Infiniti M35/M45 Y50. Manual - part 765

DESCRIPTION

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DESCRIPTION

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Cross-Sectional View

NDS000EP

1.

Side retainer

2.

Side bearing

3.

Differential case

4.

Drive gear

5.

Pinion mate shaft

6.

Pinion mate gear

7.

Side gear

8.

Side shaft

9.

Gear carrier

10. Drive pinion

11.

Companion flange

12. Pinion front bearing

13. Pinion rear bearing

14. Extension tube retainer

15. Engine assembly

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DIFFERENTIAL GEAR OIL

DIFFERENTIAL GEAR OIL

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Changing Differential Gear Oil

NDS000EQ

DRAINING

1.

Stop engine.

2.

Remove drain plug (1) and drain gear oil.

3.

Set a gasket on drain plug (1) and install it to final drive assem-
bly and tighten to the specified torque. Refer to 

FFD-15, "COM-

PONENTS"

 .

CAUTION:

Do not reuse gasket.

FILLING

1.

Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.

2.

After refilling oil, check oil level. Set a gasket to filler plug (1),
then install it to final drive assembly. Refer to 

FFD-15, "COMPO-

NENTS"

 .

CAUTION:

Do not reuse gasket.

Checking Differential Gear Oil

NDS000ER

OIL LEAKAGE AND OIL LEVEL

●

Make sure that oil is not leaking from final drive assembly or around it.

●

Remove filler plug (1) and check oil level from filler plug mount-
ing hole as shown in the figure.

CAUTION:

Do not start engine while checking oil level.

●

Set a gasket on filler plug (1) and install it on final drive assem-
bly. Refer to 

FFD-15, "COMPONENTS"

 .

CAUTION:

Do not reuse gasket.

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Oil grade and Viscosity:

Refer to 

MA-12, "Fluids and Lubricants"

 .

Oil capacity:

Approx. 0.65  (1-3/8 US pt, 1-1/8 Imp pt)

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FRONT OIL SEAL

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FRONT OIL SEAL

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Removal and Installation

NDS000ES

REMOVAL

1.

Drain gear oil. Refer to 

FFD-8, "DRAINING"

 .

2.

Remove front propeller shaft. Refer to 

PR-5, "Removal and Installation"

 .

3.

Remove front drive shaft both. Refer to 

FAX-11, "Removal and Installation"

 .

4.

Remove side shaft assembly.

5.

Remove drive pinion lock nut using a flange wrench.

6.

Put matching mark (B) on the end of the drive pinion. The
matching mark (B) should be in line with the matching mark (A)
on companion flange (1).

CAUTION:

For matching mark, use paint. Do not damage companion
flange and drive pinion.

NOTE:
The matching mark (A) on the final drive companion flange (1)
indicates the maximum vertical runout position.

7.

Remove companion flange using a puller.

8.

Remove front oil seal using the puller.

CAUTION:

Be careful not to damage gear carrier.

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Tool number

A: KV381054S0 (J-34286)

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FFD-10

FRONT OIL SEAL

INSTALLATION

1.

Apply multi-purpose grease to front oil seal lips.

2.

Using the drifts, install front oil seal as shown in figure.

CAUTION:

●

Do not reuse oil seal.

●

When installing, do not incline oil seal.

3.

Align the matching mark (B) of drive pinion with the matching
mark (A) of companion flange, and then install the companion
flange (1).

4.

Apply anti-corrosion oil to the thread and seat of new drive pin-
ion lock nut, and temporarily tighten drive pinion lock nut to drive
pinion.

CAUTION:

Do not reuse drive pinion lock nut.

5.

Tighten to drive pinion lock nut, while adjust total preload torque.

CAUTION:

●

Adjust to the lower limit of the drive pinion lock nut tight-
ening torque first.

●

After adjustment, rotate drive pinion back and forth 2 to 3
times to check for unusual noise, rotation malfunction,
and other malfunctions.

●

If measured value is out of the specification, remove final
drive assembly and disassemble drive pinion parts to check
and adjust each part. Refer to 

FFD-13, "Removal and Installa-

tion"

  and 

FFD-15, "Disassembly and Assembly"

 .

6.

Install front propeller shaft. Refer to 

PR-5, "Removal and Installation"

 .

7.

Install side shaft assembly.

8.

Install front drive shaft both. Refer to 

FAX-11, "Removal and Installation"

 . 

9.

Refill gear oil to the final drive and check oil level. Refer to 

FFD-8, "FILLING"

 .

10. Check the final drive for oil leakage. Refer to 

FFD-8, "OIL LEAKAGE AND OIL LEVEL"

 .

Tool number

A: ST33400001 (J-26082)

B: KV38102510 (

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)

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Tool number

A: ST3127S000 (J-25765-A)

Drive pinion lock nut tightening torque:

127.4 - 245.0 N·m (13.0 - 25.0 kg-m, 94 - 181 ft-lb)

Total preload torque:

1.56 - 2.65 N·m (0.16 - 0.27 kg-m, 14 - 23 in-lb)

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