Nissan GT-R. Manual - part 308

 

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Nissan GT-R. Manual - part 308

 

 

TRANSMISSION OIL

TM-11

< PERIODIC MAINTENANCE >

[TRANSMISSION: GR6Z30A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

• *1: When the oil drops

• *2: If oil leakage is detected, perform necessary procedures, check for oil leakage, and adjust oil level to the proper level.

• *3: When the oil does not drop

• *4: The grease applied to parking cable part can melt to generate a drop due to heat. Be careful not to confuse it with transmission oil

leakage.

CONDITION CHECK

Remove the filler plug, insert a finger into the filler hole, and judge the oil conditions from the transmission oil
applied to the inside of the transmission case.

CAUTION:

 Be careful not to cut the finger with edges.

Status

Parts

Required operation

Reference

Oil leak-

age

*1, *2

Trans-
mission 
assem-
bly (on-
board/
single 
unit)

A: Mating surface between oil pan and 
case

Check the seal surface condition. Replace the oil 
pan gasket only if there is a non-standard condi-
tion. Check for oil leakage.

This work is 

recom-

mened to be 

performed 

by GT-R cer-

tified NIS-

SAN dealer.

B: Park position switch

Check the mounting surface condition. Replace 
the plain washer only if there is not any other mal-
functioning condition. Check for oil leakage.

• C: Heat exchanger & bracket mounting 

surface and heat exchanger mounting 
bolt

• D: Water hose connection (Engine cool-

ant)

• C: Check the seal surface condition. If it is nor-

mal, replace the O-ring of the part where oil 
leakage arises and the single-use parts re-
moved during procedure. Check for oil leakage.

• D: Check the seal surface condition. If it is nor-

mal, replace the clamp of the part where engine 
coolant leakage arises. Check for engine cool-
ant leakage.

E: Front oil seal

Check the oil seal mounting surface and sliding 
surface condition. Replace the front oil seal only if 
there is not any other malfunctioning condition. 
Check for oil leakage.

F: Drain plug

Replace the drain plug. Check for oil leakage.

TM-19

G: Filler plug

Replace the filler plug gasket. Check for oil leak-
age.

TM-20

• H: Transmission harness connector
• I: Oil seal of parking lever
• J: Oil seal of companion flange (trans-

mission side) of main propeller shaft as-
sembly

• K: Transmission case joining portion
• L: AWD solenoid

Replace the transmission assembly.

This work is 

recom-

mened to be 

performed 

by GT-R cer-

tified NIS-

SAN dealer.

M: 3rd-5th check pin

Replace the plain washer. Check for oil leakage.

Trans-
mission 
assem-
bly (sin-
gle unit)

N: Filler plug

Replace the filler plug gasket. Check for oil leak-
age.

O: Transmission case joining portion

Replace the transmission assembly.

• P: Idler bolt
• Q:  Plug

Replace the plain washer or O-ring. Check for oil 
leakage.

R: Breather

Clean and wipe spouted oil with a part cleaner. Fill 
with oil to the specified oil level, if necessary.

Oil 

smears

*3

Each part of the transmission assembly, including the 
parts requiring oil leakage check.

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

Grease 

drop

*4

S: Parking cable

Wipe excess grease off.

TM-12

< PERIODIC MAINTENANCE >

[TRANSMISSION: GR6Z30A]

TRANSMISSION OIL

OIL CHANGE TIMING

Judging When to Change Transmission Oil by Oil Temperature

How to Check Transmission Oil Temperature History With CONSULT

1.

Turn ignition switch ON.

2.

Select “SHOW OIL TEMP HISTORY” in “Work support” in “TRANSMISSION”.

3.

Check transmission oil temperature frequency history to judge the timing of oil change.

Draining

INFOID:0000000009162742

1.

Remove the front diffuser. Refer to 

EXT-39, "FRONT DIFFUSER : Exploded View"

.

2.

Remove the heat insulator.

3.

Remove the filler plug (

).

Transmission oil status

Possible cause

Required operation

Varnish-like condition (It is as thick 
as varnish).

Clutch is burned.

Change the transmission oil. Check the trans-
mission assembly or any other parts on the ve-
hicle.

Milky or cloudy

Water is mixed in the fluid.
Example: 
• Inflow of engine coolant by internal explo-

sion of heat exchanger

• Inflow of water from breather by flood, etc.

Change the transmission oil. Check for flooded 
area.

A large amount of metal particles are 
contained in the fluid.

Sliding portions in the transmission assembly 
are excessively worn.

Change the transmission oil. Check the trans-
mission assembly operation for any malfunc-
tioning condition.

Transmission oil temperature while driving

Interval of transmission oil change

Not exceeding 120

°

C (248

°

F)

Change both transmission oil and differential oil every 60,000 km (36,000 miles)

From 120

°

C (248

°

F) – 140

°

C (284

°

F)

Change both transmission oil and differential oil every 5,000 km (3,000 miles)

Higher than 140

°

C (284

°

F)

Change both transmission oil and differential oil immediately.

Transmission oil temperature frequency history

Timing of oil chang

At least one count in “Oil Temperature Frequency 5”

Change both transmission oil and differential oil immediately.

At least one count in “Oil Temperature Frequency 4”

Change both transmission oil and differential oil ever 5,000 km 
(3,000 miles).

No count in both “Oil Temperature Frequency 4” and “Oil Temper-
ature Frequency 5”

Change both transmission oil and differential oil ever 60,000 km 
(36,000 miles).

NNDIA0018ZZ

TRANSMISSION OIL

TM-13

< PERIODIC MAINTENANCE >

[TRANSMISSION: GR6Z30A]

C

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TM

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4.

Remove the drain plug (1) and drain tube (2) from the oil pan,
and then drain the transmission oil.

5.

Install the drain tube to the oil pan. Refer to 

TM-19, "Exploded

View"

.

Filling

INFOID:0000000009162743

REPLACEMENT/ADJUSTMENT PROCEDURE

NOTE:
Replace the filler plug gasket and drain plug with new ones after oil level adjustment.

1.

Remove the filler plug (

) and drain plug, and then fill with the

transmission oil until it leaks from the drain hole.

CAUTION:

• Always use the specified transmission oil. In addition,

always use the filler after cleaning. If use/mixed use/mis-
use of the transmission oil other than the specified brand
occurs, the original performance cannot be obtained or it
may cause serious malfunctions.

• Check that dust does not mix.
• Always use paper towels. Never use waste cloth.

2.

Install the filler plug and drain plug. Refer to 

TM-20, "Exploded View"

 (filler plug), 

TM-19, "Exploded View"

(drain plug).

3.

Start engine with shift position in P range and keep it until transmission system check is complete.

CAUTION:

• If the oil does not fully circulate in transmission oil line after engine start, it could cause an oil

flowing sound (such as hissing sound). Keep it at idle for several minutes in that case.

• Because of incomplete oil circuit in transmission oil line, a transmission warning light could illu-

minate at transmission system check. In this case, keep it at idle for several minutes, and then
restart the engine. 

4.

With depressing the brake pedal, shift the selectro lever to A range (wait for 5 seconds) 

 N range (wait

for 5 seconds) 

 R range (wait for 5 seconds) 

 P range.

5.

Stop the engine.

6.

Remove the filler plug and drain plug, and then fill with the transmission oil until it leaks from the drain
hole.

7.

Install the filler plug and drain plug. Refer to 

TM-20, "Exploded View"

 (filler plug), 

TM-19, "Exploded View"

(drain plug).

8.

Install the heat insulator.

9.

Start the engine and run it at idle. Run the engine until the oil temperature reaches 50

°

C (122

°

F) while

checking FLUID TEMP in “DATA MONITOR” of CONSULT.

10. With depressing the brake pedal, shift the selectro lever to A range (wait for 5 seconds) 

 N range (wait

for 5 seconds) 

 R range (wait for 5 seconds) 

 P range.

11. Stop the engine and wait for 5 minutes.
12. Remove the drain plug. Install the drain plug when the transmission oil begins to drip (1 drop/1 second).

Refer to 

TM-19, "Exploded View"

.

CAUTION:

• Perform from step 11 to step 12 within 25 minutes.
• Repeat the procedure from step 6 if the transmission oil does not leak from the drain hole.

NNDIA0033ZZ

Transmission oil

: Refer to 

TM-21, "General Spec-

ification"

.

NNDIA0018ZZ

TM-14

< PERIODIC MAINTENANCE >

[TRANSMISSION: GR6Z30A]

TRANSMISSION OIL

• Never reuse drain plug.

13. Replace the filler plug gasket with new ones.

CAUTION:

Never reuse filler plug gasket.

14. Install the front diffuser. Refer to 

EXT-39, "FRONT DIFFUSER : Exploded View"

.

15. Select “OIL TEMP HISTORY RESET” in “WORK SUPPORT” of CONSULT.

16. Touch “START” to reset oil temperature history.

REFILL ADJUSTMENT PROCEDURE

NOTE:
Replace the filler plug gasket and drain plug with new ones after oil level adjustment.

1.

Remove the front diffuser. Refer to 

EXT-39, "FRONT DIFFUSER : Exploded View"

.

2.

Remove the heat insulator.

3.

Start engine with shift position in P range and keep it until transmission system check is complete.

4.

With depressing the brake pedal, shift the selectro lever to A range (wait for 5 seconds) 

 N range (wait

for 5 seconds) 

 R range (wait for 5 seconds) 

 P range.

5.

Stop the engine.

6.

Remove the filler plug (

) and drain plug, and then fill with the

transmission oil until it leaks from the drain hole.

CAUTION:

• Always use the specified transmission oil. In addition,

always use the filler after cleaning. If use/mixed use/mis-
use of non-specified transmission oil other than the spec-
ified brand occurs, the original performance cannot be
obtained or it may cause serious malfunctions.

• Check that dust does not mix.
• Always use paper towels. Never use waste cloth.

7.

Install the filler plug and drain plug. Refer to 

TM-20, "Exploded View"

 (filler plug), 

TM-19, "Exploded View"

(drain plug).

8.

Install the heat insulator.

9.

Start the engine and run it at idle. Run the engine until the oil temperature reaches 50

°

C (122

°

F) while

checking FLUID TEMP in “DATA MONITOR” of CONSULT.

10. With depressing the brake pedal, shift the selectro lever to A range (wait for 5 seconds) 

 N range (wait

for 5 seconds) 

 R range (wait for 5 seconds) 

 P range.

11. Stop the engine and wait for 5 minutes.
12. Remove the drain plug. Install the drain plug when the transmission oil begins to drip the drop status (1

drop/1 second). Refer to 

TM-19, "Exploded View"

.

CAUTION:

• Perform from step 11 to step 12 within 25 minutes.
• Repeat the procedure from step 6 if the transmission oil does not leak from the drain hole.
• Never reuse drain plug.

13. Replace the filler plug gasket with new ones.

CAUTION:

Never reuse filler plug gasket.

14. Install the front diffuser. Refer to 

EXT-39, "FRONT DIFFUSER : Exploded View"

.

Transmission oil

: Refer to 

TM-21, "General Spec-

ification"

.

NNDIA0018ZZ

 

 

 

 

 

 

 

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