2009 INFINITI QX56 oil

DLN-144
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
DISASSEMBLY
Rear Case
1. Remove the rear case bolts.
2. Remove the rear case from the center case.
3. Remove the dust cover using suitable tool.
4. Remove the rear oil seal using suitable tool.
CAUTION:
Do not damage rear case.
5. Remove the breather tube.
Front Case
1. Remove the rear case assembly. Refer to DLN-142, "Disassembly and Assembly".
2. Remove the lock pin nut.
40. Sub oil pump cover 41. O-ring 42. Transfer motor
43. Connector bracket A. Apply Genuine Anaerobic Liquid Gasket, Three Bond TB1133C or
equivalent.B. Apply Genuine Liquid Gasket,
Three Bond TB1215 or equiva-
lent.
SDIA2092E
SDIA2093E
SDIA2094E
SDIA2095E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-145
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
3. Remove the lock pin using suitable tool.
4. Remove the shift lever.
5. Remove the side oil seal from the front case using suitable tool. CAUTION:
Do not damage front case or shift cross.
6. Remove the check plug, check spring and check ball.
7. Remove the wait detection switch.
8. Remove the self-lock nut from the companion flange using suit- able tool.
9. Put a matching mark on top of the front drive shaft thread in line with the mark on the companion flange.
CAUTION:
Use paint to make the matching mark on the front drive
shaft thread. Never damage the front drive shaft.
SDIA2150E
SDIA2166E
WDIA0196E
SDIA2841E
SDIA2779E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-147
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
17. Drive out the retaining pin from the shift rod using suitable tool.
18. Remove the L-H fork, 2-4 fork, shift fork spring and fork guide from the shift rod.
19. Remove the input oil seal from the front case using suitable tool. CAUTION:
Do not damage front case or sun gear.
20. Remove the snap ring from the sun gear. CAUTION:
Do not damage front case or sun gear.
21. Remove the sun gear assembly and planetary carrier assembly from the front case using Tool.
WDIA0134E
SDIA2142E
SDIA3382E
SDIA2144E
Tool number : ST35300000 ( — )
SDIA2145E
Revision: December 20092009 QX56

DLN-148
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
22. Remove the snap ring and internal gear using suitable tool.
23. Remove the front oil seal using suitable tool.
CAUTION:
Do not damage front case.
24. Remove the snap ring from the front case.
25. Remove the input bearing from the front case using Tool.
26. Remove the snap ring from the planetary carrier assembly using suitable tool.
SMT004D
SDIA2170E
SDIA2171E
Tool number : ST33200000 (J-26082)
SDIA2178E
SDIA2792E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-151
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
7. Remove the bolts and main oil pump cover.
8. Remove the outer gear, inner gear and main oil pump housing from the center case.
9. Remove the seal ring from the main oil pump cover.
10. Remove the stem bleeder from the bleed hole.
11. Remove the snap ring and washer holder from the mainshaft.
SDIA2130E
SDIA2131E
SDIA2783E
SDIA2780E
SDIA2104E
Revision: December 20092009 QX56

DLN-154
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
22. Remove the mainshaft from the clutch drum and clutch hub
using suitable tool.
23. Remove the needle bearing and spacer from the mainshaft.
24. Remove the snap ring from the clutch hub using suitable tool.
25. Remove the oil pressure check plug from the oil pressure check port.
26. Apply air gradually from the oil pressure check port, and remove the clutch piston assembly from the center case.
27. Remove the thrust needle bearing race from the clutch piston by hooking a edge into 3 notches of the thrust needle bearing race
using suitable tool.
CAUTION:
Do not damage clutch piston or thrust needle bearing race.
SMT914C
WDIA0101E
WDIA0227E
SDIA2116E
SDIA2118E
Revision: December 20092009 QX56

TRANSFER ASSEMBLYDLN-155
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
C
EF
G H
I
J
K L
M A
B
DLN
N
O P
28. Remove the two D-rings from the clutch piston.
29. Remove the mainshaft rear bearing from the center case using Tool.
30. Remove the two bolts and oil strainer.
31. Remove the two O-rings from the oil strainer.
32. Remove the snap ring. Then push the connector assembly into the center case to remove the control valve assembly.
SDIA2781E
Tool number : KV38100300 (J-25523)
SDIA2129E
SDIA2119E
SDIA2782E
SDIA2122E
Revision: December 20092009 QX56

DLN-156
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
33. Remove the control valve assembly bolts.
34. Remove the control valve 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 because residual magnetism stays
during disassembly.
35. Remove the lip seals from the center case. CAUTION:
There are two kinds of lip seals (lip seal of large inner diam-
eter: 5 pieces, lip seal of small inner diameter: 2 pieces).
Confirm the position before disassembly.
36. Remove the transfer motor bolts and motor from the center case. Then remove the O-ring from the transfer motor.
37. Remove the sub oil pump cover bolts.
38. Thread two bolts (M4 x 0.8) into the holes of sub oil pump cover as shown, and pull out to remove the sub oil pump assembly.
SDIA2121E
SDIA2123E
SDIA2133E
SDIA2134E
SMT934C
Revision: December 20092009 QX56