Infiniti EX35. Manual - part 532

DLN-78

< SYMPTOM DIAGNOSIS >

[REAR PROPELLER SHAFT: 3S80A-R]

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000003135758

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

×

: Applicable

Reference

DL

N-80

, "I

ns

pe

cti

o

n

"

DL

N-84

, "I

ns

pe

cti

o

n

"

—

DL

N-84

, "I

ns

pe

cti

o

n

"

—

DL

N-84

, "I

ns

pe

cti

o

n

"

DL

N-84

, "I

ns

pe

cti

o

n

"

NV

H 

in

 D

L

N

 s

e

c

ti

on.

N

V

H

 in F

A

X

, RAX, 

FSU and RSU section.

NV

H 

in

 WT s

e

cti

on

.

NV

H 

in

 WT s

e

cti

on

.

NV

H 

in

 R

A

X

 s

e

c

tio

n.

NV

H 

in

 B

R

 s

ec

tio

n.

NV

H 

in

 S

T

 s

e

c

ti

o

n

.

Possible cause and SUSPECTED PARTS

Un

ev

en

 rot

a

ti

ng

 to

rqu

e

Cen

ter be

ari

n

g i

mpro

p

e

r in

st

a

lla

ti

on

Exce

ss

iv

e c

en

te

r be

ari

ng

 ax

ia

l e

nd

 pl

ay

Cen

ter be

ari

n

g mo

un

ti

n

g

 (i

ns

ul

at

o

r) 

c

rac

ks

, d

a

m

a

g

e

 or d

e

te

rio

rat

io

n

Exce

ss

iv

e j

o

in

t a

n

g

le

Rot

a

ti

on

 im

ba

lan

c

e

Exce

ss

iv

e ru

no

ut

DIF

F

ERENTI

AL

AX

LE A

N

D

 SUSPENSION

TI

RE

ROAD W

H

EEL

DRIV

E SHAFT

BRA

K

E

ST

EERING

Symptom

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

×

×

×

×

×

PREPARATION

DLN-79

< PREPARATION >

[REAR PROPELLER SHAFT: 3S80A-R]

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DLN

N

O

P

PREPARATION

PREPARATION

Commercial Service Tools

INFOID:0000000003135759

Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0190E

DLN-80

< ON-VEHICLE MAINTENANCE >

[REAR PROPELLER SHAFT: 3S80A-R]

REAR PROPELLER SHAFT

ON-VEHICLE MAINTENANCE

REAR PROPELLER SHAFT

Inspection

INFOID:0000000003135760

NOISE

• Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
• If center bearing is noisy or damaged, replace propeller shaft assembly.

VIBRATION

If vibration is present at high speed, inspect propeller shaft runout first.
1.

With a dial indicator, measure propeller shaft runout at runout
measuring points by rotating final drive companion flange with
hands.

2.

If runout still exceeds specifications, separate propeller shaft at
final drive companion flange; then rotate companion flange 120,
240 degrees and install propeller shaft.

3.

Check runout again. If runout still exceeds specifications,
replace propeller shaft assembly. 

4.

Check the vibration by driving vehicle.

RUNOUT MEASURING POINT

Propeller shaft runout measuring point (Point “ ”).

Limit

Propeller shaft runout

: Refer to 

DLN-85, "Propel-

ler Shaft Runout"

.

SDIA1087E

: Vehicle front

Standard

A

: 192 mm (7.56 in)

B

: 172 mm (6.77 in)

C

: 172 mm (6.77 in)

JSDIA0169ZZ

REAR PROPELLER SHAFT

DLN-81

< ON-VEHICLE REPAIR >

[REAR PROPELLER SHAFT: 3S80A-R]

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ON-VEHICLE REPAIR

REAR PROPELLER SHAFT

Exploded View

INFOID:0000000003135761

Removal and Installation

INFOID:0000000003135762

REMOVAL

1.

Shift the transaxle to the neutral position, and then release the parking brake.

2.

Remove the floor reinforcement.

3.

Remove the center muffler with power tool. Refer to 

EX-5, "Exploded View"

.

4.

Remove the heat plate (1).

1.

Clip

2.

Center bearing mounting bracket 
(upper)

3.

Propeller shaft assembly

4.

Center bearing mounting bracket 
(lower)

: Vehicle front

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDID0140GB

JPDID0184ZZ