Infiniti QX56 (Z62). Manual - part 728

FAX-14

< PREPARATION >

[4WD]

PREPARATION

Drive shaft puller

Removing drive shaft joint sub assembly 

Sliding hummer

Removing drive shaft 

Tool name

Description

JPDIG0152ZZ

ZZA0023D

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

FAX-15

< SYMPTOM DIAGNOSIS >

[4WD]

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SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000006225393

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

×

: Applicable

Reference

—

F

AX-28

—

F

AX-18

—

F

AX-16

NV

H 

in

 F

A

X

 an

d F

S

U s

ec

tio

ns

Re

fe

r to

 FRONT AXL

E i

n

 t

h

is cha

rt.

NV

H in

 WT se

cti

on

NV

H in

 WT se

cti

on

Re

fe

r to

 DRIVE S

H

A

FT i

n

 t

h

is cha

rt.

NV

H 

in

 B

R

 s

e

c

tio

n

NV

H 

in

 S

T

 s

e

c

ti

o

n

Possible cause and SUSPECTED PARTS

Exc

e

ss

iv

e j

o

in

t a

n

g

le

Jo

in

t s

lid

in

g re

si

stan

ce

Im

ba

lan

c

e

Im

pro

per in

st

a

lla

ti

on

, 

lo

os

en

es

s

Part

s interference

Whe

el

 be

ari

ng

 da

ma

ge

FRONT AXLE AND F

R

ONT

 SUSPENSI

ON

FRONT AXL

E

TIRE

ROA

D

 WHEEL

DRIVE SHA

F

T

BRAKE

STEERI

N

G

Symptom

DRIVE 
SHAFT

Noise

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

×

FRONT 
AXLE

Noise

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

×

Shimmy

×

×

×

×

×

×

×

Judder

×

×

×

×

×

×

Poor quality ride or handling

×

×

×

×

×

FAX-16

< PERIODIC MAINTENANCE >

[4WD]

FRONT WHEEL HUB AND KNUCKLE

PERIODIC MAINTENANCE

FRONT WHEEL HUB AND KNUCKLE

Inspection

INFOID:0000000006225394

MOUNTING INSPECTION

Make sure that the mounting conditions (looseness, backlash) of each component and component conditions
(wear, damage) are normal.

WHEEL BEARING INSPECTION

• Move wheel hub and bearing assembly in the axial direction by hand. Make sure there is no looseness of

wheel hub and bearing assembly.

• Rotate wheel hub and bearing assembly and make sure that is no unusual noise or other irregular condi-

tions. If there is any of irregular conditions, replace wheel hub and bearing assembly.

Axial end play

: Refer to 

FAX-29, "Wheel Hub and 

Bearing Assembly"

.

FRONT DRIVE SHAFT

FAX-17

< PERIODIC MAINTENANCE >

[4WD]

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FRONT DRIVE SHAFT

Inspection

INFOID:0000000006225395

Check the following items, and replace the part if necessary.
• Check drive shaft mounting point and joint for looseness and other damage.

CAUTION:

Replace entire drive shaft assembly when noise or vibration occurs from drive shaft.

• Check boot for cracks and other damage.