Infiniti M45 (Y34). Manual — part 114
OVERHAUL
AT-341
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Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap
Rings
ACS004HA
SCIA5456E
AT-342
DISASSEMBLY
DISASSEMBLY
PFP:31020
Disassembly
ACS004HB
CAUTION:
●
Do not disassemble parts behind Drum Support. Refer to
●
When replacing the control valve assembly, erase EEP ROM in TCM. Refer to
for TCM, A/T Assembly and Control Valve Assembly Replacement"
1.
Drain ATF through drain plug.
2.
Remove torque converter by holding it firmly and turing while
pulling straight out.
3.
Check torque converter one-way clutch using a check tool as
shown in the figure.
a.
Insert the check tool into the groove of bearing support built into
one-way clutch outer race.
b.
When fixing bearing support with the check tool, rotate one-way
clutch spline using a screwdriver.
c.
Check that inner race rotates clockwise only. If not, replace
torque converter assembly.
4.
Remove converter housing from transmission case.
CAUTION:
Be careful not to scratch converter housing.
SCIA2297E
SCIA3171E
SCIA2298E
DISASSEMBLY
AT-343
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5.
Remove O-ring from input clutch assembly.
6.
Remove tightening bolts for oil pump assembly and transmis-
sion case.
7.
Attach the sliding hammers to oil pump assembly and extract it
evenly from transmission case.
CAUTION:
●
Fully tighten the sliding hammer screws.
●
Make sure that bearing race is installed to the oil pump
assembly edge surface.
8.
Remove O-ring from oil pump assembly.
SCIA2299E
SCIA2300E
SCIA5312E
SCIA5172E
AT-344
DISASSEMBLY
9.
Remove bearing race from oil pump assembly.
10. Remove needle bearing from front sun gear.
11. Remove front sun gear assembly from front carrier assembly.
NOTE:
Remove front sun gear by rotating left/right.
12. Remove seal rings from input clutch assembly.
13. Remove front carrier assembly from transmission case. (With
input clutch assembly and rear internal gear.)
CAUTION:
Be careful to remove it with needle bearing.
SCIA6529E
SCIA2808E
SCIA2302E
SCIA2470E
SCIA2303E
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