INFINITI QX56 2006 Factory Service Manual

TF-146
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
Disassembly and AssemblyEDS003BG
COMPONENTS
1. 2-4 sleeve2. L-H sleeve 3. Snap ring
4. Internal gear 5. Planetary carrier assembly 6. Metal bushing
7. Needle bearing 8. Sun gear 9. Carrier bearing
10. Snap ring 11. Snap ring 12. Input bearing
13. Wait detection switch 14. Check plug 15. Check spring
16. Check ball 17. Front case 18. Snap ring
19. Input oil seal 20. Shift cross 21. Side oil seal
22. Lock pin 23. Shift lever 24. Gasket
25. Drain plug 26. Front oil seal 27. Companion flange
28. Self-lock nut 29. Mainshaft 30. Needle bearing
31. Front bearing 32. Front drive shaft 33. Rear bearing
34. Spacer 35. Drive chain 36. Clutch drum
37. Snap ring 38. Clutch hub 39. Snap ring
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
WDIA0194E

TRANSFER ASSEMBLYTF-147
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Revision: November 2009 2006 QX56
49. 2-4 fork50. 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

TF-148
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
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.
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 equivalent.
SDIA2092E
SDIA2093E
SDIA2094E
SDIA2095E

TRANSFER ASSEMBLYTF-149
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Revision: November 2009 2006 QX56
Front Case
1. Remove the rear case assembly. Refer to TF-148, "Rear Case" .
2. Remove the lock pin nut.
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 Tool.
SDIA2150E
SDIA3381E
WDIA0196E
Tool number : KV40104000 ( — )
SDIA2841E

TF-150
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
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.
10. Remove the companion flange using suitable tool.
11. Remove the center case bolts, harness bracket and air breather hose clamp.
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
tools.
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.
SDIA2779E
WDIA0133E
SDIA2100E
SDIA2101E
SDIA2140E

TRANSFER ASSEMBLYTF-151
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Revision: November 2009 2006 QX56
16. Remove the 2-4 sleeve and L-H sleeve from the 2-4 fork and L-
H fork respectively.
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.
SMT992C
WDIA0134E
SDIA2142E
SDIA3382E
SDIA2144E

TF-152
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
21. Remove the sun gear assembly and planetary carrier assembly
from the front case using Tool.
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 front bearing from the front case using Tool. Tool number : ST35300000 ( — )
SDIA2145E
SMT004D
SDIA2170E
SDIA2171E
Tool number : ST33200000 (J-26082)
SDIA2178E

TRANSFER ASSEMBLYTF-153
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Revision: November 2009 2006 QX56
26. Remove the snap ring from the planetary carrier assembly using
suitable tool.
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.
SDIA2146E
SDIA2147E
SDIA2148E
Tool number A: ST35300000 ( — ) B: ST30031000 ( — )
SDIA2149E
Tool number : ST33710000 ( — )
SDIA2354E

TF-154
TRANSFER ASSEMBLY
Revision: November 20092006 QX56
31. Remove the metal bushing from the sun gear using Tools.
Center Case
1. Remove the rear case assembly. Refer to TF-148, "Rear Case" .
2. Remove the front case assembly. Refer to TF-149, "
Front Case" .
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. Tool number A: ST33710000 ( — )
B: ST35325000 ( — )
C: KV381054S0 (J-34286)
SDIA2168E
SMT900C
Tool number A: ST33052000 ( — )B: ST30031000 ( — )
SDIA2106E
Tool number A: ST33052000 ( — )B: ST30031000 ( — )
SDIA2107E

TRANSFER ASSEMBLYTF-155
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Revision: November 2009 2006 QX56
6. Remove the neutral-4LO and ATP switches.
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.
SDIA2096E
SDIA2130E
SDIA2131E
SDIA2783E
SDIA2780E