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 

AT-17, "Cross-Sectional View"

 .

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