Infiniti F50. Manual — part 724

RFD-1

REAR FINAL DRIVE

D DRIVELINE/AXLE

CONTENTS

C

E

F

G

H

I

J

K

L

M

SECTION

A

B

RFD

REAR FINAL DRIVE

PREPARATION . . . . . . . . . . . . . . ... 2

Special Service Tools . . . . . . . . . . . ... 2
Commercial Service Tools . . . . . . . . . . 4

NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . 5

NVH Troubleshooting Chart . . . . . . . . . . 5

FRONT OIL SEAL . . . . . . . . . . . . . .. 6

Removal and Installation . . . . . . . . . . .. 6

REMOVAL . . . . . . . . . . . . . . . . 6
INSTALLATION . . . . . . . . . . . . . . 6

SIDE OIL SEAL . . . . . . . . . . . . . . .. 8

Removal and Installation . . . . . . . . . . .. 8

REMOVAL . . . . . . . . . . . . . . . . 8
INSTALLATION . . . . . . . . . . . . . . 8

REAR FINAL DRIVE ASSEMBLY . . . . . . . 10

Removal and Installation . . . . . . . . . . 10

REMOVAL . . . . . . . . . . . . . . ... 10
INSTALLATION . . . . . . . . . . . . ... 10

Components . . . . . . . . . . . . . . . 11

R200 2–PINION . . . . . . . . . . . . ...11

Pre-Inspection . . . . . . . . . . . . . . 12

TOTAL PRELOAD . . . . . . . . . . . ... 12
RING GEAR TO DRIVE PINION BACKLASH . 12
RING GEAR RUNOUT . . . . . . . . . . 12
TOOTH CONTACT . . . . . . . . . . . .. 12

Disassembly and Assembly . . . . . . . . ... 13

REMOVAL OF DIFFERENTIAL CASE ASSEM-

BLY . . . . . . . . . . . . . . . . . .. 13
REMOVAL OF DRIVE PINION ASSEMBLY . . 14
DISASSEMBLY OF DIFFERENTIAL CASE
ASSEMBLY . . . . . . . . . . . . . . . 15
INSPECTION . . . . . . . . . . . . . .. 16
ADJUSTMENT OF DIFFERENTIAL CASE . . . 17
SIDE BEARING PRELOAD . . . . . . . . . 17
PINION GEAR HEIGHT . . . . . . . . . .. 19
TOOTH CONTACT . . . . . . . . . . . .. 22
ASSEMBLY OF DIFFERENTIAL CASE ASSEM-
BLY . . . . . . . . . . . . . . . . . .. 23
INSTALLATION OF DRIVE PINION ASSEMBLY ... 24
INSTALLATION OF DIFFERENTIAL CASE
ASSEMBLY . . . . . . . . . . . . . . . 25

SERVICE DATA AND SPECIFICATIONS (SDS) . .. 28

General Specifications . . . . . . . . . . . 28
Ring Gear Runout . . . . . . . . . . . . ... 28
Side Gear Adjustment . . . . . . . . . . . 28

AVAILABLE SIDE GEAR THRUST WASHERS ... 28

Drive Pinion Height Adjustment . . . . . . . .. 29

AVAILABLE PINION HEIGHT ADJUSTING
WASHERS . . . . . . . . . . . . . . .. 29

Drive Pinion Preload Adjustment . . . . . . . 29
Side Bearing Preload Adjustment . . . . . . ... 29

SIDE BEARING ADJUSTING WASHERS . . .. 29

Total Preload Adjustment . . . . . . . . . . 29

RFD-2

PREPARATION

PREPARATION

PFP:00002

Special Service Tools

EDS000YG

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool name
Tool number (Kent-Moore No.)

Description

Drift

ST30720000 (J25405)
a: 77 mm (3.03 in) dia.
b: 55 mm (2.17 in) dia.

Installing front oil seal

Drift

KV38100200 (J26233)
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.

Installing final drive side oil seal

Protector

KV38107900 (J39352)

Installing final drive side flange

Attachment

KV38100800 (J25604-01)
a: 541 mm (21.30 in)
b: 200 mm (7.87 in)

Fixing unit assembly

Differential side bearing puller set
ST3306S001 ( – )
1.ST3305S001 ( – )
2.ST33061000 (J8107–2)
a: 28.5 mm (1.122 in) dia.
b: 38 mm (1.50 in) dia.

Removing and installing side bearing

Drift

ST30613000 (J25742-3)
a: 72 mm (2.83 in) dia.

b: 48 mm (1.89 in) dia.

Installing pinion front and bearing outer
race

Drift

KV38100300 (J25523)
a: 54 mm (2.13 in) dia.
b: 46 mm (1.81 in) dia.
c: 32 mm (1.26 in) dia.

Installing side bearing

ZZA0811D

ZZA1143D

S-NT129

SDIA0267E

NT072

ZZA0810D

ZZA1046D

PREPARATION

RFD-3

C

E

F

G

H

I

J

K

L

M

A

B

RFD

Drive pinion flange wrench

KV40104000 ( – )
a : 85 mm (3.35 in) dia.
b : 65 mm (2.56 in) dia.

Removing and installing drive pinion lock
nut

Sliding hammer
ST36230000 (J25840-A)

Removing side flange

Axle Stand
KV40104100 ( – )

Removing side flange

Sliding hammer
HT72400000 ( – )

Removing differential case assembly

Drive pinion rear inner race puller set
ST3090S000 ( – )
1. ST30031000 (J22912-01) Puller
2. ST30901000 ( – ) Base
Equivalent tool (J26010-01)

a : 90 mm (3.54 in) dia.
b : 80 mm (3.15 in) dia.
c : 50 mm (1.97 in) dia.
d : 79 mm (3.11 in) dia.
e : 45 mm (1.77 in) dia.
f : 35 mm (1.38 in) dia.

Removing and installing drive pinion rear
bearing inner race

Drift

ST30611000 (J25742–1)

Installing pinion rear bearing outer race
(Use with ST30613000)

Preload gauge
ST3127S000 (see J25765-A)
1. GG91030000
Torque wrench (J25765)
2. HT62940000 ( – )
Socket adapter (1/2

″

)

3. HT62900000 ( – )
Socket adapter (3/8

″

)

Measuring pinion bearing preload and total
preload

Tool name
Tool number (Kent-Moore No.)

Description

NT659

ZZA0803D

ZZA0804D

S-NT125

S-NT640

S-NT090

NT124

RFD-4

PREPARATION

Commercial Service Tools

EDS000YH

Side bearing outer race puller
ST33290001 (J34286)

Removing oil seal

Differential shim selection (J34309)

Adjusting bearing preload gear height

Tool name
Tool number (Kent-Moore No.)

Description

NT713

NT134

Power tool

PBIC0190E