INFINITI QX4 2005 Factory Service Manual

TF-168
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
11. Install the control valve assembly to the center case, and tighten
to the specified torque. Refer to TF-144, "
COMPONENTS" .
CAUTION:

Do not reuse any part that has been dropped or damaged.

Make sure valve is assembled in the proper direction.

Do not use a magnet because residual magnetism stays
during assembly.
12. Install the connector assembly into the center case, and secure
with a snap ring.
13. Apply ATF to the O-rings, and install them on the oil strainer.
CAUTION:
Do not reuse O-rings.
14. Install the oil strainer to the control valve assembly.
15. Tighten the bolts to the specified torque. Refer to TF-144,
"COMPONENTS" .
16. Apply ATF to the D-rings, and install them to the clutch piston.
CAUTION:
Do not reuse D-rings.
SDIA2121E
SDIA2122E
SDIA2782E
SDIA2 119 E
SDIA2781E

TRANSFER ASSEMBLY
TF-169
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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

TRANSFER ASSEMBLY
TF-171
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TF
Revision: October 20052005 QX56
27. Press the press flange to install snap ring into snap ring groove
on mainshaft, using Tools.
CAUTION:
Do not reuse snap ring.
28. Install the snap ring to the mainshaft, using suitable tool.
CAUTION:
Do not reuse snap ring.
29. Apply ATF to the thrust needle bearing and install it on the press
flange.
30. Install the snap ring to the main shaft.
CAUTION:
Do not reuse snap ring.
31. Install the mainshaft rear bearing to the center case, using Tool.Tool number A: ST22452000 (J-34335)
B: ST30911000 ( — )
C: KV31103300 ( — )
SD I A 2 111E
SDIA2 112 E
SDIA2109E
SDIA2195E
Tool number : ST15310000 (J-25640-B)
SDIA2196E

TF-172
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
32. Install the mainshaft assembly, using a press.

Press the mainshaft into the center case, using Tools.
33. Install the C-rings to the mainshaft.
34. Set the washer holder on the mainshaft, and secure it with a
snap ring.
CAUTION:
Do not reuse snap ring.
35. Apply petroleum jelly to the stem bleeder and install it to the cen-
ter case.
36. Apply ATF to the seal ring and install it to the main oil pump
cover.
CAUTION:
Do not reuse seal ring.Tool number A: ST30911000 ( — )
B: ST33052000 ( — )
SDIA2197E
SDIA2201E
SDIA2104E
SDIA2780E
SDIA2783E

TRANSFER ASSEMBLY
TF-173
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TF
Revision: October 20052005 QX56
37. Install the inner gear and outer gear in the main oil pump hous-
ing. Then, measure the side clearance. Refer to TF-163, "
Main
Oil Pump" .
38. Install the main oil pump housing, outer gear and inner gear to
the center case.
39. Install the main oil pump cover to the center case, and tighten to
the specified torque. Refer to TF-144, "
COMPONENTS" .
40. Remove all the sealant from the switch mounting area 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.
41. Thread the ATP switch and neutral-4LO switch in one to two
pitches and apply sealant to the threads of the switches. 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" .
NOTE:

Neutral-4LO switch harness connector is gray.

ATP switch harness connector is black.
SDIA2174E
SDIA2188E
SDIA2130E
SDIA2096E

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

TRANSFER ASSEMBLY
TF-175
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TF
Revision: October 20052005 QX56
2. Install the snap ring to the sun gear assembly, using suitable
tool.
CAUTION:
Do not reuse snap ring.
3. Apply ATF to the circumference of the 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 needle bearing and install it to the sun gear
assembly, using Tool.
CAUTION:

Do not reuse needle bearing.

Apply ATF to needle bearing before installing.
5. Install the sun gear assembly to the planetary carrier assembly.
6. Install the snap ring to the planetary carrier assembly.
CAUTION:
Do not reuse snap ring.
SDIA2148E
Dimension A : 7.7 - 8.3 mm (0.303 - 0.327 in)
Tool number : ST35300000 ( — )
WDIA0206E
Dimension B : 62.5 - 63.1 mm (2.461 - 2.484 in)
Tool number : ST33220000 ( — )
SDIA2478E
SDIA2180E
SDIA2181E

TF-176
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
7. Set the mainshaft front bearing into the front case and install,
using Tool.
8. Install the 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 snap ring.
CAUTION:
Do not reuse snap ring.
10. Install the 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.Tool number : ST30720000 (J-25405)
SDIA2172E
SDIA2171E
WDIA0100E
Tool number : KV38100500 ( — )
SDIA2785E
Tool number : ST33200000 (J-26082)
SDIA2183E

TRANSFER ASSEMBLY
TF-177
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TF
Revision: October 20052005 QX56
12. Install the snap ring to the sun gear assembly.
CAUTION:
Do not reuse snap ring.
13. Apply petroleum jelly to the circumference of the 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 retaining pins.
CAUTION:
Do not reuse retaining pins.
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 to the front case.
SDIA2144E
Dimension : 4.0 - 4.6 mm (0.157 - 0.181 mm)
Tool number A: ST30720000 (J-25405)
B: ST33200000 (J-26082)
SDIA2786E
SDIA2142E
SMT992C
SDIA2140E