INFINITI QX56 2008 Factory Service Manual

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.
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SCIA5247E
Revision: March 2010 2008 QX56

TM-276
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
32. Install output shaft in transmission case.CAUTION:
Do not mistake front of shaft for rear because both sides
look similar (thinner end is front side).
33. Install bearing race to output shaft.
34. Install rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
a. 2WD models
i. Apply recommended sealant (Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-15, "
Recommended Chemical Prod-
ucts and Sealants".) to rear extension assembly as shown.
CAUTION:
Completely remove all moisture, oil, old sealant and any
foreign material from the tr ansmission case and rear exten-
sion assembly mating surfaces.
ii. Install rear extension assembly to transmission case. CAUTION:
Insert the tip of parking rod between the parking pawl and
the parking actuator support when assembling the rear
extension assembly.
SCIA5030E
SCIA5245E
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SCIA5029E
Revision: March 2010 2008 QX56

ASSEMBLYTM-277
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
iii. Install brackets (1) and rear extension assembly bolts, self seal- ing bolts (2) and tighten to specified torque.
CAUTION:
Do not reuse self-sealing bolt.
b. 4WD models
i. Install gasket onto transmission case. CAUTION:
• Completely remove all moistu re, oil, old gasket and any
foreign material from the transmission case and adapter
case assembly mating surfaces.
• Do not reuse gasket.
ii. Install adapter case assembly to transmission case. CAUTION:
Insert the tip of parking rod between the parking pawl and
the parking actuator support when assembling the rear
extension assembly.
iii. Install bracket (1) and tighten adapter case assembly bolts and self-sealing bolts (2) to specified torque.
CAUTION:
Do not reuse self-sealing bolt (2).Rear extension as-
sembly bolt
: 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt (2) : 61 N·m (6.2 kg-m, 45 ft-lb)
WCIA0562E
SCIA5231E
SCIA5186E
Adapter case as-
sembly bolt : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt (2) : 61 N·m (6.2 kg-m, 45 ft-lb)
WCIA0563E
Revision: March 2010 2008 QX56

TM-278
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
35. Install direct clutch assembly in reverse brake.CAUTION:
Make sure that drum support edge surface and direct clutch
inner boss edge surface come to almost same place.
36. Install needle bearing in drum support. CAUTION:
Apply petroleum jelly to needle bearing.
37. Install high and low reverse clutch assembly in direct clutch.
38. Align the drive plate using suitable tool.
39. Install high and low reverse clutch hub, mid sun gear assembly and rear sun gear assembly as a unit.
SCIA5019E
SCIA5198E
SCIA2306E
SCIA3169E
SCIA5018E
Revision: March 2010 2008 QX56

ASSEMBLYTM-279
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
CAUTION:
Make sure that portion “A” of high and low reverse clutch
drum protrudes approximately 2 mm (0.08 in) beyond por-
tion “B” of rear sun gear.
40. Install needle bearing in rear carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
41. Install bearing race in rear carrier assembly. CAUTION:
Apply petroleum jelly to bearing race.
42. Install rear carrier assembly in direct clutch drum.
SCIA3130E
SCIA2803E
SCIA5175E
SCIA2462E
Revision: March 2010 2008 QX56

TM-280
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
43. Install needle bearing (rear side) to mid carrier assembly.CAUTION:
Apply petroleum jelly to needle bearing.
44. Install needle bearing (front side) to mid carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
45. Install mid carrier assembly in rear carrier assembly.
46. Install front carrier assembly, input clutch assembly and rear internal gear as a unit.
47. Install seal rings in input clutch assembly. CAUTION:
• Do not reuse seal rings.
• Apply petroleum jelly to seal rings.
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SCIA2805E
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SCIA5015E
SCIA2470E
Revision: March 2010 2008 QX56

ASSEMBLYTM-281
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
48. Install band servo anchor end pin and lock nut in transmission case.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Install it so that the identificat ion to avoid incorrect installa-
tion faces the servo side.
50. Install front sun gear to front carrier assembly. CAUTION:
Apply ATF to front sun gear bearing and 3rd one-way clutch
end bearing.
51. Install needle bearing to front sun gear. CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using a clip so that brake band contacts front sun gear drum evenly.
SCIA6512E
SCIA5498E
SCIA5014E
SCIA2808E
SCIA5033E
Revision: March 2010 2008 QX56

TM-282
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
53. Adjust brake band.
a. Loosen lock nut.
b. Tighten band servo anchor end pin to specified torque.
c. Back off band servo anchor end pin three turns.
d. Holding band servo anchor end pin, tighten lock nut to specifiedtorque.
AdjustmentINFOID:0000000004917903
TOTAL END PLAY
• Measure clearance between front sun gear and bearing race for oilpump cover.
• Select proper thickness of bearing race so that end play is within specifications.
1. Measure dimensions “K” and “L” and then calculate dimension “J”.
a. Measure dimension “K”. Anchor end pin : 5.0 N·m (0.51 kg-m, 44 in-lb)
Lock nut : 46 N·m (4.7 kg-m, 34 ft-lb)
SCIA5498E
SCIA2810E
SCIA5350E
SCIA5351E
Revision: March 2010
2008 QX56

ASSEMBLYTM-283
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
b. Measure dimension “L”.
c. Calculate dimension “J”.
2. Measure dimensions “M
1” and “M2” and then calculate dimen-
sion “M”.
a. Place bearing race and needle bearing on oil pump assembly.
b. Measure dimension “M
1”.
c. Measure dimension “M
2”.
“J”: Distance between oil
pump fitting surface of
transmission case and need le bearing mating surface
of front sun gear.
J = K – L
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Revision: March 2010 2008 QX56