Infiniti QX4 (R50). Manual — part 517

Tool number
(Kent-Moore No.)
Tool name

Description

(J25269-18)
Side bearing discs
(2 Req’d)

NT135

Selecting pinion height adjusting washer

KV381052S0
(

—

)

Rear axle shaft dummy
1 KV38105210
(

—

)

Torque wrench side
2 KV38105220
(

—

)

Vice side

NT142

Checking differential torque on limited slip differen-
tial

KV38100500
(J25273)
Gear carrier front oil
seal drift

NT115

Installing front oil seal
a: 85 mm (3.35 in) dia.
b: 60 mm (2.36 in) dia.

Noise, Vibration and Harshness (NVH)
Troubleshooting

NBPD0051

Refer to “NVH TROUBLESHOOTING CHART”, PD-3.

SPD479A

On-vehicle Service

FRONT OIL SEAL REPLACEMENT

NBPD0030

1.

Remove propeller shaft.

2.

Loosen drive pinion nut.

Tool number: KV38108300 (J44195)

SPD737

3.

Remove companion flange.

REAR FINAL DRIVE

H233B

Preparation (Cont’d)

PD-40

SPD738

4.

Remove front oil seal.

SPD739

5.

Apply multi-purpose grease to cavity at sealing lips of oil seal.
Press front oil seal into carrier.

Tool number:

KV38100500 (J25273)

6.

Install companion flange and drive pinion nut.

7.

Install rear propeller shaft.

GI

MA

EM

LC

EC

FE

AT

TF

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

REAR FINAL DRIVE

H233B

On-vehicle Service (Cont’d)

PD-41

Components

NBPD0031

SPD362AA

REAR FINAL DRIVE

H233B

Components

PD-42

Removal and Installation

NBPD0032

REMOVAL

NBPD0032S01

I

Remove rear of propeller shaft.
Plug front end of transfer.

I

Remove axle shaft.
Refer to AX-19, “Removal”.

I

Remove rear final drive mounting bolts.

CAUTION:

Be careful not to damage spline, sleeve yoke and front oil seal
when removing propeller shaft.

SPD123

INSTALLATION

NBPD0032S02

I

Fill final drive with recommended gear oil.

SPD767

I

Pay attention to the direction of gasket.

SPD149

Disassembly

NBPD0033

PRE-INSPECTION

NBPD0033S01

Before disassembling final drive, perform the following inspection.

I

Total preload

a)

Turn drive pinion in both directions several times to seat bear-
ing rollers correctly.

b)

Check total preload with Tool.

Tool number: ST3127S000 (J25765-A)
Total preload:

1.2 - 2.0 N·m (12 - 20 kg-cm, 10 - 17 in-lb)

SPD246

I

Ring gear to drive pinion backlash
Check backlash of ring gear with a dial indicator at several
points.

Ring gear-to-drive pinion backlash:

0.13 - 0.18 mm (0.0051 - 0.0071 in)

GI

MA

EM

LC

EC

FE

AT

TF

AX

SU

BR

ST

RS

BT

HA

SC

EL

IDX

REAR FINAL DRIVE

H233B

Removal and Installation

PD-43