Nissan GT-R. Manual - part 79

DLN-20

< PRECAUTION >

[FRONT FINAL DRIVE: F160A]

PRECAUTIONS

• Always use CONSULT to perform self-diagnosis as a part of each function inspection after finishing

work. If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.

For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.

OPERATION PROCEDURE

1.

Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.

2.

Turn the ignition switch to ACC position.
(At this time, the steering lock will be released.)

3.

Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.

4.

Perform the necessary repair operation.

5.

When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the ignition switch from ACC position to ON position, then to LOCK position. (The steering wheel will lock
when the ignition switch is turned to LOCK position.)

6.

Perform self-diagnosis check of all control units using CONSULT.

General Precautions

INFOID:0000000009162084

CAUTION:

After finishing servicing, check that all the tools and waste are stored in a customary place.

FRONT DIFFERENTIAL GEAR OIL

DLN-21

< PERIODIC MAINTENANCE >

[FRONT FINAL DRIVE: F160A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

PERIODIC MAINTENANCE

FRONT DIFFERENTIAL GEAR OIL

Inspection

INFOID:0000000009162089

OIL LEAKAGE

Visually check final drive assembly surrounding area for smears and leakage of defferential gear oil. 

*1: When the oil does not drop

*2: When the oil drops

OIL LEVEL

• Remove filler plug (1) and gasket. Then check that oil is filled up

(A) from mounting hole for the filler plug. 

CAUTION:

Never start engine while checking oil level. 

• Set a gasket on filler plug (1) and install it on final drive, and then

tighten to the specified torque. 

CAUTION:

Never reuse gasket.

Status

Parts

Required operation

Smears

*1

Each part on the final drive assembly

Use part cleaner or the equivalent to wipe out smeared oil. Then, 
check for oil leakage.

Leakage

*2

Oil seal

Check the oil seal mounting surface and sliding surface for abnor-
malities. If it is normal, replace only oil seal. Then, check for oil 
leakage.

Filler plug

Replace the filler plug gasket. Then, check for oil leakage.

Drain plug

Replace the drain plug gasket. Then, check for oil leakage.

Mating surface between Gear carrier and 
rear cover.

Check the seal surface for abnormalities. If it is normal, replace 
only rear cover gasket. Then, check for oil leakage.

Standard

Filler plug tightening 
torque

: 35 N·m (3.6 kg-m, 26 ft-lb)

NNDID0017ZZ

DLN-22

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[FRONT FINAL DRIVE: F160A]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specifications

INFOID:0000000009162112

Applied model

AWD

VR38DETT

GR6Z30A

Final drive model

F160A

Gear ratio

2.937

Number of teeth (Drive gear/Drive pinion)

47/16

Oil capacity (Approx.)

 (US pt, lmp pt)

0.65 (1-3/8, 1-1/8)

Number of pinion gears

2

Drive pinion adjustment spacer type

Solid

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

DLN-23

< SYMPTOM DIAGNOSIS >

[REAR FINAL DRIVE]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000009162118

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

×

: Applicable

NOTE:
Although operating sound may be heard from LSD while driving, this is not always a malfunction.

Reference

Thi

s

 work is reco

mmended t

o

 be perf

ormed by 

G

T

-R cert

ified 

NISSAN dealer

.

Thi

s

 work is reco

mmended t

o

 be perf

ormed by 

G

T

-R cert

ified 

NISSAN dealer

.

Thi

s

 work is reco

mmended t

o

 be perf

ormed by 

G

T

-R cert

ified 

NISSAN dealer

.

Thi

s

 work is reco

mmended t

o

 be perf

ormed by 

G

T

-R cert

ified 

NISSAN dealer

.

—

DLN-25, "

Inspe

c

ti

on

"

NVH in DLN 

section.

NVH in F

A

X, RAX, FS

U and RSU 

se

ctio

ns

.

NVH in WT 

section.

NVH in WT 

section.

NVH in

 F

A

X an

d 

RAX s

e

c

tio

n.

NVH in BR section.

NVH in ST 

section.

Possible cause and SUSPECTED PARTS

G

e

a

r t

o

ot

h 

ro

ug

h

Ge

ar co

nt

a

c

t 

im

pro

pe

r

T

o

o

th su

rf

ac

es wo

rn

Ba

ck

la

sh

 i

n

co

rrec

t

Co

mp

an

io

n

 f

lan

ge

 ex

ce

ssi

ve

 run

o

u

t

Ge

ar oil

 im

pro

pe

r

PROPELLER SHAF

T

AXLE

 AND SUSPE

N

S

ION

TIRE

ROA

D

 WHEEL

DR

IVE SHAF

T

BRAKE

STEERING

Symptom

Noise

×

×

×

×

×

×

×

×

×

×

×

×

×