INFINITI QX56 2006 Factory Service Manual

AT-306
ASSEMBLY
Revision: November 20092006 QX56
26. Install return spring (1) to parking pawl (2).
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 to rear extension (2WD models) or adapter case (4WD models).
CAUTION:
Apply petroleum jelly to needle bearing.
30. Install new seal rings to output shaft. CAUTION:

Do not reuse seal rings.

Apply petroleum jelly to seal rings.
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ASSEMBLYAT-307
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Revision: November 2009 2006 QX56
31. Install parking gear to output shaft.
32. Install output shaft in transmission case.
CAUTION:
Be careful not to mistake front for rear because both sides
looks similar. (Thinner end is front side.)
33. Install bearing race in 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) to rear extension assembly as shown. Refer to GI-
46, "RECOMMENDED CHEMICAL PRODUCTS AND SEAL-
ANTS" .
CAUTION:
Completely remove all moisture, oil and old sealant from
the transmission case and rear extension assembly mating
surfaces.
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AT-308
ASSEMBLY
Revision: November 20092006 QX56
ii. Install rear extension assembly to transmission case.
iii. Install brackets (1).
iv. Tighten rear extension assembly bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolts (2).
b. 4WD models
i. Install new gasket to transmission case. CAUTION:

Do not reuse gasket.

Completely remove all moisture, oil and old gasket from
the transmission case and adapter case assembly mating
surfaces.
ii. Install adapter case assembly to transmission case.
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Rear extension assembly bolts : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolts : 61 N·m (6.2 kg-m, 45 ft-lb)
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ASSEMBLYAT-309
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Revision: November 2009 2006 QX56
iii. Install brackets (1).
iv. Tighten adapter case assembly bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolts (2).
35. Install needle bearing in drum support edge surface. CAUTION:
Apply petroleum jelly to needle bearing.
36. Install direct clutch assembly in reverse brake.
37. Install high and low reverse clutch assembly in direct clutch assembly.Adapter case assembly bolts : 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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AT-310
ASSEMBLY
Revision: November 20092006 QX56
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.
CAUTION:
Check that portion A of high and low reverse clutch drum
protrudes approximately 2 mm (0.08 in) beyond portion B of
rear sun gear.
40. Install needle bearing in rear carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
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ASSEMBLYAT-311
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Revision: November 2009 2006 QX56
41. Install bearing race in rear carrier assembly.
CAUTION:
Apply petroleum jelly to bearing race.
42. Install rear carrier assembly in direct clutch drum.
43. Install needle bearing (rear side) in mid carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
44. Install needle bearing (front side) in mid carrier assembly. CAUTION:
Apply petroleum jelly to needle bearing.
45. Install mid carrier assembly in rear carrier assembly.
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AT-312
ASSEMBLY
Revision: November 20092006 QX56
46. Install front carrier assembly, input clutch assembly and rear
internal gear as a unit.
47. Install new seal rings in input clutch assembly. CAUTION:

Do not reuse seal rings.

Apply petroleum jelly to seal rings.
48. Install new band servo anchor end pin and lock nut in transmis- sion case.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Assemble it so that identification to avoid incorrect installa-
tion faces servo side.
50. Install front sun gear assembly to front carrier assembly. CAUTION:
Apply ATF to front sun gear radial bearing and 3rd one-way
clutch end bearing.
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ASSEMBLYAT-313
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Revision: November 2009 2006 QX56
51. Install needle bearing in front sun gear assembly.
CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using clips so that brake band contacts front sun gear drum evenly.
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. Refer to AT- 2 5 0 , "
Components" .
AdjustmentECS00EQ9
TOTAL END PLAY

Measure clearance between front sun gear and bearing race for
oil pump cover.

Select proper thickness of bearing race so that end play is within
specifications.
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Band servo anchor end pin : 5.0 N·m (0.51 kg-m,
44 in-lb)
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AT-314
ASSEMBLY
Revision: November 20092006 QX56
1. Measure dimensions “K” and “L” and then calculate dimension
“J ”.
a. Measure dimension “K ”.
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.
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“J”: Distance between oil pump fitting surface of
transmission case and needle bearing mating surface
of front sun gear. J = K – L
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ASSEMBLYAT-315
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Revision: November 2009 2006 QX56
b. Measure dimension “M1 ”.
c. Measure dimension “M
2 ”.
d. Calculate dimension “M”.
3. Adjust total end play “T
1 ”.

Select proper thickness of bearing race so that total end play
is within specifications.
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“M”: Distance between transmission case fitting sur-
face of oil pump and needle bearing on oil pump.
M = M
1 – M2
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T1 = J – M
Total end play “T
1 ”:
0.25 - 0.55 mm (0.0098 - 0.0217 in)
Bearing races: Refer to AT- 3 2 5 , "
BEARING RACE FOR ADJUST-
ING TOTAL END PLAY" .SCIA2810E