INFINITI QX56 2008 Factory Service Manual

TRANSFER ASSEMBLYDLN-141
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40. Retaining plate 41. Driven plate (10 sheet) 42. Drive plate (10 sheet)
43. Return spring assembly 44. Press flange 45. Thrust needle bearing
46. Snap ring 47. Retaining pin 48. L-H fork
49. 2-4 fork 50. Shift fork spring 51. Fork guide
52. Retainer pin 53. Shift rod
1. Dust cover 2. Rear oil seal 3. Rear case
4. Breather tube 5. Seal ring 6. Main oil pump cover
7. Inner gear 8. Outer gear 9. Main oil pump housing
10. D-ring 11. D-ring 12. Clutch piston
13. Thrust needle bearing race 14. Oil strainer 15. O-ring
16. Snap ring 17. Control valve assembly 18. Lip seal (large 5 pieces)
19. Lip seal (small 2 pieces) 20. Gasket 21. Filler plug
22. Oil filter stud 23. O-ring 24. Oil filter
25 ATP switch 26. Neutral-4LO switch 27. Oil pressure check plug
28. Harness bracket 29. Air breather hose clamp 30. Stem bleeder
31. Harness bracket 32. Center case 33. Mainshaft rear bearing
34. C-ring 35. Washer holder 36. Snap ring
37. Sub oil pump housing 38. Outer gear 39. Inner gear
WDIA0302E
Revision: March 2010 2008 QX56

DLN-142
< 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-140, "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: March 2010 2008 QX56

TRANSFER ASSEMBLYDLN-143
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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: March 2010 2008 QX56

DLN-144
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
10. Remove the companion flange using suitable tool.
11. Remove the center case bolts, harness bracket and air breather.
12. Remove the filler plug and gasket.
13. Separate the center case from the front case. Then remove the
center case from the front case by prying it up using suitable
tool.
CAUTION:
Do not damage the mating surfaces.
14. Remove the shift rod components together with the 2-4 sleeve and L-H sleeve.
15. Remove the shift cross from the front case, using shift rod (A).
16. Remove the 2-4 sleeve and L-H sleeve from the 2-4 fork and L- H fork respectively.
WDIA0133E
SDIA2100E
SDIA2101E
AWDIA0015ZZ
SMT992C
Revision: March 2010 2008 QX56

TRANSFER ASSEMBLYDLN-145
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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: March 2010 2008 QX56

DLN-146
< 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: March 2010 2008 QX56

TRANSFER ASSEMBLYDLN-147
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27. Remove the sun gear assembly from the planetary carrier assembly.
28. Remove the snap ring from the sun gear assembly using suit- able tool.
29. Remove the carrier bearing from the sun gear using Tools.
30. Remove the needle bearing from the sun gear using Tool.
31. Remove the metal bushing from the sun gear using Tools.
SDIA2147E
SDIA2148E
Tool number A: ST35300000 ( — ) B: ST30031000 ( — )
SDIA2149E
Tool number : ST33710000 ( — )
SDIA2354E
Tool number A: ST33710000 ( — ) B: ST35325000 ( — )
C: ST33290001 (J-34286)
SDIA2168E
Revision: March 2010 2008 QX56

DLN-148
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
Center Case
1. Remove the rear case assembly. Refer to
DLN-140, "Disassembly and Assembly".
2. Remove the front case assembly. Refer to DLN-140, "
Disassembly and Assembly".
3. Hold the front drive shaft with one hand and tap to remove the front drive shaft with the drive chain.
CAUTION:
Do not tap drive chain.
4. Remove the front drive shaft front bearing using Tools.
5. Remove the front drive shaft rear bearing using Tools.
6. Remove the neutral-4LO and ATP switches.
SMT900C
Tool number A: ST33052000 ( — ) B: ST30031000 ( — )
SDIA2106E
Tool number A: ST33052000 ( — )B: ST30031000 ( — )
SDIA2107E
SDIA2096E
Revision: March 2010 2008 QX56

TRANSFER ASSEMBLYDLN-149
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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: March 2010 2008 QX56

DLN-150
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
12. Remove the C-rings from the mainshaft using suitable tool.
13. Set the center case on the press stand. Remove the mainshaft
from the center case.
14. Remove the snap ring from the mainshaft using suitable tool.
15. Remove the thrust needle bearing from the press flange.
16. Press the press flange until the snap ring is out of place using Tools.
SDIA2105E
SDIA2108E
SDIA2110E
SDIA2109E
Tool number A: ST22452000 (J-34335)
B: ST30911000 ( — )
C: KV31103300 ( — )
SDIA2111E
Revision: March 2010 2008 QX56