2005 INFINITI QX4 clutch

TRANSFER ASSEMBLY
TF-169
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: October 20052005 QX56
17. Install the thrust needle bearing race to the clutch piston.
18. Install the clutch piston to the center case as shown.
CAUTION:
Install so the fitting protrusion of clutch piston aligns with
the dent of center case.
19. Remove all the sealant from the oil pressure check port and
inside the center case.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
20. Thread the oil pressure check plug in 1 or 2 pitches and apply
sealant to the oil pressure check plug threads. Tighten to the
specified torque. Refer to TF-144, "
COMPONENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-45,
"Recommended Chemical Products and Sealants" .
CAUTION:
Do not reuse oil pressure check plug.
21. Install the snap ring to the clutch hub, using suitable tool.
CAUTION:
Do not reuse snap ring.
SDIA2189E
SDIA2190E
SMT915C
WDIA0101E

TF-170
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
22. Apply petroleum jelly to the needle bearing, and install the nee-
dle bearing, spacer, clutch drum and clutch hub to the main-
shaft.
23. Install the snap ring to the mainshaft.
CAUTION:
Do not reuse snap rings.
24. Apply ATF each plate, then install them into the clutch drum as
shown.
25. Install the return spring assembly into the clutch hub.
26. Install the press flange by aligning the notches to the clutch hub
as shown.
WDIA0129E
SDIA2192E
SDIA2193E
SM T9 11 C
SDIA2194E

TF-174
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
42. Install the front drive shaft rear bearing, using Tools.
43. Install the front drive shaft to the front bearing, using Tools.
44. Install the drive chain to the front drive shaft and clutch drum.
CAUTION:
Install drive chain by aligning identification marks to the
rear as shown.
45. Tap the front drive shaft while keeping it upright and press-fit the
front drive shaft rear bearing.
CAUTION:
Do not tap drive chain.
46. Install the front case assembly. Refer to TF-147, "
Front Case" .
47. Install the rear case assembly. Refer to TF-146, "
Rear Case" .
Front Case
1. Install the carrier bearing to the sun gear, using Tools.Tool number A: KV40100621 (J-25273)
B: ST30032000 (J-26010-01)
SDIA2198E
Tool number A: KV40100621 (J-25273)
B: ST30032000 (J-26010-01)
SDIA2199E
SDIA2200E
SMT988C
Tool number A: ST30911000 ( — )
B: KV31103300 ( — )
SDIA2179E

SERVICE DATA AND SPECIFICATIONS (SDS)
TF-181
C
E
F
G
H
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J
K
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MA
B
TF
Revision: October 20052005 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsEDS002J0
Inspection and AdjustmentEDS002J1
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.
Main Oil Pump
Unit: mm (in) Applied modelVK56DE
Transfer modelATX14B
Fluid capacity (Approx.)
(US qt, lmp qt)3.0 (3-1/8, 2-5/8)
Gear ratioHigh 1.000
Low 2.596
Number of teethPlanetary
gearSun 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 plate1.4 (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 thicknessPart 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
Gear thicknessPart number*
Inner gear Outer gear
8.27 - 8.28 (0.3256 - 0.3260) 31346 7S112 31347 7S112
8.28 - 8.29 (0.3260 - 0.3264) 31346 7S111 31347 7S111
8.29 - 8.30 (0.3264 - 0.3268) 31346 7S110 31347 7S110

TF-182
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: October 20052005 QX56
*: 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.
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.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 7S111 42.7 (1.168)
2 31521 7S112 43.1 (1.697)
3 31521 7S113 43.6 (1.717)
4 31521 7S114 44.0 (1.731)
Stamped mark 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)