2010 INFINITI QX56 manual transmission

TM-178
< ON-VEHICLE REPAIR >
CONTROL VALVE WITH TCM
i. Install new O-ring (1) in plug (2).CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
• O-ring should be free of contamination.
ii. Install plug (2) to bracket (1).
iii. Install plug (1) [with bracket (2)] to control valve with TCM. Tighten plug bolt ( ) to the specified torque.
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
6. Install control valve with TCM in transmission case. CAUTION:
• Make sure that input speed sensor is securely installedinto input speed sensor hole (A).
• Hang down output speed sen sor harness toward outside
so as not to disturb installati on of control valve with TCM.
• Adjust A/T assembly harness co nnector of control valve
with TCM to terminal hole of transmission case.
• Assemble it so that manual valve cutout is engaged with manual plate projection.
JSDIA1313ZZ
JSDIA1312ZZ
JSDIA1311ZZ
1 : Brake band
JSDIA1318ZZ
SCIA5142E
Revision: April 20092010 QX56

TM-196
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
4WD
16. Bearing race17. Needle bearing18. 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 ring27. Snap ring
28. Return spring 29. O-ring30. Servo assembly
31. Snap ring 32. Sub-harness33. Control valve with TCM
34. Bracket 35. A/T fluid temperature sensor 2 36. Oil pan gasket
37. Brackets 38. Oil pan bolt39. Oil pan
40. Magnets 41. Drain plug42. Drain plug gasket
43. A/T assemblt harness connector 44. O-ring 45. Retaining pin
46. Transmission case 47. O-ring48. Plug
A/T fluid temperature sensor 2 (A) can be changed to plug (B), depending on vehicles.
*: Apply Genuine Anaerobic Liquid Gasket or equivalent.
Revision: April 20092010 QX56

TM-198
< DISASSEMBLY AND ASSEMBLY >
OVERHAUL
19. Parking rod20. 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 gasket
37. Brackets 38. Oil pan bolt 39. Oil pan
40. Magnets 41. Drain plug 42. Drain plug gasket
43. A/T assembly harness con- nector 44. O-ring
45. Retaining pin
46. Transmission case 47. O-ring 48. Plug
A/T fluid temperature sensor 2 (A) can be changed to plug (B), depending on vehicles.
Revision: April 20092010 QX56

DISASSEMBLYTM-211
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
32. Disconnect output speed sensor connector (1). CAUTION:
Do not damage connector.
33. Straighten terminal clip ( ) to free output speed sensor har- ness.
34. Remove bolts (A), (B) and (C) from control valve with TCM. • : Front
35. Remove control valve with TCM from transmission case. CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
36. Remove the A/T fluid temperature sensor 2 or plug as shown below.
a. A/T fluid temperature sensor 2
JSDIA1319ZZ
JSDIA1320ZZ
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
SCIA8077E
SCIA5260E
Revision: April 20092010 QX56

TM-220
< DISASSEMBLY AND ASSEMBLY >
DISASSEMBLY
62. Remove manual shaft from transmission case.
63. Remove manual shaft oil seals using suitable tool.CAUTION:
Do not 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.
SCIA5716E
SCIA2331E
SCIA5248E
SCIA2333E
SCIA5679E
Revision: April 20092010 QX56

TM-242
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
ASSEMBLY
Assembly (1)INFOID:0000000005148755
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)
SCIA5248E
SCIA5716E
SCIA5220E
Revision: April 20092010 QX56

ASSEMBLYTM-243
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
5. Install manual plate (with parking rod) to manual shaft.
6. Install retaining pin into the manual plate and manual shaft.
a. Align pinhole of the manual plate to pinhole of the manual shaft using suitable tool.
b. Tap the retaining pin into the manual plate using suitable tool. CAUTION:
• Drive retaining pin to 2 ±0.5 mm (0.08± 0.020 in) over the
manual plate.
• Do not reuse retaining pin.
7. Install retaining pin into the transmission case and manual shaft.
a. Align pinhole of the transmission case to pinhole of the manual shaft using suitable tool.
b. Tap the retaining pin into the transmission case using suitable tool.
CAUTION:
• Drive retaining pin to 5 ±1 mm (0.20± 0.04 in) over the trans-
mission case.
• Do not reuse retaining pin.
8. Install O-rings to servo assembly. CAUTION:
• Do not reuse O-rings.
• Apply petroleum jelly to O-rings.
9. Install return spring to servo assembly.
SCIA5715E
SCIA5297E
SCIA2427E
SCIA5719E
SCIA5717E
Revision: April 20092010 QX56

ASSEMBLYTM-261
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
iii. Install plug (1) [with bracket (2)] to control valve with TCM and tighten bolt ( ) to specified torque.
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve.
14. Install control valve with TCM in transmission case. CAUTION:
• Make sure that input speed sensor is securely installed
into input speed sensor hole (A).
• Hang down output speed sensor harness toward outside so as not to disturb installati on of control valve with TCM.
• Adjust A/T assembly harness connector of control valve
with TCM to terminal hole of transmission case.
• Assemble it so that manual valve cutout is engaged with
manual plate projection.
15. Install bolts (A), (B) and (C) to control valve with TCM.
16. Tighten bolt (A), (B) and (C) temporarily to prevent dislocation. After that tighten them in order (A → B → C), and then tighten
other bolts. Bracket bolt : 7.9 N·m (0.81 kg-m, 70 in-lb)
JSDIA1311ZZ
1 : Brake band
JSDIA1318ZZ
SCIA5035E
: Front
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
SCIA8077E
: Front
Bolt symbol A B C
Number of bolts 5 6 1
Length mm (in) 42 (1.65) 55 (2.17) 40 (1.57)
SCIA8078E
Revision: April 20092010 QX56