Infiniti Q45. Manual - part 92

REPAIR FOR COMPONENT PARTS

AT-281

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INSPECTION
3rd One-way Clutch

Check frictional surface for wear or damage.

CAUTION:

If necessary, replace the 3rd one-way clutch.

Front Sun Gear Snap Ring

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the snap ring.

Front Sun Gear

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the front sun gear.

ASSEMBLY

1.

Install 3rd one-way clutch in front sun gear.

CAUTION:

Apply ATF to 3rd one-way clutch.

2.

Using a flat-bladed screwdriver, install snap ring in front sun
gear.

3.

Check operation of 3rd one-way clutch.

a.

Hold oil pump assembly and turn front sun gear.

b.

Check 3rd one-way clutch for correct locking and unlocking
directions.

CAUTION:

If not as shown in figure, check installation direction of 3rd
one-way clutch.

SCIA3111E

SCIA3110E

SCIA3131E

AT-282

REPAIR FOR COMPONENT PARTS

Front Carrier, Input Clutch, Rear Internal Gear

NCS0011K

COMPONENTS

1.

Seal ring

2.

O-ring

3.

Needle bearing

4.

Bearing race

5.

Front carrier assembly

6.

Needle bearing

7.

Snap ring

8.

Snap ring

9.

Retaining plate

10. Driven plate

11.

Input clutch drum

12. Drive plate

13. Rear internal gear assembly

Refer to GI section to make sure icons (symbol marks) in the figure. Refer to 

GI-9, "Components"

 .

SCIA7070E

REPAIR FOR COMPONENT PARTS

AT-283

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DISASSEMBLY

1.

Compress snap ring using 2 flat-bladed screwdrivers.

2.

Remove front carrier assembly and input clutch assembly from
rear internal gear assembly.

3.

Remove front carrier assembly from input clutch assembly.

a.

Remove bearing race from front carrier assembly.

b.

Remove needle bearing from front carrier assembly.

c.

Remove snap ring from front carrier assembly.

CAUTION:

Do not expand snap ring excessively.

SCIA7475E

SCIA2847E

SCIA5233E

SCIA5476E

AT-284

REPAIR FOR COMPONENT PARTS

4.

Disassemble input clutch assembly.

a.

Remove O-ring and seal rings from input clutch assembly.

b.

Remove needle bearing from input clutch assembly.

c.

Using a flat-bladed screwdriver, remove snap ring from input
clutch drum.

d.

Remove drive plates, driven plates and retaining plate from input
clutch drum.

INSPECTION
Front Carrier Snap Ring

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the snap ring.

Input Clutch Snap Ring

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the input clutch assembly.

Input Clutch Drum

Check for deformation, fatigue or damage or burns.

CAUTION:

If necessary, replace the input clutch assembly.

Input Clutch Drive Plates

Check facing for burns, cracks or damage.

CAUTION:

If necessary, replace the input clutch assembly.

Input Clutch Retaining Plates and Driven Plates

Check facing for burns, cracks or damage.

SCIA5235E

SCIA2853E

SCIA2864E