2001 INFINITI QX4 IDX

Transfer ComponentsNBTF0076
SMT810D
1. Oil seal
2. Transfer cover
3. Snap ring
4. Washer
5. Snap ring
6. Main gear bearing
7. Front case
8. Check plug
9. Check spring
10. Check ball
11. Internal gear
12. Snap ring
13. Bearing race
14. Thrust needle bearing
15. Planetary carrier
16. Thrust needle bearing
17. Sun gear18. L-H sleeve
19. 2-4 sleeve
20. Radial needle bearing
21. Front revolution sensor
22. Roll pin
23. L-H fork
24. 2-4 fork
25. Shift fork spring
26. Fork guide
27. Roll pin
28. Shift rod
29. Self-lock nut
30. Companion flange
31. Oil seal
32. Drain plug
33. Wait detection switch
34. Needle bearing35. Mainshaft
36. Drive chain
37. Clutch drum
38. Clutch hub
39. Snap ring
40. Driven plate
41. Drive plate
42. Retaining plate
43. Return spring assembly
44. Press flange
45. Washer
46. Thrust needle bearing
47. Snap ring
48. Seal ring
49. Front bearing
50. Front drive shaft
51. Rear bearing
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
OVERHAUL
Transfer Components
TF-121

SMT877C
Rear Case
DISASSEMBLYNBTF00771. Remove neutral-4LO switch and ATP switch.
2. Remove bolts.
SMT878C
3. Remove rear case from center case by tapping it lightly with a
plastic hammer.
SMT883C
Center Case
DISASSEMBLYNBTF00781. Remove oil pump shaft from main oil pump.
SMT884C
2. Remove stem bleeder from bleeder hole.
SMT844DB
3. Remove lock nut from companion flange.
IDo not reuse lock nut.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Rear Case
TF-123

SMT900C
Front Drive Shaft and Drive ChainNBTF0078S011. Remove oil gutter from center case.
2. With front drive shaft held by one hand as shown in the figure,
tap center case with a plastic hammer to remove it with drive
chain.
IDo not tap drive chain with a plastic hammer.
SMT901CB
3. Set a puller (ST30021000) and an adapter (ST33052000).
Remove front drive shaft front bearing.
SMT902CB
4. Set the puller (ST30021000) and the adapter (ST33052000).
Remove front drive shaft rear bearing.
SMT903CA
Mainshaft and Clutch DrumNBTF0078S021. Remove mounting bolts to detach baffle plate.
SMT904C
2. Set center case to press stand. Remove mainshaft from cen-
ter case.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Center Case (Cont'd)
TF-125

SMT910C
8. Remove press flange from mainshaft.
SMT911C
9. Remove return spring assembly from clutch hub.
SMT912C
10. Remove each plate from clutch drum.
SMT913C
11. Remove snap ring from mainshaft.
IDo not reuse snap ring.
SMT914C
12. Tap mainshaft with a plastic hammer to remove it from clutch
drum and clutch hub.
13. Remove needle bearing from mainshaft.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Center Case (Cont'd)
TF-127

SMT919C
2. Remove O-rings from oil strainer.
IDo not reuse O-rings.
SMT920C
3. Remove bolts for control valve.
SMT921C
4. Remove snap ring. Then push terminal assembly into center
case to remove control valve assembly.
SMT922CA
5. Remove lip seals from center case.
IDo not reuse lip seals.
IThere are two kinds of lip seals (lip seal of large inner
diameter: 5 pieces, lip seal of small inner diameter: 2
pieces). Confirm the position before disassembly.
SMT923C
6. Remove all bolts except for two.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Center Case (Cont'd)
TF-129

SMT929C
Mainshaft Rear BearingNBTF0078S051. Remove mainshaft rear bearing from center case using a
remover (ST35291000) and a remover (ST30090010).
SMT930C
Main Oil PumpNBTF0078S061. Remove bolts as shown in figure to detach main oil pump.
SMT931C
2. Remove outer gear and inner gear.
SMT932C
Sub-oil PumpNBTF0078S071. Remove bolts to detach transfer motor from center case. Then
remove O-ring from the transfer motor.
IDo not reuse O-ring.
SMT933C
2. Remove sub-oil pump mounting bolts.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Center Case (Cont'd)
TF-131

SMT939C
3. Remove O-rings from oil filter.
IDo not reuse O-rings.
SMT940C
4. Remove oil filter stud.
SMT941C
5. Remove O-ring from oil filter stud.
IDo not reuse O-ring.
SMT895C
Front Case
DISASSEMBLYNBTF00791. Remove rear case from center case. Refer to TF-123.
2. Remove front case from center case.
SMT990C
Shift Rod ComponentsNBTF0079S011. Remove check plug, then check spring and check ball.
2. Remove wait detection switch.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Center Case (Cont'd)
TF-133

SMT996C
2. Remove bolts to detach transfer cover.
IDo not reuse bolts.
SMT997C
3. Remove oil seal from transfer cover.
IDo not reuse oil seal.
SMT998C
4. Remove snap ring from main gear bearing.
IDo not reuse snap ring.
SMT999C
5. Remove sun gear by tapping it lightly.
SMT001D
6. Remove snap ring from sun gear.
IDo not reuse snap ring as it is a selective part.
7. Remove washer from sun gear.
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DISASSEMBLY
Front Case (Cont'd)
TF-135