2010 INFINITI QX56 transmission

TM-250
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
iii. Install brackets (1) and tighten rear extension assembly boltsand (2 self-sealing bolts) to specified torque.
CAUTION:
Do not reuse self-sealing bolt.
b. 4WD models
i. Install gasket onto transmission case. CAUTION:
• Completely remove all moistu re, oil, old gasket and any
foreign material from the transmission case and adapter
case assembly mating surfaces.
• Do not reuse gasket.
ii. Install adapter case assembly to transmission case. CAUTION:
Insert the tip of parking rod between the parking pawl and
the parking actuator support when assembling the rear
extension assembly.
iii. Install bracket (2) and tighen adapter case assembly bolts (1) and (3) to specified torque.
CAUTION:
Do not reuse self-sealing bolt (3).Rear extension
assembly bolt
: 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m, 45 ft-lb)
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Adapter case
assembly bolt : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m, 45 ft-lb)
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Revision: April 20092010 QX56

TM-254
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
48. Install band servo anchor end pin and lock nut in transmissioncase.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Install it so that the identification to avoid incorrect installa-
tion faces the servo side.
50. Install front sun gear to front carrier assembly. CAUTION:
Apply ATF to front sun gear bearing and 3rd one-way clutch
end bearing.
51. Install needle bearing to front sun gear. CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using a clip so that brake band contacts front sun gear drum evenly.
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Revision: April 20092010 QX56

TM-256
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
b. Measure dimension “L”.
c. Calculate dimension “J”.
2. Measure dimensions “M
1” and “M2” and then calculate dimen-
sion “M”.
a. Place bearing race and needle bearing on oil pump assembly.
b. Measure dimension “M
1”.
c. Measure dimension “M
2”.
“J”: Distance between oil pump fitting surface of
transmission case and needle
bearing mating surface
of front sun gear.
J = K – L
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Revision: April 20092010 QX56

ASSEMBLYTM-257
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
d. Calculate dimension “M”.
3. Adjust total end play “T
1”.
• Select proper thickness of bearing race so that total end play is within specifications.
Assembly (2)INFOID:0000000005148757
1. Install O-ring to oil pump assembly. CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
2. Install bearing race to oil pump assembly. CAUTION:
Apply petroleum jelly to bearing race.“M”: Distance between transmission case fitting sur-
face of oil pump and need
le bearing on oil pump.
M = M
1 – M2
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T1 = J – M
Total end play “T
1” : 0.25 - 0.55 mm (0.0098 - 0.0217 in)
Bearing races :Refer to TM-265, "
General Specifica-
tion".
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TM-258
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
3. Install oil pump assembly in transmission case.CAUTION:
Apply ATF to oil pump bearing.
4. Apply recommended sealant (Genuine RTV Silicone Sealant or equivalent. Refer to GI-15, "
Recommended Chemical Products
and Sealants".) to oil pump assembly as shown.
CAUTION:
Completely remove all moisture, oil, old sealant and any
foreign material from the oil pump bolts and oil pump bolt
mating surfaces.
5. Tighten oil pump bolts to specified torque. CAUTION:
Apply ATF to oil pump bushing.
6. Install O-ring to input clutch assembly. CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
7. Install converter housing to transmission case and tighten bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolt (A).
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Oil pump bolts : 48 N·m (4.9 kg-m, 35 ft-lb)
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Converter housing bolt : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt (A) : 61 N·m (6.2 kg-m, 45 ft-lb)
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Revision: April 20092010 QX56

ASSEMBLYTM-259
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
8. Make sure that brake band (1) does not close input speed sen- sor hole (A).
9. Connect TCM connector (1) and transmission range switch con- nector (2).
10. Install A/T assembly harness connector to control valve with TCM..
11. Connect TCM connectors.
12. Install O-ring to A/T assembly harness connector.. CAUTION:
• Do not reuse O-ring.
• Apply ATF to O-ring.
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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)
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1 : Brake band
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: Front
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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: Front
Bolt symbol A B C
Number of bolts 5 6 1
Length mm (in) 42 (1.65) 55 (2.17) 40 (1.57)
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Revision: April 20092010 QX56

ASSEMBLYTM-263
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
21. Install snap ring to A/T assembly harness connector.
22. Install magnets in oil pan.
23. Install oil pan to transmission case. Refer to TM-170, "
Oil Pan".
24. Install torque converter.
a. Pour ATF into torque converter. NOTE:
• Approximately 2 liters (2-1/8 US qt. 1-3/4 Imp qt) of fluid is
required for a new torque converter.
• When reusing old torque converter, add the same amount of
fluid as was drained.
b. Install torque converter while aligning notches of torque con- verter with notches of oil pump.
CAUTION:
Install torque converte r while rotating it.
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Revision: April 20092010 QX56