2011 INFINITI QX56 4WD

TM-216
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
4WD MODELS
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. Needle bearing 29. Parking gear 30. Seal ring
31. Output shaft 32. 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. Rear extension
7. Self-sealing bolt 8. Rear oil seal 9. Bracket *: Apply Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-22, "
Recommended Chemical Products and Sealants".
Refer to GI-4, "
Components" for symbols in the figure.
JSDIA1841GB
Revision: 2010 May2011 QX56

TM-224
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
4WD MODELS
L (17) Needle bearing 65 (2.559)
M (18) Bearing race 58 (2.362)
(19) Needle bearing 58 (2.283)
Location Item Outer diameter mm (in)
JSDIA1732ZZ
Location Item Outer diameter mm (in)
A (1) Needle bearing 94 (3.701)
B (2) Bearing race
58.6 (2.307)
(3) Needle bearing 60 (2.362)
C (4) Needle bearing 84.6 (3.331)
D (5) Needle bearing 77 (3.031) E (6) Needle bearing 47 (1.850)
F (7) Needle bearing 84 (3.307)
(8) Bearing race 82 (3.228)
G (9) Needle bearing 80 (3.150) H (10) Needle bearing 92 (3.622)
Revision: 2010 May2011 QX56

TM-226
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
4WD MODELS
DisassemblyINFOID:0000000006226917
CAUTION:
Never disassemble parts behind
drum support. Refer to TM-16, "
TRANSMISSION : Cross-Sectional
View".
1. Drain ATF through drain plug.
12 B 135 (5.315)
13 A 48.4 (1.906)
Location Shape of snap ring Outer diameter mm (in)
Location Shape of snap ring Outer diameter mm (in)
1 A 159.9 (6.295)
2 B 159 (6.260)
3 B 216 (8.504)
4 B 180.4 (7.102)
5 C 171.5 (6.752)
6 B 169 (6.654)
7 B 180.5 (7.106)
8 B 181.0 (7.126)
9 D 64.6 (2.543)
10 B 136 (5.354) 11 E 70.5 (2.776)
12 B 135 (5.315)
13 A 48.4 (1.906)
JSDIA1734ZZ
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-236
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
vi. Remove parking gear (1) from output shaft (2).
vii. Remove seal rings (1) from output shaft.
b.
4WD
i. Remove tightening bolts for adapter case assembly and trans- mission case.
JPDIA0029ZZ
JPDIA0030ZZ
1: Bracket
A: Bolt
B : Self-sealing bolt
JPDIA1155ZZ
Revision: 2010 May2011 QX56

TM-242
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
63. Remove detent spring (1) from transmission case.
64. Remove needle bearing (1) from rear extension (2WD) or
adapter case (4WD).
65. Remove parking actuator support from rear extension (2WD) or adapter case (4WD).
66. Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD) or adapter case (4WD).
67. Remove return spring (1) from parking pawl (2).
: Bolt
JPDIA1134ZZ
SCIA6179J
SCIA3423E
SCIA3424E
SCIA6180J
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-248
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
21. As shown in the figure, use the drift to drive rear oil seal into the
rear extension (2WD) (A) or adapter case (4WD) (B) until it is
flush.
CAUTION:
 Never reuse rear oil seal.
 Apply ATF to rear oil seal.
22. Install return spring (1) to parking pawl (2).
23. Install parking pawl (with return spring) and pawl shaft to rear extension (2WD) or adapter case (4WD).
24. Install parking actuator support to rear extension (2WD) or adapter case (4WD).
1 : Drift [SST: 33400001 (J-26082)]
2 : Drift [Commercial service tool Ø64 mm (2.52 in)]
JSDIA1914ZZ
SCIA6180J
SCIA3424E
SCIA3423E
Revision: 2010 May2011 QX56