Infiniti Q45. Manual — part 87
DISASSEMBLY
AT-261
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DISASSEMBLY
PFP:31020
Disassembly
NCS0011H
CAUTION:
Do not disassemble parts behind Drum Support. Refer to
.
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 at figure.
a.
Insert a check tool into the groove of bearing support built into
one-way clutch outer race.
b.
When fixing bearing support with a check tool, rotate one-way
clutch spline using a screwdriver.
c.
Make sure 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.
SCIA5010E
SCIA3171E
SCIA4634E
AT-262
DISASSEMBLY
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.
SCIA5011E
SCIA2300E
SCIA5474E
SCIA5172E
DISASSEMBLY
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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 rear carrier assembly. (With
input clutch assembly and rear internal gear assembly.)
CAUTION:
Be careful to remove it with needle bearing.
SCIA5252E
SCIA2808E
SCIA5014E
SCIA2470E
SCIA5015E
AT-264
DISASSEMBLY
14. Loosen lock nut and remove band servo anchor end pin from
transmission case.
15. Remove brake band from transmission case.
●
To prevent brake linings from cracking 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.
16. Remove mid carrier assembly and rear carrier assembly as a
unit.
17. Remove mid carrier assembly from rear carrier assembly.
SCIA6512E
SCIA2580E
SAT655
SCIA5017E
SCIA5697E
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