INFINITI QX56 2010 Factory Service Manual

TM-246
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
Take care with order of plates.
• Snap ring (1)
• Retaining plate (2)
• Drive plate (3)
• Driven plate (4)
• Dish plate (5)
• Driveplate/Driven plate: 7/7
19. Assemble N-spring.
20. Install reverse brake retaining plate in transmission case.
21. Install snap ring in transmission case.
22. Measure clearance (A) between retaining plate and snap ring. If not within specified clearance, select proper retaining plate.
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Clearance “A” : 0.7 - 1.1mm (0.028 - 0.043 in)
Retaining plate : Refer to TM-266, "
Reverse
Brake".
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Revision: April 20092010 QX56

ASSEMBLYTM-247
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
23. Install needle bearing to transmission case. CAUTION:
• Take care with the direction of needle bearing. Refer toTM-201, "
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).
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Output speed sensor bolt : 5. 8 N·m (0.59 kg-m, 51 in-lb)
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Tool number : ST33400001 (J-26082)
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Revision: April 20092010 QX56

TM-248
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
27. Install parking pawl (with return spring) and pawl shaft to rearextension (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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Revision: April 20092010 QX56

ASSEMBLYTM-249
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
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 moistu re, oil, old sealant and any
foreign material from the transmission 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.
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TM-250
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
iii. Install brackets (1) and tighten rear extension assembly boltsand (2 self-sealing bolts) 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 (2) and tighen adapter case assembly bolts (1) and (3) to specified torque.
CAUTION:
Do not reuse self-sealing bolt (3).Rear extension
assembly bolt
: 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m, 45 ft-lb)
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Adapter case
assembly bolt : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m, 45 ft-lb)
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Revision: April 20092010 QX56

ASSEMBLYTM-251
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
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.
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TM-252
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
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.
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Revision: April 20092010 QX56

ASSEMBLYTM-253
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
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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TM-254
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
48. Install band servo anchor end pin and lock nut in transmissioncase.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Install it so that the identification 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.
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Revision: April 20092010 QX56

ASSEMBLYTM-255
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
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 specified torque.
AdjustmentINFOID:0000000005148756
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)
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Revision: April 20092010 QX56