Nissan GT-R. Instruction — part 203
MA-34
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CHASSIS MAINTENANCE
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.
TRANSMISSION OIL : Draining
INFOID:0000000009190112
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).
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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
.
TRANSMISSION OIL : Filling
INFOID:0000000009190113
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
(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
(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).
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.
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Transmission oil
: Refer to
.
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• 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
(filler plug),
(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
.
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"
.
TRANSFER FLUID
TRANSFER FLUID : Transfer Fluid
INFOID:0000000009161780
CAUTION:
Refer to
because the transfer is integrated with the transmission.
FRONT DIFFERENTIAL GEAR OIL: F160A
Transmission oil
: Refer to
.
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FRONT DIFFERENTIAL GEAR OIL: F160A : Inspection
INFOID:0000000009190109
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.
REAR DIFFERENTIAL GEAR OIL
REAR DIFFERENTIAL GEAR OIL : Inspection
INFOID:0000000009190110
OIL LEAKAGE
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)
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