2007 INFINITI QX56 transmission

DISASSEMBLY
AT-249
< SERVICE INFORMATION >
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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).
iii. Tap adapter case assembly using suitable tool.
iv. Remove adapter case assembly with needle bearing from trans-
mission case.
SCIA5029E
WCIA0563E
SCIA5205E

AT-250
< SERVICE INFORMATION >
DISASSEMBLY
v. Remove gasket from transmission case.
42. Remove bearing race from output shaft.
43. Remove output shaft from transmission case by rotating left/
right.
44. Remove parking gear from output shaft.
45. Remove seal rings from output shaft.
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SCIA5209E

DISASSEMBLY
AT-251
< SERVICE INFORMATION >
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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.
50. Remove N-spring from transmission case.
51. Remove reverse brake drive plates, driven plates and dish plate
from transmission case.
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AT-252
< SERVICE INFORMATION >
DISASSEMBLY
52. Remove snap ring from transmission case while compressing
return spring, using Tool.
53. Remove spring retainer and return spring from transmission
case.
54. Remove seal rings from drum support.
55. Remove needle bearing from drum support edge surface.Tool number : KV31102400 (J-34285 and J- 34285-87)
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SCIA3333E
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DISASSEMBLY
AT-253
< SERVICE INFORMATION >
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56. Remove reverse brake piston from transmission case with com-
pressed air. Refer to AT-235, "
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.
58. Knock out retaining pin using suitable tool.
59. Remove manual shaft retaining pin using suitable tool.
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SCIA5340E
SCIA2328E
SCIA5218E

AT-254
< SERVICE INFORMATION >
DISASSEMBLY
60. Remove manual plate (with parking rod) from manual shaft.
61. Remove parking rod from manual plate.
62. Remove manual shaft from transmission case.
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.
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SCIA5716E
SCIA5355E
SCIA5248E

DISASSEMBLY
AT-255
< SERVICE INFORMATION >
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65. Remove snap ring from transmission case using suitable tool.
66. Remove servo assembly (with return spring) from transmission
case.
67. Remove return spring from servo assembly.
68. Remove O-rings from servo assembly.
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SCIA2334E
SCIA5717E
SCIA5719E

ASSEMBLY
AT-277
< SERVICE INFORMATION >
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ASSEMBLY
Assembly (1)INFOID:0000000003532493
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-228, "
Component".
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
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