2009 INFINITI QX56 200

DLN-172
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
44. Tap the front drive shaft while keeping it upright and press-fit the
front drive shaft rear bearing.
CAUTION:
Do not tap drive chain.
45. Install the front case assembly. Refer to DLN-142, "Disassembly
and Assembly".
46. Install the rear case assembly. Refer to DLN-142, "Disassembly
and Assembly".
Front Case
1. Install the carrier bearing to the sun gear using Tools.
2. Install the new snap ring to the sun gear assembly using suitable
tool.
CAUTION:
Do not reuse snap ring.
3. Apply ATF to the circumference of the new metal bushing and install it to the sun gear assembly using Tool.
CAUTION:
 Do not reuse metal bushing.
 Apply ATF to metal bushing before installing.
4. Apply ATF to the new needle bearing and install it to the sun gear assembly using Tool.
CAUTION:
 Do not reuse needle bearing.
 Apply ATF to needle bear ing before installing.
SMT988C
Tool number A: ST30911000 ( — )
B: KV31103300 ( — )
SDIA2179E
SDIA2148E
Tool number : ST35300000 ( — )
Dimension A : 7.7 - 8.3 mm (0.303 - 0.327 in)
SDIA3189E
Tool number : ST33220000 ( — )
Dimension B : 62.5 - 63.1 mm (2.461 - 2.484 in)
SDIA3190E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-173
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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 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 (J-25405)
SDIA2172E
SDIA2171E
WDIA0100E
Revision: December 20092009 QX56

DLN-174
< 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 seal.
 Apply petroleum jelly to oi l 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
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-175
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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 Liqu id 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
Revision: December 20092009 QX56

DLN-176
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
21. Tighten the front case bolts to the specified torque. Refer to
DLN-142, "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 suitable tool. Refer to DLN-142, "Disas-
sembly 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-142, "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
WDIA0219E
WDIA0158E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-177
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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-142, "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 (1). Position the new dust cover with protrusions (A) as shown.
 Rear case (2)
CAUTION:
 Do not reuse dust cover.
 Position the projection in the position as 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 such 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
AWDIA0550GB
Tool number : KV40105310 ( — )
SDIA2205E
Revision: December 20092009 QX56

DLN-178
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
7. Install the rear case to the center case. Tighten the bolts to the
specified torque. Refer to DLN-142, "Disassembly and Assem-
bly".
SDIA2092E
Revision: December 20092009 QX56

SERVICE DATA AND SPECIFICATIONS (SDS)
DLN-179
< SERVICE DATA AND SPECIFICATIONS (SDS) [ATX14B]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000005874984
Inspection and AdjustmentINFOID:0000000005874985
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
Item Specification
Sub-oil pump 0.015 - 0.035 (0.0006 - 0.0014)
Main oil pump 0.015 - 0.035 (0.0006 - 0.0014)
Item Limit value
Drive plate 1.4 (0.055)
Item Standard
Pinion gear end play 0.1 - 0.7 (0.004 - 0.028)
Item Standard
Shift fork and sleeve Less than 0.36 (0.0142)
Gear thickness Part number*
Inner gear Outer gear
9.27 - 9.28 (0.3650 - 0.3654) 31346 0W462 31347 0W462
9.28 - 9.29 (0.3654 - 0.3657) 31346 0W461 31347 0W461
9.29 - 9.30 (0.3657 - 0.3661) 31346 0W460 31347 0W460
Revision: December 20092009 QX56