Infiniti M45 (Y34). Manual - part 121

REPAIR FOR COMPONENT PARTS

AT-369

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b.

Remove 1st one-way clutch from rear sun gear.

5.

Remove seal rings from mid sun gear.

INSPECTION
High and Low Reverse Clutch Hub Snap Ring, Rear Sun Gear Snap Ring

●

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the snap ring.

1st One-Way Clutch

●

Check frictional surface for wear or damage.

CAUTION:

If necessary, replace the 1st one-way clutch.

Mid Sun Gear

●

Check for deformation, fatigue or damage.

CAUTION:

Replace mid sun gear assembly and high and low reverse clutch assembly as a set if necessary.

Rear Sun Gear

●

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the rear sun gear.

High and Low Reverse Clutch Hub

●

Check for deformation, fatigue or damage.

CAUTION:

If necessary, replace the high and low reverse clutch hub.

SCIA4633E

SCIA2861E

AT-370

REPAIR FOR COMPONENT PARTS

ASSEMBLY

1.

Install seal rings from mid sun gear.

CAUTION:

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Do not reuse seal rings.

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Apply petroleum jelly to seal rings.

2.

Install 1st one-way clutch in rear sun gear.

CAUTION:

Apply petroleum jelly to 1st one-way clutch.

3.

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

4.

Install rear sun gear assembly in mid sun gear assembly.

SCIA2861E

SCIA4633E

SCIA2859E

SCIA2858E

REPAIR FOR COMPONENT PARTS

AT-371

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5.

Install needle bearing in high and low reverse clutch hub.

CAUTION:

Apply petroleum jelly to needle bearing.

6.

Install high and low reverse clutch hub in mid sun gear assem-
bly.

7.

Using a pair of snap ring pliers, install snap ring in high and low
reverse clutch hub.

CAUTION:

Do not expand snap ring excessively.

8.

Check operation of 1st one-way clutch.

a.

Hold mid sun gear and turn rear sun gear.

b.

Check 1st one-way clutch for correct locking and unlocking
directions.

CAUTION:

If not as shown in the figure, check installation direction of
1st one-way clutch.

9.

Install needle bearing and bearing race.

CAUTION:

Apply petroleum jelly to needle bearing and bearing race.

SCIA2857E

SCIA2856E

SCIA2855E

SCIA3132E

SCIA2854E

AT-372

REPAIR FOR COMPONENT PARTS

High and Low Reverse Clutch

ACS004HG

COMPONENTS

DISASSEMBLY

1.

Remove bearing race from high and low reverse clutch drum.

2.

Using a flat-bladed screwdriver, remove snap ring from high and
low reverse clutch drum.

3.

Remove drive plates, driven plates and retaining plate from high
and low reverse clutch drum.

1.

High and low reverse clutch drum

2.

Driven plate

3.

Retaining plate

4.

Snap ring

5.

Drive plate

6.

Bearing race

SCIA5224E

SCIA5215E

SCIA2868E