2009 INFINITI QX56 transmission oil

TM-226
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
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. Magnets 38. Drain plug 39. Drain plug gasket
40. Oil pan bolt 41. Oil pan gasket 42. A/T assembly harness connector
43. O-ring 44. Retaining pin 45. Transmission case
Revision: December 20092009 QX56

DISASSEMBLYTM-233
< DISASSEMBLY AND ASSEMBLY >
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5. Remove O-ring from input clutch assembly.
6. Remove oil pump assembly to transmission case bolts.
7. Remove the oil pump assembly evenly from the transmission case using Tools.
CAUTION:
 Fully tighten the sliding hammer screws.
 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)
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SCIA5172E
Revision: December 20092009 QX56

DISASSEMBLYTM-243
< DISASSEMBLY AND ASSEMBLY >
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47. Remove seal rings from output shaft.
48. Remove needle bearing from transmission case.
49. Remove output speed sensor from transmission case. CAUTION:
 Do not subject it to impact by dropping or hitting it.
 Do not disassemble.
 Do not allow metal filings or any foreign material to get on
the sensor's front edge magnetic area.
 Do not place in an area affected by magnetism.
50. Remove reverse brake snap ring using two flat-bladed screw- drivers.
NOTE:
Press out snap ring from the transmission case oil pan side gap
using a flat-bladed screwdriver, and remove it using a another
screwdriver.
51. Remove reverse brake retaining plate from transmission case.  Check facing for burns, cracks or damage. If necessary,replace the plate.
52. Remove N-spring from transmission case.
SCIA5209E
SCIA5031E
SCIA2320E
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Revision: December 20092009 QX56

DISASSEMBLYTM-245
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58. Remove reverse brake piston from transmission case using compressed air. Refer to TM-227, "Oil Channel"
.
CAUTION:
Care should be taken not to abruptly blow air. It makes the
piston incline, and as a result , it becomes hard to disas-
semble the pistons.
59. Remove D-rings from reverse brake piston.
60. Knock out retaining pin using suitable tool.
61. Remove manual shaft retaining pin using suitable tool.
SCIA5047E
SCIA6330E
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Revision: December 20092009 QX56

TM-246
< DISASSEMBLY AND ASSEMBLY >
DISASSEMBLY
62. Remove manual plate (with parking rod) from manual shaft.
63. Remove parking rod from manual plate.
64. Remove manual shaft from transmission case.
65. Remove manual shaft oil seals using suitable tool.CAUTION:
Do not scratch transmission case.
66. Remove detent spring and spacer from transmission case.
SCIA5715E
SCIA5220E
SCIA5716E
SCIA2331E
SCIA5248E
Revision: December 20092009 QX56

TM-268
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
ASSEMBLY
Assembly (1)INFOID:0000000004187496
1. Drive manual shaft oil seals into the transmission case until theyare 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 and secure with the bolt.
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
SCIA5259E
Bolt : 7.9 N·m (0.81 kg-m, 70 in-lb)
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SCIA5716E
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Revision: December 20092009 QX56

ASSEMBLYTM-273
< DISASSEMBLY AND ASSEMBLY >
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23. Install needle bearing to transmission case. CAUTION:
 Take care with the direction of needle bearing. Refer toTM-229, "Location of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings".
 Apply petroleum jelly to needle bearing.
24. Install output speed sensor to transmission case and tighten bolt to specified torque.
CAUTION:
 Do not subject sensor to impact by dropping or hitting it.
 Do not disassemble sensor.
 Do not allow metal filings or any foreign material to get on
the sensor's front edge magnetic area.
 Do not place sensor in an area affected by magnetism.
25. Install new rear oil seal until it is flush into the rear extension case (2WD models) using Tool or adapter case (4WD models)
using suitable tool.
CAUTION:
 Apply ATF to rear oil seal.
 Do not reuse rear oil seal.
26. Install return spring (1) to parking pawl (2).
SCIA5031E
Output speed sensor
bolt : 5.8 N·m (0.59 kg-m, 51 in-lb)
SCIA2320E
Tool number : ST33400001 (J-26082)
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Revision: December 20092009 QX56

ASSEMBLYTM-275
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32. Install output shaft in transmission case. CAUTION:
Do not mistake front of shaft for rear because both sides
look similar (thinner end is front side).
33. Install bearing race to output shaft.
34. Install rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
a. 2WD models
i. Apply recommended sealant (Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-15, "Recommended Chemical Prod-
ucts and Sealants".) to rear extension assembly as shown.
CAUTION:
Completely remove all moisture, oil, old sealant and any
foreign material from the transmission case and rear exten-
sion assembly mating surfaces.
ii. Install rear extension assembly to transmission case. CAUTION:
Insert the tip of parking rod between the parking pawl and
the parking actuator suppor t when assembling the rear
extension assembly.
SCIA5030E
SCIA5245E
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SCIA5029E
Revision: December 20092009 QX56