4WD INFINITI QX56 2008 Factory Service Manual

AIR BREATHER HOSETM-197
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AIR BREATHER HOSE
Removal and InstallationINFOID:0000000004917433
VK56DE Models 2WD
CAUTION:
• Install air breather hose with paint mark at upper side.
• When installing the air breather hose, do not crush or block by folding or bending the hose.
• When inserting the hose to the tran smission tube, be sure to insert it fully until its end reaches the
tube bend portion.
• Make sure clip is securely installed to bracket.
VK56DE Models 4WD
LCIA0331E
Revision: March 2010 2008 QX56

REAR OIL SEALTM-213
< ON-VEHICLE REPAIR >
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REAR OIL SEAL
Rear Oil SealINFOID:0000000004917436
REMOVAL AND INSTALLATION
Removal
1. Remove rear propeller shaft. Refer to DLN-194, "Removal and Installation".
2. Remove transfer from transmission (4WD models). Refer to DLN-139, "
Removal and Installation".
3. Remove rear oil seal using suitable tool. CAUTION:
Do not scratch rear extension assembly (2WD models) or
adapter case assembly (4WD models).
Installation
1. Install new rear oil seal until it is flush into the rear extensioncase (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.
2. Install transfer to transmission (4WD models). Refer to DLN-
139, "Removal and Installation".
3. Install rear propeller shaft. Refer to DLN-194, "
Removal and
Installation".
4. Check the A/T fluid level and for fluid leakage. Refer to TM-178,
"Checking the A/T Fluid (ATF)".
SCIA5254E
Tool number : ST33400001 (J-26082)
WCIA0475E
Revision: March 2010 2008 QX56

TM-216
< REMOVAL AND INSTALLATION >
TRANSMISSION ASSEMBLY
• When installing transmission to the engine, attach the bolts in the order as shown.CAUTION:
• When replacing an engine or transmission you must make
sure the dowels are installe d correctly during re-assembly.
• Improper alignment caused by missing dowels may cause
vibration, oil leaks or breakage of drivetrain components.
NOTE:
*: No.2 bolt also secures air breather vent.
CAUTION:
• When turning crankshaft, turn it clockwi se as viewed from the front of the engine.
• After converter is installed to drive plate, rota te crankshaft several turns and check to be sure that
transmission rotates fr eely without binding.
NOTE:
• Align the positions of bolts for drive plate with those of the torque converter, and temporarily tighten the bolts. Then tighten the bolts
with the specified torque.
• Install crankshaft pos ition sensor (POS).
• After completing installation check fluid leakage, fluid level and the positions of A/T. Refer to TM-178, "
Checking the A/T Fluid (ATF)",
TM-194, "
Checking of A/T Position" and TM-194, "Adjustment of A/
T Position".
Removal and Installation (4WD)INFOID:0000000004917499
COMPONENTS
Transmission to engine bolts : 113 N·m (12 kg-m,
83 ft-lb)
LCIA0371E
LCIA0335E
Revision: March 2010 2008 QX56

TM-224
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
VK56DE models for 4WD
16. Bearing race17. Needle bearing18. Manual plate
19. Parking rod 20. Manual shaft oil seal 21. Manual shaft
22. O-ring 23. Band servo anchor end pin 24. Detent spring
25. Spacer 26. Seal ring27. Return spring
28. O-ring 29. Servo assembly30. Snap ring
31. Snap ring 32. Sub-harness33. Control valve with TCM
34. Bracket 35. A/T fluid temperature sensor 2 36. Terminal cord assembly
37. O-ring 38. Retaining pin39. Transmission case
*: Apply Genuine Anaerobic Liquid Gasket or equivalent.
Revision: March 2010 2008 QX56

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
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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
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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