INFINITI QX56 2009 Factory Service Manual

TRANSFER ASSEMBLYDLN-165
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
7. Apply ATF to the new O-ring and install it to the transfer motor. CAUTION:
Do not reuse O-rings.
8. Fit the double-flat end of the transfer motor shaft into the slot of the sub-oil pump assembly. Then tighten to the specified torque.
Refer to DLN-142, "Disassembly and Assembly"
CAUTION:
Be sure to install connector bracket.
9. Apply ATF to the new lip seals, and install them to the center case.
CAUTION:
 Do not reuse lip seals.
 There are 2 kinds of lip seals (lip seal of large inner diam-
eter: 5 pieces, lip seal of small inner diameter: 2 pieces).
Confirm their position for installation.
10. Install the control valve assembly to the center case, and tighten to the specified torque. Refer to DLN-142, "Disassembly and
Assembly".
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 becau se residual magnetism stays
during assembly.
11. Install the connector assembly into the center case, and secure with a snap ring.
12. Apply ATF to the new O-rings, and install them on the oil strainer.
CAUTION:
Do not reuse O-rings.
13. Install the oil strainer to the control valve assembly.
SDIA2787E
SDIA2123E
SDIA2121E
SDIA2122E
SDIA2782E
Revision: December 20092009 QX56

DLN-166
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
14. Tighten the bolts to the specified torque. Refer to
DLN-142, "Dis-
assembly and Assembly".
15. Apply ATF to the new D-rings, and install them to the clutch pis- ton.
CAUTION:
Do not reuse D-rings.
16. Install the thrust needle bearing race to the clutch piston.
17. 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.
18. Remove all the sealant from the oil pressure check port and inside the center case.
CAUTION:
Remove old sealant adhering to mating surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mating surfaces.
19. Thread the new oil pressure check plug in 1 or 2 pitches and apply sealant to the oil pressu re check plug threads. Tighten to
the specified torque. Refer to DLN-142, "Disassembly and
Assembly".
SDIA2119E
SDIA2781E
SDIA2189E
SDIA2190E
SDIA3188E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-167
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
 Use Genuine Silicone RTV or equivalent. Refer to GI-15, "Recommended Chemical Products and
Sealants".
CAUTION:
Do not reuse oil pressure check plug.
20. Install the new snap ring to the clutch hub using suitable tool. CAUTION:
Do not reuse snap ring.
21. Apply petroleum jelly to the needle bearing, and install the nee- dle bearing, spacer, clutch drum and clutch hub to the main-
shaft.
22. Install the new snap ring to the mainshaft. CAUTION:
Do not reuse snap rings.
23. Apply ATF each plate, then install them into the clutch drum as shown.
WDIA0101E
WDIA0129E
SDIA2192E
SDIA2193E
Revision: December 20092009 QX56

DLN-168
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
24. Install the return spring assembly into the clutch hub.
25. Install the press flange by aligning the notches to the clutch hub
as shown.
26. Press the press flange to install the new snap ring into snap ring groove on mainshaft using Tools.
CAUTION:
Do not reuse snap ring.
27. Install the new snap ring to the mainshaft using suitable tool. CAUTION:
Do not reuse snap ring.
28. Apply ATF to the thrust needle bearing and install it on the press flange.
SMT911C
SDIA2194E
Tool number A: ST22452000 (J-34335)
B: ST30911000 ( — )
C: KV31103300 ( — )
SDIA2111E
SDIA2112E
SDIA2109E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-169
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
29. Install the new snap ring to the main shaft. CAUTION:
Do not reuse snap ring.
30. Install the mainshaft rear bearing to the center case using Tool.
31. Install the mainshaft assembly using a press.  Press the mainshaft into the center case using Tools.
32. Install the C-rings to the mainshaft.
33. Set the washer holder on the mainshaft, and secure it with a new snap ring.
CAUTION:
Do not reuse snap ring.
SDIA2195E
Tool number : ST15310000 (J-25640-B)
SDIA2196E
Tool number A: ST30911000 ( — )
B: ST33052000 ( — )
SDIA2197E
SDIA2201E
SDIA2104E
Revision: December 20092009 QX56

DLN-170
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
34. Apply petroleum jelly to the stem bleeder and install it to the cen-
ter case.
35. Apply ATF to the new seal ring and install it to the main oil pump cover.
CAUTION:
Do not reuse seal ring.
36. Install the inner gear and outer gear in the main oil pump hous- ing. Then, measure the side clearance. Refer to DLN-179,
"Inspection and Adjustment".
37. Install the main oil pump housing, outer gear and inner gear to the center case.
38. Install the main oil pump cover to the center case, and tighten to the specified torque. Refer to DLN-142, "Disassembly and
Assembly".
SDIA2780E
SDIA2783E
SDIA2174E
SDIA2188E
SDIA2130E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-171
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
39. Remove all the sealant from the switch location 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.
40. Thread the ATP switch and neutral-4LO switch in one to two pitches and apply sealant to the th reads of the switches. Tighten
to the specified torque. Refer to DLN-142, "Disassembly and
Assembly".
 Use Genuine Silicone RTV or equivalent. Refer to GI-15,
"Recommended Chemical Pr oducts and Sealants".
NOTE:
 Neutral-4LO switch harness connector is gray.
 ATP switch harness connector is black.
41. Install the front drive shaft rear bearing using Tools.
42. Install the front drive shaft to the front bearing using Tools.
43. 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. Tool number A: KV40100621 (J-25273)
B: ST30032000 (J-26010-01)SDIA3435E
SDIA2198E
Tool number A: KV40100621 (J-25273)B: ST30032000 (J-26010-01)
SDIA2199E
SDIA2200E
Revision: December 20092009 QX56

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
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
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