INFINITI QX56 2006 Factory Service Manual

AT-256
OVERHAUL
Revision: November 20092006 QX56
4WD models
WCIA0565E
1. Rear oil seal2. Bracket 3. Adapter case
4. Parking actuator support 5. Parking pawl 6. Return spring

OVERHAULAT-257
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Revision: November 2009 2006 QX56
7. Pawl shaft8. Bracket9. Self-sealing bolt
10. Seal ring 11. Needle bearing12. Gasket
13. Revolution sensor 14. Parking gear15. Output shaft
16. Bearing race 17. Needle bearing18. Manual plate
19. Parking rod 20. Manual shaft oil seal21. Manual shaft
22. O-ring 23. Band servo anchor end pin 24. Detent spring
25. Spacer 26. Seal rings27. Return spring
28. O-ring 29. Servo assembly30. Snap ring
31. Snap ring 32. Sub-harness33. Control valve with TCM
34. Bracket 35. A/T fluid temperature sensor 2 36. Oil pan
37. Magnets 38. Drain plug39. Drain plug gasket
40. Oil pan bolt 41. Oil pan gasket42. Terminal cord assembly
43. O-ring 44. Retaining pin45. Transmission case

AT-258
OVERHAUL
Revision: November 20092006 QX56
Oil ChannelECS00EQ5
2WD models
SCIA5185E

OVERHAULAT-259
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Revision: November 2009 2006 QX56
4WD models
SCIA5189E

AT-260
OVERHAUL
Revision: November 20092006 QX56
Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap
Rings
ECS00EQ6
2WD models
WCIA0560E

OVERHAULAT-261
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Revision: November 2009 2006 QX56
1. Outer diameter 68 mm (2.68 in) 2. Outer diameter 182 mm (7.17 in) 3. Outer diameter 172 mm (6.77 in)
4. Outer diameter 71 mm (2.80 in) 5. Outer diameter 169 mm (6.65 in) 6. Outer diameter 134 mm (5.28 in)
7. Outer diameter 181 mm (7.13 in) 8. Outer diameter 181 mm (7.13 in) 9. Outer diameter 48 mm (1.89 in)
10. Outer diameter 80 mm (3.15 in) 11. Outer diameter 77 mm (3.03 in) 12. Outer diameter 77 mm (3.03 in)
13. Outer diameter 47 mm (1.85 in) 14. Outer diameter 84 mm (3.31 in) 15. Outer diameter 84 mm (3.31 in)
16. Outer diameter 92 mm (3.62 in) 17. Outer diameter 60 mm (2.36 in) 18. Outer diameter 63 mm (2.48 in)
19. Outer diameter 92 mm (3.62 in) 20. Outer diameter 65 mm (2.56 in) 21. Bearing race
22. Outer diameter 60 mm (2.36 in)

AT-262
OVERHAUL
Revision: November 20092006 QX56
4WD models
WCIA0561E
1. Outer diameter 68 mm (2.68 in) 2. Outer diameter 182 mm (7.17 in) 3. Outer diameter 172 mm (6.77 in)
4. Outer diameter 71 mm (2.80 in) 5. Outer diameter 169 mm (6.65 in) 6. Outer diameter 134 mm (5.28 in)

OVERHAULAT-263
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Revision: November 2009 2006 QX56
7. Outer diameter 181 mm (7.13 in) 8. Outer diameter 181 mm (7.13 in) 9. Outer diameter 48 mm (1.89 in)
10. Outer diameter 80 mm (3.15 in) 11. Outer diameter 77 mm (3.03 in) 12. Outer diameter 77 mm (3.03 in)
13. Outer diameter 47 mm (1.85 in) 14. Outer diameter 84 mm (3.31 in) 15. Outer diameter 84 mm (3.31 in)
16. Outer diameter 92 mm (3.62 in) 17. Outer diameter 60 mm (2.36 in) 18. Outer diameter 63 mm (2.48 in)
19. Outer diameter 92 mm (3.62 in) 20. Outer diameter 65 mm (2.56 in) 21. Bearing race
22. Outer diameter 60 mm (2.36 in)

AT-264
DISASSEMBLY
Revision: November 20092006 QX56
DISASSEMBLYPFP:31020
DisassemblyECS00EQ7
CAUTION:
Do not disassemble parts behind drum support. Refer to AT- 1 7 , "
Cross-Sectional View (2WD models)"
or AT- 1 8 , "Cross-Sectional View (4WD models)" .
1. Drain ATF through drain plug.
2. Remove torque converter by holding it firmly and turing while pulling straight out.
3. Check torque converter one-way clutch using check tool as shown.
a. Insert check tool into the groove of bearing support built into one-way clutch outer race.
b. While holding bearing support with check tool, rotate one- way clutch spline using suitable tool.
c. Check that inner race rotates clockwise only. If not, replace torque converter assembly.
4. Remove converter housing from transmission case. CAUTION:
Be careful not to scratch converter housing.
SCIA5010E
SCIA3171E
SCIA5171E

DISASSEMBLYAT-265
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Revision: November 2009 2006 QX56
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
To o l .
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.
SCIA5011E
SCIA2300E
Tool number : ST25850000 (J-25721-A)
SCIA5474E
SCIA5172E