2006 INFINITI QX56 torque

AT-264
DISASSEMBLY
Revision: November 20092006 QX56
DISASSEMBLYPFP:31020
DisassemblyECS00EQ7
CAUTION:
Do not disassemble parts behind drum support. Refer to AT- 1 7 , "
Cross-Sectional View (2WD models)"
or AT- 1 8 , "Cross-Sectional View (4WD models)" .
1. Drain ATF through drain plug.
2. Remove torque converter by holding it firmly and turing while pulling straight out.
3. Check torque converter one-way clutch using check tool as shown.
a. Insert check tool into the groove of bearing support built into one-way clutch outer race.
b. While holding bearing support with check tool, rotate one- way clutch spline using suitable tool.
c. Check that inner race rotates clockwise only. If not, replace torque converter assembly.
4. Remove converter housing from transmission case. CAUTION:
Be careful not to scratch converter housing.
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AT-284
REPAIR FOR COMPONENT PARTS
Revision: November 20092006 QX56
3. Install new oil pump housing oil seal to the oil pump housing
until it is flush with the face of oil pump housing using Tool.
CAUTION:

Do not reuse oil seal.

Apply ATF to oil seal.
4. Install oil pump housing in oil pump cover. Tighten oil pump housing bolts to the specified torque. Refer to AT- 2 5 0 , "
Compo-
nents" .
Front Sun Gear, 3rd One-Way ClutchECS00EOD
COMPONENTS
DISASSEMBLY
1. Remove snap ring from front sun gear using suitable tool. Tool number : ST33400001 (J-26082)
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1. Front sun gear
2. 3rd one-way clutch 3. Snap ring
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AT-300
ASSEMBLY
Revision: November 20092006 QX56
ASSEMBLYPFP:00000
Assembly (1)ECS00EQ8
1. Drive new manual shaft oil seals into the transmission case until
it is 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. Tighten bolt to the specified torque. Refer to AT- 2 5 0 , "
Components" .
3. Install manual shaft to transmission case.
4. Install parking rod to manual plate.
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ASSEMBLYAT-305
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Revision: November 2009 2006 QX56
22. Measure clearance between retaining plate and snap ring. If not
within specified clearance, select proper retaining plate.
23. Install needle bearing to transmission case. CAUTION:

Take care with the direction of needle bearing. Refer to
AT- 2 6 0 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .

Apply petroleum jelly to needle bearing.
24. Install revolution sensor to transmission case. Tighten revolution sensor bolt to the specified torque. Refer to AT- 2 5 0 , "
Compo-
nents" .
CAUTION:

Do not subject it to impact by dropping or hitting it.

Be careful not to damage harness with the edge of case.

Do not allow metal filings or foreign material to get on the
sensor front edge magnetic area.

Do not place in an area affected by magnetism.
25. Install new rear oil seal until it is flush into the rear extension (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.Specified clearance “A” : Standard: 0.7 - 1.1mm
(0.028 - 0.043 in)
Retaining plate : Refer to AT- 3 2 5 , "
Reverse
brake" .
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Tool number : ST33400001 (J-26082)
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AT-308
ASSEMBLY
Revision: November 20092006 QX56
ii. Install rear extension assembly to transmission case.
iii. Install brackets (1).
iv. Tighten rear extension assembly bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolts (2).
b. 4WD models
i. Install new gasket to transmission case. CAUTION:

Do not reuse gasket.

Completely remove all moisture, oil and old gasket from
the transmission case and adapter case assembly mating
surfaces.
ii. Install adapter case assembly to transmission case.
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Rear extension assembly bolts : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolts : 61 N·m (6.2 kg-m, 45 ft-lb)
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ASSEMBLYAT-309
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Revision: November 2009 2006 QX56
iii. Install brackets (1).
iv. Tighten adapter case assembly bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolts (2).
35. Install needle bearing in drum support edge surface. CAUTION:
Apply petroleum jelly to needle bearing.
36. Install direct clutch assembly in reverse brake.
37. Install high and low reverse clutch assembly in direct clutch assembly.Adapter case assembly bolts : 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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ASSEMBLYAT-313
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Revision: November 2009 2006 QX56
51. Install needle bearing in front sun gear assembly.
CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using clips so that brake band contacts front sun gear drum evenly.
53. Adjust brake band.
a. Loosen lock nut.
b. Tighten band servo anchor end pin to specified torque.
c. Back off band servo anchor end pin three turns.
d. Holding band servo anchor end pin, tighten lock nut to specified torque. Refer to AT- 2 5 0 , "
Components" .
AdjustmentECS00EQ9
TOTAL END PLAY

Measure clearance between front sun gear and bearing race for
oil pump cover.

Select proper thickness of bearing race so that end play is within
specifications.
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Band servo anchor end pin : 5.0 N·m (0.51 kg-m,
44 in-lb)
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ASSEMBLYAT-317
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Revision: November 2009 2006 QX56
5. Tighten oil pump bolts to specified torque. Refer to AT- 2 5 0 ,
"Components" .
CAUTION:
Apply ATF to oil pump bushing.
6. Install new O-ring to input clutch assembly. CAUTION:

Do not reuse O-ring.

Apply ATF to O-ring.
7. Install converter housing to transmission case. CAUTION:
Do not reuse self-sealing bolt.
8. Make sure that brake band does not close turbine revolution sensor hole.
9. Install control valve with TCM.
a. Install A/T fluid temperature sensor 2 to bracket.
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Converter housing 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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