oil INFINITI QX4 2005 Factory Manual PDF

OVERHAUL
AT-257
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Revision: October 20052005 QX56
7. Pawl shaft 8. Bracket 9. Self-sealing bolt
10. Seal ring 11. Needle bearing 12. Gasket
13. Revolution sensor 14. Parking gear 15. Output shaft
16. Bearing race 17. Needle bearing 18. Manual plate
19. Parking rod 20. Manual shaft oil seal 21. Manual shaft
22. O-ring 23. Band servo anchor end pin 24. Detent spring
25. Spacer 26. Seal rings 27. Return spring
28. O-ring 29. Servo assembly 30. Snap ring
31. Snap ring 32. Sub-harness 33. Control valve with TCM
34. Bracket 35. A/T fluid temperature sensor 2 36. Oil pan
37. Magnet 38. Drain plug 39. Drain plug gasket
40. Oil pan bolt 41. Oil pan gasket 42. Terminal cord assembly
43. O-ring 44. Retaining pin 45. Transmission case

AT-258
OVERHAUL
Revision: October 20052005 QX56
Oil ChannelECS00CL3
2WD models
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DISASSEMBLY
AT-263
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Revision: October 20052005 QX56
5. Remove O-ring from input clutch assembly.
6. Remove tightening bolts for oil pump assembly and transmis-
sion case.
7. Attach sliding hammer to oil pump assembly and extract it
evenly from transmission case.
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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AT-264
DISASSEMBLY
Revision: October 20052005 QX56
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-268
DISASSEMBLY
Revision: October 20052005 QX56
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-229, "
Removal" .
29. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
30. Straighten terminal clip to free terminal cord assembly and A/T
fluid temperature sensor 2 harness.
31. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
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DISASSEMBLY
AT-273
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Revision: October 20052005 QX56
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, etc., to get on the sensor's
front edge magnetic area.

Do not place in an area affected by magnetism.
48. Remove reverse brake snap ring (fixing plate) using 2 flat-
bladed screwdrivers.
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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DISASSEMBLY
AT-275
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Revision: October 20052005 QX56
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-258, "
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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DISASSEMBLY
AT-277
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Revision: October 20052005 QX56
63. Remove manual shaft oil seals using a flat-bladed screwdriver.
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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DISASSEMBLY
AT-279
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Revision: October 20052005 QX56
72. Remove needle bearing from rear extension (2WD models) or
adapter case (4WD models).
73. Remove rear oil seal from rear extension (2WD models) or
adapter case (4WD models).
CAUTION:
Be careful not to scratch rear extension (2WD models) or
adapter case (4WD models).
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AT-280
REPAIR FOR COMPONENT PARTS
Revision: October 20052005 QX56
REPAIR FOR COMPONENT PARTSPFP:00000
Oil PumpECS00CL6
COMPONENTS
DISASSEMBLY
1. Remove oil pump housing from oil pump cover.
2. Remove oil pump housing oil seal using a flat-bladed screw-
driver.
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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