service INFINITI FX35 2008 Service Manual

OVERHAULAT-265
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VQ35DE models for AWD
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AT-266
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OVERHAUL
VK45DE models for AWD
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DISASSEMBLYAT-267
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DISASSEMBLY
DisassemblyINFOID:0000000001327403
CAUTION:
Do not disassemble parts behind drum support. Refer to AT-16, "
Cross-Sectional View (2WD Models)",
AT-17, "
Cross-Sectional View (VQ35DE Models for AWD)" or AT-18, "Cross-Sectional View (VK45DE
Models for AWD)".
1. Drain ATF through drain plug.
2. Remove torque converter by holding it firmly and turning while pulling straight out.
3. Check torque converter one-way clutch using check tool as shown in the figure.
a. Insert check tool into the groove of bearing support built into one-way clutch outer race.
b. When fixing bearing support with check tool, rotate one-way clutch spline using screwdriver.
c. Make sure that inner race rotates clockwise only. If not, replace torque converter assembly.
4. Remove tightening bolts (1) for converter housing and transmis- sion case.
 : Bolt (8)
 Self-sealing bolts (2)
5. Remove converter housing from transmission case. CAUTION:
Be careful not to scratch converter housing.
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AT-268
< SERVICE INFORMATION >
DISASSEMBLY
6. Remove O-ring from input clutch assembly.
7. Remove tightening bolts for oil pump assembly and transmis-sion case.
8. Attach the sliding hammers to oil pump assembly and extract it evenly from transmission case.
CAUTION:
 Fully tighten sliding hammer screw.
 Make sure that bearing race is installed to the oil pumpassembly edge surface.
9. Remove O-ring from oil pump assembly.
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DISASSEMBLYAT-269
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10. Remove bearing race from oil pump assembly.
11. Remove needle bearing from front sun gear.
12. Remove front sun gear assembly from front carrier assembly. NOTE:
Remove front sun gear by rotating left/right.
13. Remove seal rings from input clutch assembly.
14. Remove front carrier assembly from rear carrier assembly. (With input clutch assembly and rear internal gear.)
CAUTION:
Be careful to remove it with needle bearing.
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AT-270
< SERVICE INFORMATION >
DISASSEMBLY
15. Loosen lock nut and remove band servo anchor end pin fromtransmission case.
16. Remove brake band from transmission case.
To prevent brake linings from cr acking or peeling, do not
stretch the flexible band unnecessarily. When removing
the brake band, always secure it with a clip as shown in
the figure at right.
Leave the clip in position after removing the brake band.
 Check brake band facing for damage, cracks, wear or
burns.
17. Remove mid carrier assembly and rear carrier assembly as a unit.
18. Remove mid carrier assembly from rear carrier assembly.
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DISASSEMBLYAT-271
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19. Remove needle bearing (front side) from mid carrier assembly.
20. Remove needle bearing (rear side) from mid carrier assembly.
21. Remove bearing race from rear carrier assembly.
22. Remove needle bearing from rear carrier assembly.
23. Remove mid sun gear assembly , rear sun gear assembly and
high and low reverse clutch hub as a unit.
CAUTION:
Be careful to remove then with bearing race and needle
bearing.
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AT-272
< SERVICE INFORMATION >
DISASSEMBLY
24. Remove high and low reverse clutch assembly from direct clutchassembly.
CAUTION:
Make sure that needle bearing is installed to the high and
low reverse clutch assembly edge surface.
25. Remove direct clutch assembly from reverse brake.
26. Remove needle bearing from drum support.
27. Remove snap ring from A/T assembly harness connector.
28. Push A/T assembly harness connector. CAUTION:
Be careful not to damage connector.
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DISASSEMBLYAT-273
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29. Remove bracket (1) (VK45DE), clips (2), oil pan (3) and oil pan gasket.
 : Vehicle front
 : Bolt (22)
 Drain plug (4)
30. Check foreign materials in oil pan to help determine causes of malfunction. If the ATF is very dark, smells burned, or contains
foreign particles, the frictional material (clutches, band) may
need replacement. A tacky film that will not wipe clean indicates
varnish build up. Varnish can c ause valves, servo, and clutches
to stick and can inhibit pump pressure.
 If frictional material is detected, perform A/T fluid cooler
cleaning. Refer to AT-13, "
A/T Fluid Cooler Cleaning".
31. Remove magnets from oil pan.
32. Disconnect A/T fluid temperature sensor 2 connector (1). CAUTION:
Be careful not to damage connector.
33. Straighten terminal clips ( ) to free terminal cord assembly and A/T fluid temperature sensor 2 harness.
34. Disconnect revolution sensor connector. CAUTION:
Be careful not to damage connector.
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AT-274
< SERVICE INFORMATION >
DISASSEMBLY
35. Straighten terminal clip to free revolution sensor harness.
36. Remove bolts A, B and C from control valve with TCM. : Front
37. Remove control valve with TCM from transmission case. CAUTION:
When removing, be careful with the manual valve notch and
manual plate height. Remove it vertically.
38. Remove A/T fluid temperature sensor 2 with bracket from con- trol valve with TCM.
39. Remove bracket from A/T fluid temperature sensor 2.
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Bolt symbol Length mm (in) Number of bolts A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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