cooling NISSAN GT-R 2018 User Guide

ensure the resistance strength and
creeping characteristics against high ex-
haust gas temperature. In addition,
further cooling effects are secured by
taking in air through the duct on the
undercover, to cool the area around the
muffler, and by applying partial plate
thickness reduction. Since genuine tita-
nium mufflers are made of titanium alloy,
the surface color will change depending
on the driving conditions, which is not
unusual. Prior to shipping from factory, all
vehicles receive balance aligning for en-
gine, transmission, and clutch, as well as
quench driving of brake pads and rotors.
As a result, the muffler surface color may
differ depending on the vehicle.
Never remove the trunk carpet from the
vehicle for any reason. The carpet insu-
lates the vehicle interior from the heat of
the muffler and from the noise of the
transmission.
Never Allow Oil or Grease to Adhere to
the Titanium Muffler.
If the muffler is heated when oil or grease
adhere to the muffler surface, the color of
this area will be different from that of the
surrounding area. To remove the oil or
grease, check that the surface tempera-
ture of the muffler has cooled, wash the
area with a neutral detergent, wipe it witha brake cleaner-sprayed clean shop cloth
and gently tap it with a dry shop cloth to
dry. Be careful not to allow the brake
cleaner to splatter on rubber parts, bum-
per, etc.

Coolant level and mixture ratioThe information and specifications in
this section apply only when engaging
in performance driving.
Check the coolant level in the pressurized
coolant reservoir. Adjust the level so that
the fluid is between the MAX and MIN
markings. For the coolant, use genuine
NISSAN Long Life coolant. (On delivery of
new vehicle, the reservoir is filled to the
MIN level. Be sure to replenish approxi-
mately 3/8 US quart (0.3 to 0.4 liter) of
coolant.)
NOTICE
Do not overfill the coolant. This may
increase the pressure in the cooling
system and cause coolant leaks.
To maximize vehicle performance, the
coolant mixture ratio should be a combi-
nation of 30% coolant antifreeze and 70%
demineralized or distilled water for max-
imum cooling system performance re-
gardless of ambient temperatures.
If ambient temperatures are anticipated
below 5°F (−15°C), make sure a proper
mixture ratio of 50% antifreeze and 50%
demineralized or distilled water mix is used.
Engine and powertrainThe information and specifications in
this section apply only when engaging
in performance driving.
.
Check the engine, transmission, differ-
ential and under the vehicle for oil and
coolant leaks.
. Inspect the areas surrounding of the
catalytic converter for heat deteriora-
tion.
. Always perform the transmission
setting. After that, adjust the clutch
clearance so that the clearance is less
than the clearance used for daily
driving. Your GT-R certified NISSAN
dealer has the necessary information
and equipment to set the clutch
clearance to the correct specification.
The clearance used for daily driving
increases clutch heat generated dur-
ing Performance Driving. This leads to
an increase in temperature of the
transmission oil. In addition, a more
direct shifting feel can be obtained by
reducing the clutch clearance for
Performance Driving. The clutch clear-
ance should be reset to the daily
driving specification after Perfor-
mance Driving. It is recommended you see a GT-R certified NISSAN dealer
for information.
NOTICE
Failure to have the clutch properly
adjusted before performance driving
may cause the transmission oil tem-
perature to increase which may
cause transmission damage.
. Inspect and confirm the clearance
between the exhaust finisher and rear
bumper is more than 0.24 in (6 mm)
(up/down) and more than 0.20 in (5
mm) (left/right).
. Inspect the dust boot of the drive
shaft universal joint for cracks or
damage.Suspension and wheel alignmentThe information and specifications in
this section apply only when engaging
in performance driving.
.Check the steering and suspension
system and other links for loose and/
or damaged parts.
. Measure and adjust the wheel align-
ment. (

and remove rings, metal bands,
or any other jewelry. Do not lean
over the battery when jump start-
ing.
. Do not attempt to jump start a
frozen battery. It could explode
and cause serious injury.
. Your vehicle has an automatic
engine cooling fan. It could come
on at any time. Keep hands and
other objects away from it.

whenever you work on your ve-
hicle.
. If you must run the engine in an
enclosed space such as a garage,
be sure there is proper ventilation
for exhaust gases to escape.
. Never get under the vehicle while
it is supported only by a jack. If it
is necessary to work under the
vehicle, support it with safety
stands.
. Keep smoking materials, flame
and sparks away from fuel tank
and the battery.
. Your vehicle is equipped with an
automatic engine cooling fan. It
may come on at any time without
warning, even if the ignition key is
in the OFF position and the en-
gine is not running. To avoid
injury, always disconnect the ne-
gative battery cable before work-
ing near the fan.
. The fuel filter or fuel lines should
be serviced by a GT-R certified
NISSAN dealer because the fuel
lines are under high pressure
even when the engine is off.

This vehicle contains Genuine NISSAN
Long Life Antifreeze/Coolant (blue). The
life expectancy of the factory-fill coolant
is 24,000 miles (38,400 km) or 2 years.
Mixing any other type of coolant or the
use of non-distilled water will reduce the
life expectancy of the factory-fill coolant.
Refer to the GT-R Service and Mainte-
nance Guide for more details.
If the cooling system frequently re-
quires coolant, it is recommended you
have it checked by a GT-R certified
NISSAN dealer.
Check that the level of coolant is between
MAX and MIN on the pressurized radiator
reservoir. If the level is below the mid-
point, the amount of coolant circulating
may be insufficient for maximum vehicle
performance, possibly causing engine
overheating or other trouble.
For the coolant level and mixture ratio
when engaging in performance driving,
see