Infiniti F50. Manual - part 727

REAR FINAL DRIVE ASSEMBLY

RFD-13

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RFD

Disassembly and Assembly

EDS000YO

REMOVAL OF DIFFERENTIAL CASE ASSEMBLY

1.

Using two 45 mm (1.77 in) spacers, mount carrier on Tool.

2.

For proper reinstallation, paint match marks on one side of the
bearing cap.
Bearing caps are line-board during manufacture. Replace them
in their proper positions.

3.

Remove bearing caps.

4.

Lift differential case assembly out with Tool.

Tool number:

KV38100800 (J25604–01)

SDIA1008E

SPD889

S-PD343

Tool number:

HT72400000 (  –  )

S-PD344

RFD-14

REAR FINAL DRIVE ASSEMBLY

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Keep the side bearing outer races together with inner race.
Do not mix them up.
Also, keep adjusting washers together with bearings.

REMOVAL OF DRIVE PINION ASSEMBLY

1.

Put matchmarks on companion flange and drive pinion with
paint.

2.

Loosen drive pinion nut and pull off companion flange.

3.

Take out drive pinion (together with rear bearing inner race, pin-
ion bearing adjusting spacer).

4.

Remove front oil seal. Refer to 

RFD-6, "FRONT OIL SEAL"

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5.

Remove pinion front bearing inner race.

6.

Remove side oil seal. Refer to 

RFD-8, "SIDE OIL SEAL"

 .

SPD919

SDIA1033E

Tool number:

KV40104000 ( – )

SDIA1129E

SPD892

REAR FINAL DRIVE ASSEMBLY

RFD-15

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RFD

7.

Remove pinion bearing outer races with a brass drift.

8.

Remove pinion rear bearing inner race and drive pinion height
adjusting washer with Tool.

DISASSEMBLY OF DIFFERENTIAL CASE ASSEMBLY

1.

Remove side bearing inner race.
To prevent damage to bearing, engage puller jaws in groove.

SDIA0817E

Tool number:

ST30031000 (J22912-01)

S-PD179

Tool number:

A   ST3305S001 (   –   )

B   ST33061000 (J8107-2)

SPD920

RFD-16

REAR FINAL DRIVE ASSEMBLY

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Be careful not to confuse left- and right-hand parts.

2.

Loosen ring gear bolts in a criss-cross fashion.

3.

Tap ring gear off the differential case with a soft hammer.

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Tap evenly all around to keep ring gear from binding.

4.

Drive out pinion mate shaft lock pin with punch from ring gear
side.

INSPECTION
Contact  Surfaces

1.

Clean the disassembled parts in suitable solvent and blow dry with compressed air.

2.

If following surfaces are found to be burred or scratched, smooth with oil stone.

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Differential case

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Side gear

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Pinion mate gear

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Pinion mate shaft

Bearing

1.

Thoroughly clean bearing.

2.

Check bearings for wear, scratches, pitting or flaking.
Check tapered roller bearing for smooth rotation. If damaged,
replace outer race and inner race as a set.

SPD022

SPD024

SPD025

SPD715