) or adapter case (4WD models).
29. Install needle bearing (1) to rear extension (2WD models) or adapter case (4WD models).
CAUTION:
Apply petroleum jelly to needle bearing.
30. Install seal rings to output shaft. CAUTION:
• Do not reuse seal rings.
• Apply petroleum jelly to seal rings.
31. Install parking gear to output shaft.
SCIA3424E
SCIA3423E
SCIA6179J
SCIA5209E
SCIA5247E
Revision: March 2010 2008 QX56