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5. Install the sun gear assembly to the planetary carrier assembly.
6. Install the new snap ring to the planetary carrier assembly. CAUTION:
Do not reuse snap ring.
7. Set the input bearing into the front case and install using suitable tool.
8. Install the new snap ring into the front case. CAUTION:
Do not reuse snap ring.
9. Install the internal gear with its groove facing the snap ring into the front case. Then secure it with the new snap ring.
CAUTION:
Do not reuse snap ring.
SDIA2180E
SDIA2794E
Tool number : ST30720000 ( — )
SDIA2172E
SDIA2171E
WDIA0100E
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![INFINITI QX56 2008 Factory Service Manual DLN-172
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TRANSFER ASSEMBLY
10. Install the new front oil seal until it is seated flush with the end
face of the front case using Tool.
CAUTION:
• Do not reuse oil INFINITI QX56 2008 Factory Service Manual DLN-172
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
10. Install the new front oil seal until it is seated flush with the end
face of the front case using Tool.
CAUTION:
• Do not reuse oil](/manual-img/42/57030/w960_57030-1201.png)
DLN-172
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TRANSFER ASSEMBLY
10. Install the new front oil seal until it is seated flush with the end
face of the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to oil seal lip before installing.
11. Install the planetary carrier assembly and sun gear assembly to the front case using Tool.
12. Install the new snap ring to the sun gear. CAUTION:
Do not reuse snap ring.
13. Apply petroleum jelly to the circumference of the new oil seal, and install it to the front case using Tools.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to oil seal.
14. Install the fork guide, shift fork spring, 2-4 fork, and L-H fork to the shift rod, and secure them with new retaining pins.
CAUTION:
Do not reuse retaining pins.Tool number : KV38100500 ( — )
SDIA3383E
Tool number : ST33200000 (J-26082)
SDIA2791E
SDIA2144E
Tool number A: ST30720000 (J-25405)
B: ST33200000 (J-26082)
Dimension : 4.0 - 4.6 mm (0.157 - 0.181 mm)
SDIA3191E
SDIA2142E
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15. Install the 2-4 sleeve and L-H sleeve to each fork.
16. Install the shift cross to the front case.
17. While aligning the L-H sleeve with the planetary carrier, install the shift rod assembly (A) to the front case.
18. Apply liquid gasket to the entire center case mating surface of the front case assembly as shown.
•Use Genuine Anaerobic Liquid Gasket or equivalent.
Refer to GI-15, "
Recommended Chemical Products and
Sealants".
CAUTION:
Remove all foreign materials such as water, oil and grease
from center case and front case mating surfaces.
19. Install the center case assembly to the front case assembly. CAUTION:
Do not damage mainshaft end.
20. Tap the center case lightly and press-fit the front drive shaft bearing into the front case.
SMT992C
AWDIA0015ZZ
WDIA0157E
SDIA2138E
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21. Tighten the front case bolts to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
CAUTION:
Be sure to install air INFINITI QX56 2008 Factory Service Manual DLN-174
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TRANSFER ASSEMBLY
21. Tighten the front case bolts to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
CAUTION:
Be sure to install air](/manual-img/42/57030/w960_57030-1203.png)
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21. Tighten the front case bolts to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
CAUTION:
Be sure to install air breather hose clamp, connector
bracket and harness clip.
22. Install the drain plug with a new gasket. CAUTION:
Do not reuse gasket.
23. Align the matching mark on the front drive shaft with the mark on the companion flange, then install the companion flange.
24. Install a new companion flange self-lock nut. Tighten to the specified torque using Tool. Refer to DLN-140, "
Disassembly
and Assembly".
CAUTION:
Do not reuse self-lock nut.
25. Remove all the sealant from the check plug, switch mounting and front case.
CAUTION:
Remove old sealant adhering to mating surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
26. Install the check ball and check spring to the front case. Apply sealant to the check plug and wait detection switch and install
them to the front case. Tighten to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
• Use Genuine Silicone RTV or equivalent. Refer to GI-15,
"Recommended Chemical Products and Sealants".
NOTE:
Wait detection switch harness connector is black.
SDIA2100E
SDIA2779E
Tool number A: KV40104000 ( — )
WDIA0219E
WDIA0158E
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27. Install the new oil seal in the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply INFINITI QX56 2008 Factory Service Manual TRANSFER ASSEMBLYDLN-175
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27. Install the new oil seal in the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply](/manual-img/42/57030/w960_57030-1204.png)
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27. Install the new oil seal in the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to seal lip before installing.
28. Install the shift lever to the shift cross.
29. Install the lock pin and lock pin nut. Tighten to the specified torque. Refer to DLN-140, "
Disassembly and Assembly".
Rear Case
1. Apply petroleum jelly to the circumference of the new rear oil
seal. Install the new rear oil seal so that it is flush with the case
tip face using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to seal lip before installing.
2. Apply petroleum jelly to the circumference of the new dust cover. Position the new dust cover using the identification mark as
shown.
CAUTION:
• Do not reuse dust cover.
• Position the identification mark at the position shown.
3. Install the new dust cover using Tool.
4. Install the air breather into the rear case.
5. Remove all the sealant from the rear case to center case mating surfaces.
CAUTION:
Remove all foreign materials su ch as water, oil, and grease
from center case and rear case mating surfaces.
6. Apply liquid gasket to the entire rear case mating surface of the center case.
•Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to GI-15, "
Recommended Chemical
Products and Sealants".
CAUTION:
Do not to allow Liquid Gasket to enter stem bleeder hole.
Tool number : ST22360002 (J-25679-01)
SDIA2182E
Tool number ST30720000 (J-25405)
SDIA2204E
SDIA3436E
Tool number : KV40105310 ( — )
SDIA2205E
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7. Install the rear case to the center case. Tighten the bolts to the
specified torque. Refer to DLN-140, "
Disassembly and Assem-
bly".
SDIA2092E
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (S INFINITI QX56 2008 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)DLN-177
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (S](/manual-img/42/57030/w960_57030-1206.png)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000001604421
Inspection and AdjustmentINFOID:0000000001604422
CLEARANCE BETWEEN INNER GEAR AND OUTER GEAR
Unit: mm (in)
CLUTCH
Unit: mm (in)
PINION GEAR END PLAY
Unit: mm (in)
CLEARANCE BETWEEN SHIFT FORK AND SLEEVE
Unit: mm (in)
SELECTIVE PARTS
Sub-oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information. Applied model
4WD
VK56DE A/T
Transfer model AT X 1 4 B
Fluid capacity (Approx.) (US qt, lmp qt) 3.0 (3-1/8, 2-5/8)
Gear ratio High
1.000
Low 2.625
Number of teeth Planetary
gear
Sun gear
57
Internal gear 91
Front drive sprocket 38
Front drive shaft 38
ItemSpecification
Sub-oil pump 0.015 - 0.035 (0.0006 - 0.0014)
Main oil pump 0.015 - 0.035 (0.0006 - 0.0014)
ItemLimit value
Drive plate 1.4 (0.055)
ItemStandard
Pinion gear end play 0.1 - 0.7 (0.004 - 0.028)
ItemStandard
Shift fork and sleeve Less than 0.36 (0.0142)
Gear thicknessPart number*
Inner gear Outer gear
9.27 - 9.28 (0.3650 - 0.3654) 31346 0W46231347 0W462
9.28 - 9.29 (0.3654 - 0.3657) 31346 0W46131347 0W461
9.29 - 9.30 (0.3657 - 0.3661) 31346 0W46031347 0W460
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Main Oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
C INFINITI QX56 2008 Factory Service Manual DLN-178
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Main Oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
C](/manual-img/42/57030/w960_57030-1207.png)
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SERVICE DATA AND SPECIFICATIONS (SDS)
Main Oil Pump
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Control Valve Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Return Spring
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.Gear thickness
Part number*
Inner gear Outer gear
8.27 - 8.28 (0.3256 - 0.3260) 31346 7S11231347 7S112
8.28 - 8.29 (0.3260 - 0.3264) 31346 7S11131347 7S111
8.29 - 8.30 (0.3264 - 0.3268) 31346 7S11031347 7S110
Mounting position
(Part name) Part number*
Outer dia.Overall length
L1
(2-4 shift valve) 31772 21X00
8.0 (0.315)38.5 (1.516)
L2
(Clutch valve) 31772 80X11
10.0 (0.394)40.0 (1.575)
L4
(Pilot valve) 31772 80X11
10.0 (0.394)40.0 (1.575)
L5
(Regulator valve) 31741 0W410
12.0 (0.472)68.0 (2.677)
Mounting position
(Part name) Part number* Free length Outer dia. Overall length
L1
(2-4 shift valve spring) 31742 2W500 31.85 (1.2539) 7.0 (0.276) 0.6 (0.024)
L2
(Clutch valve spring) 31742 2W505 40.6 (1.598) 8.9 (0.350) 0.7 (0.028)
L4
(Pilot valve spring) 31742 0W410 28.1 (1.106) 9.0 (0.354) 1.2 (0.047)
L5
(Regulator valve spring) 31742 2W515 39.7 (1.563) 11.0 (0.433) 1.3 (0.051)
Stamped mark
Part number*Free length
1 31521 7S11142.7 (1.168)
2 31521 7S11243.1 (1.697)
3 31521 7S11343.6 (1.717)
4 31521 7S11444.0 (1.731)
Revision: March 2010 2008 QX56