Infiniti FX35 / FX45. Manual - part 699

FFD-6

< SERVICE INFORMATION >

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000001327479

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

×

: Applicable

Reference page

Refe

r to

 

FF

D-17,

 "

Di

sa

sse

mb

ly

 an

d Ass

e

m

b

ly

"

.

Refe

r to

 

FF

D-17,

 "

Di

sa

sse

mb

ly

 an

d Ass

e

m

b

ly

"

.

Refe

r to

 

FF

D-17,

 "

Di

sa

sse

mb

ly

 an

d Ass

e

m

b

ly

"

.

Refe

r to

 

FF

D-17,

 "

Di

sa

sse

mb

ly

 an

d Ass

e

m

b

ly

"

.

Refe

r to

 

FF

D-17,

 "

Di

sa

sse

mb

ly

 an

d Ass

e

m

b

ly

"

.

Refe

r to

 

FF

D-8, "

Chec

k

ing

 Dif

fe

ren

tia

l Ge

ar Oi

l"

.

NVH in PR section.

NVH in F

AX, RAX

, FSU 

and RSU sections.

NVH in WT

 se

ct

io

n.

NVH in WT

 se

ct

io

n.

NVH in F

AX and RAX section.

NVH in BR section.

NVH in PS 

section.

Possible cause and SUSPECTED PARTS

Ge

ar t

o

ot

h ro

ug

h

Gea

r co

nt

ac

t im

pro

p

e

r

T

o

ot

h s

u

rf

ac

es

 worn

Ba

ckl

a

s

h

 i

n

co

rrect

Co

mp

an

io

n

 f

lan

ge

 ex

ces

si

ve

 run

o

u

t

Gea

r oi

l im

p

rope

r

PROPELLER SHAF

T

AXLE AND SUSPE

NSION

TIRE

ROA

D

 WHEEL

DRIVE SHA

F

T

BRAKE

STEERI

N

G

Symptom

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×

DESCRIPTION

FFD-7

< SERVICE INFORMATION >

C

E

F

G

H

I

J

K

L

M

A

B

FFD

N

O

P

DESCRIPTION

Cross-Sectional View

INFOID:0000000001327480

VQ35DE models

VK45DE models

PDIA0647E

1.

Side retainer

2.

Side bearing

3.

Differential case

4.

Drive gear

5.

Pinion mate shaft

6.

Pinion mate gear

7.

Side gear

8.

Side shaft

9.

Gear carrier

10. Drive pinion

11.

Companion flange

12. Pinion front bearing

13. Pinion rear bearing

14. Extension tube retainer

15. Engine assembly

PDIA1214E

1.

Side retainer

2.

Side bearing

3.

Differential case

4.

Drive gear

5.

Pinion mate shaft

6.

Pinion mate gear

7.

Side gear

8.

Side shaft

9.

Gear carrier

10. Drive pinion

11.

Companion flange

12. Pinion front bearing

13. Pinion rear bearing

14. Extension tube retainer

15. Engine assembly

FFD-8

< SERVICE INFORMATION >

DIFFERENTIAL GEAR OIL

DIFFERENTIAL GEAR OIL

Changing Differential Gear Oil

INFOID:0000000001327481

DRAINING

1.

Stop engine.

2.

Remove drain plug (1) and drain gear oil.

3.

Set a gasket on drain plug (1) and install it to final drive assem-
bly and tighten to the specified torque. Refer to 

FFD-17, "Disas-

sembly and Assembly"

, 

FFD-17, "Disassembly and Assembly"

.

CAUTION:

Never reuse gasket.

FILLING

1.

Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.

2.

After refilling oil, check oil level. Set a gasket to filler plug (1),
then install it to final drive assembly. Refer to 

FFD-17, "Disas-

sembly and Assembly"

, 

FFD-17, "Disassembly and Assembly"

.

CAUTION:

Never reuse gasket.

Checking Differential Gear Oil

INFOID:0000000001327482

OIL LEAKAGE AND OIL LEVEL

• Make sure that oil is not leaking from final drive assembly or around it.
• Remove filler plug (1) and check oil level from filler plug mounting

hole as shown in the figure.

CAUTION:

Never start engine while checking oil level.

• Set a gasket on filler plug (1) and install it on final drive assembly.

Refer to 

FFD-17, "Disassembly and Assembly"

, 

FFD-17, "Disas-

sembly and Assembly"

.

CAUTION:

Never reuse gasket.

PDIA0781J

Oil grade and Viscosity:

Refer to 

MA-9, "Fluids and Lubricants"

.

Oil capacity:

Approx. 0.65  (1-3/8 US pt, 1-1/8 Imp pt)

PDIA0782J

PDIA0782J

FRONT OIL SEAL

FFD-9

< SERVICE INFORMATION >

C

E

F

G

H

I

J

K

L

M

A

B

FFD

N

O

P

FRONT OIL SEAL

Removal and Installation

INFOID:0000000001327483

REMOVAL

1.

Drain gear oil. Refer to 

FFD-8, "Changing Differential Gear Oil"

.

2.

Remove front propeller shaft. Refer to 

PR-4, "Removal and Installation"

.

3.

Remove front drive shaft both. Refer to 

FAX-16, "Removal and Installation (Right Side)"

, 

FAX-15,

"Removal and Installation (Left Side)"

.

4.

Remove side shaft assembly.

5.

Remove drive pinion lock nut using a flange wrench.

6.

Put matching mark (B) on the end of the drive pinion. The
matching mark (B) should be in line with the matching mark (A)
on companion flange (1).

CAUTION:

For matching mark, use paint. Never damage companion
flange and drive pinion.
NOTE:
The matching mark (A) on the final drive companion flange (1)
indicates the maximum vertical runout position.

7.

Remove companion flange using a puller.

8.

Remove front oil seal using the puller.

CAUTION:

Be careful not to damage gear carrier.

PDIA0784J

PDIA0783J

PDIA0652E

Tool number

A: KV381054S0 (J-34286)

PDIA0785J