service INFINITI QX56 2007 Factory Service Manual

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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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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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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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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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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AT-256
< SERVICE INFORMATION >
DISASSEMBLY
69. Remove parking actuator support from rear extension (2WD
models) or adapter case (4WD models).
70. Remove parking pawl (with return spring) and pawl shaft from
rear extension (2WD models) or adapter case (4WD models).
71. Remove return spring (1) from parking pawl (2).
72. Remove needle bearing from rear extension (2WD models) or
adapter case (4WD models).
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DISASSEMBLY
AT-257
< SERVICE INFORMATION >
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73. Remove rear oil seal from rear extension (2WD models) or
adapter case (4WD models) using suitable tool.
CAUTION:
Be careful not to scratch rear extension (2WD models) or
adapter case (4WD models).
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AT-258
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
REPAIR FOR COMPONENT PARTS
Oil PumpINFOID:0000000003532487
COMPONENTS
DISASSEMBLY
1. Remove oil pump housing from oil pump cover.
2. Remove oil pump housing oil seal using suitable tool.
CAUTION:
Be careful not to scratch oil pump housing.
1. O-ring 2. Oil pump cover 3. O-ring
4. Oil pump housing 5. Oil pump housing oil seal
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REPAIR FOR COMPONENT PARTS
AT-259
< SERVICE INFORMATION >
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3. Remove O-ring from oil pump housing.
4. Remove O-ring from oil pump cover.
ASSEMBLY
1. Install new O-ring to oil pump cover.
CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
2. Install new O-ring to oil pump housing.
CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
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