2007 INFINITI QX56 oil

DISASSEMBLY
AT-241
< SERVICE INFORMATION >
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5. Remove O-ring from input clutch assembly.
6. Remove bolts for oil pump assembly and transmission case.
7. Extract oil pump assembly evenly from transmission case using
Tool.
CAUTION:
• Fully tighten sliding hammer screw.
• Make sure that bearing race is installed to the oil pump
assembly edge surface.
8. Remove O-ring from oil pump assembly.
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Tool number : ST25850000 (J-25721-A)
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AT-242
< SERVICE INFORMATION >
DISASSEMBLY
9. Remove bearing race from oil pump assembly.
10. Remove needle bearing from front sun gear assembly.
11. Remove front sun gear assembly from front carrier assembly.
NOTE:
Remove front sun gear assembly by rotating left/right.
12. Remove seal rings from input clutch assembly.
13. Remove front carrier assembly, input clutch assembly and rear
internal gear as a unit.
CAUTION:
Be careful to remove it with needle bearing.
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AT-246
< SERVICE INFORMATION >
DISASSEMBLY
27. Push A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
28. Remove oil pan and oil pan gasket. Refer to AT-209, "
Oil Pan".
29. Disconnect A/T fluid temperature sensor 2 connector (A).
CAUTION:
Be careful not to damage connector.
30. Straighten the four terminal clips to free terminal cord assembly
and A/T fluid temperature sensor 2 harness.
• : Terminal clip
31. Straighten terminal clip to free revolution sensor harness.
32. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
33. Remove bolts (A), (B) and (C) from control valve with TCM.
• : Front
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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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DISASSEMBLY
AT-251
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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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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-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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