2011 INFINITI QX56 manual transmission

TRANSMISSION ASSEMBLYTM-215
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
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K L
M A
B
TM
N
O P
16. Reverse brake piston 17. D-ring 18. D-ring
Refer to GI-4, "
Components" for symbols in the figure.
1. Parking rod 2. Manual plate 3. Manual shaft
4. Retaining pin 5. Detent spring 6. Oil seal
7. Bracket 8. O-ring 9. Self-sealing bolt
10. Baffle plate 11. O-ring 12. Seal ring
JSDIA1842GB
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-221
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
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O P
1. Parking rod 2. Manual plate 3. Manual shaft
4. Retaining pin 5. Detent spring 6. Oil seal
7. Bracket 8. O-ring 9. Self-sealing bolt
10. Baffle plate 11. O-ring 12. Seal ring
13. Snap ring 14. Oil pan gasket 15. Oil pan
16. Clip 17. Oil pan mounting bolt 18. Overflow plug
19. Drain plug 20. Drain plug gasket 21. Magnet
22. Clip 23. Control valve & TCM 24. Joint connector
25. Transmission case 26. Retaining pin 27. Output speed sensor
28. Gasket 29. Needle bearing 30. Parking gear
31. Seal ring 32. Output shaft 33. Bearing race
Refer to GI-4, "
Components" for symbols in the figure.
1. Parking actuator support 2. Parking pawl 3. Pawl shaft
4. Return spring 5. Needle bearing 6. Adapter case
7. Self-sealing bolt 8. Rear oil seal 9. Bracket
Refer to GI-4, "
Components" for symbols in the figure.
JSDIA1766GB
Revision: 2010 May2011 QX56

TM-234
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
38. Remove control valve & TCM mounting bolts and clip (1) from
the control valve & TCM.
*: Reamer bolt
39. Remove the control valve & TCM (1) from transmission case.CAUTION:
When removing, never with the manual valve notch and
manual plate height. Remove it vertically.
40. Remove joint connector (1) from the control valve & TCM using a flat-bladed screwdriver (A).
41. Disconnect TCM connector (A). CAUTION:
Be careful not to damage connector.
42. Remove rear extension assembly (2WD) or adapter ca se assembly (4WD) according to the following pro-
cedures.
a. 2WD
: Front
Bolt symbol Length mm (in) Number of bolts A 43 (1.69) 3
B 40 (1.57) 2
C 54 (2.13) 6
D 50 (1.97) 2
E* 50 (1.97) 1
JPDIA1105ZZ
JSDIA1823ZZ
JSDIA1718ZZ
JSDIA1813ZZ
Revision: 2010 May2011 QX56

TM-240
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
52. Remove needle bearing from drum support edge surface.
53. Remove reverse brake piston (1) from transmission case with
compressed air. Refer to TM-222, "
Oil Channel".
CAUTION:
Care should be taken not to ab ruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
54. Remove D-rings from reverse brake piston.
55. Remove manual shaft retaining pin with pair of nippers. CAUTION:
Be careful not to cut retaining pin.
SCIA2796E
A : Reverse brake pressure hole
JSDIA1819ZZ
SCIA6330E
SCIA2329E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-241
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
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K L
M A
B
TM
N
O P
56. Remove manual plate (1) from detent spring (2).
57. Remove parking rod (3) from manual plate.
58. Install manual plate to detent spring.
59. Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to knock out retaining pin (1).
60. Remove manual plate from manual shaft.
61. Remove manual shaft from transmission case.
62. Remove manual shaft oil seals using a flat-bladed screwdriver. CAUTION:
Be careful not to scratch transmission case.
JPDIA1131ZZ
JPDIA1132ZZ
SCIA5715E
SCIA5716E
SCIA2331E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-243
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
68. Remove rear oil seal from rear extension (B) or adapter case (C) using a flat-bladed screwdriver (A).
CAUTION:
Be careful not to scratch adapter case.
AssemblyINFOID:0000000006226918
1. As shown in the figure, use a drift [22 mm (0.87 in) dia. commer-cial service tool] to drive manual shaft oil seals into the transmis-
sion case until it is flush.
CAUTION:
 Never reuse manual shaft oil seals.
 Apply ATF to manual shaft oil seals.
2. Install detent spring to transmission case. Tighten detent spring bolt to the specified torque.
B: 2WD
C: 4WD
JSDIA0157ZZ
SCIA5259E
: Bolt
JPDIA1134ZZ
Revision: 2010 May2011 QX56

TM-244
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
3. Install manual shaft to transmission case.
4. Install parking rod (1) to manual plate (2).
5. Install manual plate (with parking rod) to manual shaft.
6. Install retaining pin (1) into the manual plate and manual shaft.
a. Fit pinhole of the manual plate to pinhole of the manual shaft
with a pin punch.
b. Use a hammer to tap the retaining pin into the manual plate.
CAUTION:
Drive retaining pin to 2 ±0.5 mm (0.08 ±0.020 in) over the
manual plate.
7. Install retaining pin into the transmission case and manual shaft.
a. Fit pinhole of the transmission case to pinhole of the manual shaft with a pin punch.
b. Use a hammer to tap the retaining pin into the transmission case.
CAUTION:
Drive retaining pin to 5 ±1 mm (0.20 ±0.04 in) over the trans-
mission case.
SCIA5716E
JSDIA1820ZZ
SCIA5715E
A : Approx. 2 mm (0.08in)
JPDIA1133ZZ
SCIA2427E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-265
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
 Make sure that input speed sen sor securely installs input
speed sensor holes (A).
 Hang down output speed sensor harness toward outside
so as not to disturb installa tion of the control valve &
TCM.
 Adjust A/T assembly harness connector of the control
valve & TCM to terminal ho le of transmission case.
 Assemble it so that manual valve cutout is engaged with manual plate projection.
64. Install bolts and clip (1) to the control valve & TCM. Tighten bolt (E) to the specified torque before tightening the other than bolts.
*: Reamer bolt
65. Connect output speed sensor connector (A).
66. Engage output speed sensor harness with terminal clips ( ).
JPDIA1106ZZ
SCIA5035E
: Front
Bolt symbol Length mm (in) Number of bolts A 43 (1.69) 3
B 40 (1.57) 2
C 54 (2.13) 6
D 50 (1.97) 2
E* 50 (1.97) 1
JPDIA1105ZZ
JPDIA1104ZZ
Revision: 2010 May2011 QX56