Infiniti F50. Manual - part 725

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

RFD-5

C

E

F

G

H

I

J

K

L

M

A

B

RFD

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

PFP:00003

NVH Troubleshooting Chart

EDS000YI

Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

×

: Applicable

Reference page

Re

fe

r to

 

RF

D-

1

6

, "

C

ont

act

 Sur

fac

es

"

Re

fe

r to

 

RF

D-

1

2

, "

T

O

O

T

H CONT

ACT

"

  

Re

fe

r to

 

RF

D-

1

6

, "

C

ont

act

 Sur

fac

es

"

  

Re

fe

r to

 

RF

D-

1

2

, "

Pr

e

-In

s

p

e

c

ti

o

n

"

—

Re

fe

r to

 

M

A

-23,

 "

C

hang

in

g

 D

if

fe

rent

ia

l 

G

ear

 O

il"

NVH 

in

 PR s

e

c

tio

n

.

N

V

H

 i

n

 F

AX,

 R

AX,

 FSU

 and R

S

U

 sect

ions

.

NVH in

 W

T

 s

e

c

ti

o

n

.

NVH in

 W

T

 s

e

c

ti

o

n

.

NVH 

in

 RAX s

e

c

tio

n

.

NVH 

in

 BR s

e

c

tio

n

.

NVH 

in

 PS s

e

c

tio

n

.

Possible cause and SUSPECTED PARTS

R

ough

 g

ear

 t

oot

h

Im

pr

ope

r gea

r cont

ac

t

T

o

o

th su

rf

aces

 w

o

rn

In

cor

rec

t bac

kl

ash

C

o

m

p

an

io

n

 f

lange

 ex

cess

iv

e 

ru

n

out

Im

pr

ope

r gea

r oi

l

PROPELLER SHAFT

AXLE AND 

S

U

SPENSI

ON

TIR

E

S

ROAD W

H

EEL

DRI

VE SHAFT

BRAKES

STEERING

Symptom

DIFFERENTIAL

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

RFD-6

FRONT OIL SEAL

FRONT OIL SEAL

PFP:38189

Removal and Installation

EDS000YJ

REMOVAL

1.

Remove the propeller shaft. Refer to 

PR-3, "REAR PROPELLER SHAFT"

 .

2.

Put a mark on the end of the drive pinion corresponding to the C
position mark on the final drive companion flange.

CAUTION:

●

For matching mark, use paint. Never damage drive pin-
ion.

●

The mark C on the final drive companion flange indicates
the maximum vertical runout position.

3.

Using the drive pinion flange wrench, Remove drive pinion nut.

4.

Using the puller, remove the companion flange.

5.

Using the side bearing outer race puller, remove oil seal.

INSTALLATION

1.

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

NOTE:

●

When installing the oil seal, be careful not to get it inclined.

●

Discard the old oil seal. Always replace with new one.

SDIA0963E

Tool number

: KV40104000 ( – ) 

SDIA1018E

Tool number

: ST33290001 (J34286)

SDIA0485E

Tool number

: ST30720000 (J25405)

SDIA0493E

FRONT OIL SEAL

RFD-7

C

E

F

G

H

I

J

K

L

M

A

B

RFD

2.

Align the matching mark of drive pinion with the matching mark
C of companion flange, then install the companion flange.

3.

Apply oil or grease on the screw part of drive pinion and the seating surface of drive pinion nut. 

4.

Install drive pinion nut with tool.

CAUTION:

The drive pinion nut is not reusable. Never reuse drive pinion nut.

5.

Install propeller shaft. Refer to 

PR-3, "REAR PROPELLER SHAFT"

 .

SDIA0963E

Tool number

: KV40104000 ( – )

: 147 - 323N-m (15.0 - 32.0 kg-m, 109 - 238 ft-lb)

RFD-8

SIDE OIL SEAL

SIDE OIL SEAL

PFP:33142

Removal and Installation

EDS000YK

REMOVAL

1.

Remove side flange with the following procedure for press-fitting.

a.

Remove rear ABS wheel sensor.Refer to 

BRC-68, "WHEEL SENSORS"

 .

b.

Remove drive shaft and axle assembly. Refer to 

RAX-9, "REAR DRIVE SHAFT"

  and 

RAX-5, "WHEEL

HUB"

 .

c.

Install Axle stand to both side flange.

d.

Using a sliding hammer, pull out the side flange.

2.

Remove oil seal using a flat-bladed screwdriver.

INSTALLATION

1.

Apply multi-purpose grease to sealing lips of oil seal.

2.

Using the drift, press-fit oil seal so that its surface comes face to
face with the end surface of the case.

CAUTION:

●

When installing the oil seal be careful not to get it
inclined.

●

Discard the old oil seal. Always replace with new one.

3.

Align the installing position of the ABS wheel sensor.

Tool number A

: KV40104100 ( – )

Tool number B

: ST3623000 (J25840-A)

SDIA1005E

Model

Circular clip installation position

R200

Final drive side

SDIA0495E

Tool number

: KV38100200 (J26233)

SDIA0496E