Infiniti G37 Coupe. Manual - part 424

DLN-10

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[REAR PROPELLER SHAFT: 3S80A]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000001714149

Propeller Shaft Runout

INFOID:0000000001714150

Unit: mm (in)

Journal Axial Play

INFOID:0000000001714151

Unit: mm (in)

Applied model

 2WD

 VQ37VHR

 M/T

Propeller shaft model

3S80A

Number of joints

3

Type of journal bearings
(Non-disassembly type)

1st joint

Shell type

2nd joint

Shell type

3rd joint

Shell type

Coupling method with transmission

Sleeve type

Coupling method with rear final drive

Flange type

Shaft length

1st (Spider to spider)

762 mm (30.00 in)

2nd (Spider to spider)

759 mm (29.88 in)

Shaft outer diameter

1st

82.6 mm (3.25 in)

2nd

75.0 mm (2.95 in)

Item

Limit

Propeller shaft runout

0.8 (0.031)

Item

Standard

Journal axial play

0 (0)

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

DLN-11

< SYMPTOM DIAGNOSIS >

[REAR PROPELLER SHAFT: 3S80A-R]

C

E

F

G

H

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B

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SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000001714152

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

×

: Applicable

Reference

DL

N

-13

, "

In

sp

ec

tio

n

"

DL

N

-17

, "

In

sp

ec

tio

n

"

—

DL

N

-17

, "

In

sp

ec

tio

n

"

—

DL

N

-17

, "

In

sp

ec

tio

n

"

DL

N

-17

, "

In

sp

ec

tio

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

S

ROAD W

H

EEL

DRIV

E SHAFT

BRA

KES

ST

EERING

Symptom

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

×

×

×

×

×

DLN-12

< PREPARATION >

[REAR PROPELLER SHAFT: 3S80A-R]

PREPARATION

PREPARATION

PREPARATION

Commercial Service Tools

INFOID:0000000001714153

Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0190E

REAR PROPELLER SHAFT

DLN-13

< ON-VEHICLE MAINTENANCE >

[REAR PROPELLER SHAFT: 3S80A-R]

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ON-VEHICLE MAINTENANCE

REAR PROPELLER SHAFT

Inspection

INFOID:0000000001714154

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.

Measure propeller shaft runout at several 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-18, "Propel-

ler Shaft Runout"

.

SDIA1087E

: Vehicle front

Dimension

A: 192 mm (7.56 in)

B: 172 mm (6.77 in)

C: 172 mm (6.77 in)

JSDIA0169ZZ