transmission INFINITI QX56 2006 Factory Manual PDF

DISASSEMBLYAT-271
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32. Straighten terminal clips to free revolution sensor harness.
33. Remove bolts A, B and C from control valve with TCM.
34. Remove control valve with TCM from transmission case.
CAUTION:
When removing, be careful with transmission assembly ter-
minal connector and the manual valve notch and manual
plate height. Remove it vertically.
35. Remove A/T fluid temperature sensor 2 with bracket from con- trol valve with TCM.
36. Remove bracket from A/T fluid temperature sensor 2.
SCIA7023E
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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DISASSEMBLYAT-273
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a.2WD models

Self-sealing bolts (2)
i. Remove bolts for rear extension assembly and transmission case.
ii. Remove brackets (1).
iii. Tap rear extension assembly using suitable tool.
iv. Remove rear extension assembly with needle bearing from transmission case.
b. 4WD models

Self-sealing bolts (2)
i. Remove bolts for adapter case assembly and transmission case.
ii. Remove brackets (1).
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SCIA5028E
SCIA5029E
WCIA0563E

AT-274
DISASSEMBLY
Revision: November 20092006 QX56
iii. Tap adapter case assembly using suitable tool.
iv. Remove adapter case assembly with needle bearing from trans-
mission case.
v. Remove gasket from transmission case.
42. Remove bearing race from output shaft.
43. Remove output shaft from transmission case by rotating left/ right.
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SCIA5231E
SCIA5245E
SCIA5030E

DISASSEMBLYAT-275
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44. Remove parking gear from output shaft.
45. Remove seal rings from output shaft.
46. Remove needle bearing from transmission case.
47. Remove revolution sensor from transmission case.
CAUTION:

Do not subject it to impact by dropping or hitting it.

Be careful not to damage harness with the edge of case.

Do not allow metal filings or foreign material to get on the
sensor front edge magnetic area.

Do not place in an area affected by magnetism.
48. Remove reverse brake snap ring using 2 flat-bladed screwdriv- ers.
NOTE:
Press out snap ring from the transmission case oil pan side gap
using a flat-bladed screwdriver, and remove it using another
screwdriver.
49. Remove reverse brake retaining plate from transmission case.
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SCIA5209E
SCIA5213E
SCIA2320E
SCIA5032E

AT-276
DISASSEMBLY
Revision: November 20092006 QX56
50. Remove N-spring from transmission case.
51. Remove reverse brake drive plates, driven plates and dish plate
from transmission case.
52. Remove snap ring from transmission case while compressing return spring, using Tool.
53. Remove spring retainer and return spring from transmission case.
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SCIA2322E
Tool number : KV31102400 (J-34285 and J- 34285-87)
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SCIA2324E

DISASSEMBLYAT-277
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54. Remove seal rings from drum support.
55. Remove needle bearing from drum support edge surface.
56. Remove reverse brake piston from transmission case with com-
pressed air. Refer to AT- 2 5 8 , "
Oil Channel" .
CAUTION:
Care should be taken not to abruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
57. Remove D-rings from reverse brake piston.
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SCIA5047E
SCIA5340E

AT-278
DISASSEMBLY
Revision: November 20092006 QX56
58. Knock out retaining pin using suitable tool.
59. Remove manual shaft retaining pin using suitable tool.
60. Remove manual plate (with parking rod) from manual shaft.
61. Remove parking rod from manual plate.
62. Remove manual shaft from transmission case.
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SCIA5219E
SCIA5220E
SCIA5716E

DISASSEMBLYAT-279
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Revision: November 2009 2006 QX56
63. Remove manual shaft oil seals using suitable tool.
CAUTION:
Be careful not to scratch transmission case.
64. Remove detent spring and spacer from transmission case.
65. Remove snap ring from transmission case using suitable tool.
66. Remove servo assembly (with return spring) from transmission case.
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SCIA5248E
SCIA2333E
SCIA2334E

AT-300
ASSEMBLY
Revision: November 20092006 QX56
ASSEMBLYPFP:00000
Assembly (1)ECS00EQ8
1. Drive new manual shaft oil seals into the transmission case until
it is flush using suitable tool.
CAUTION:

Apply ATF to manual shaft oil seals.

Do not reuse manual shaft oil seals.
2. Install detent spring and spacer in transmission case. Tighten bolt to the specified torque. Refer to AT- 2 5 0 , "
Components" .
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
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SCIA5220E

ASSEMBLYAT-301
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5. Install manual plate (with parking rod) to manual shaft.
6. Install new retaining pin into the manual plate and manual shaft.
a. Fit pinhole of the manual plate to pinhole of the manual shaft
using suitable tool.
b. Tap the new retaining pin into the manual plate using suitable tool.
CAUTION:

Drive retaining pin to 2mm (0.8 in) over the manual plate.

Do not reuse retaining pin.
7. Install new retaining pin into the transmission case and manual shaft.
a. Fit pinhole of the transmission case to pinhole of the manual shaft using suitable tool.
b. Tap the new retaining pin into the transmission case, using suit- able tool.
CAUTION:

Drive retaining pin to 5 mm (0.20 in) over the transmis-
sion case.

Do not reuse retaining pin.
8. Install new O-rings to servo assembly. CAUTION:

Do not reuse O-rings.

Apply petroleum jelly to O-rings.
9. Install return spring to servo assembly.
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