Infiniti S51-D CHECKING ENGINE COOLANT LEVEL, ENGINE COOLING SYSTEM

Black plate (415,1)
Model "S51-D" EDITED: 2008/ 3/ 26
The engine cooling system is filled at the
factory with a high-quality, year-round,
anti-freeze coolant solution. The antifreeze
solution contains rust and corrosion in-
hibitors, therefore additional cooling sys-
tem additives are not necessary.
WARNING
.Never remove the radiator cap when the
engine is hot.Wait until the engine and
radiatorcool down. Serious burns could
be caused by high pressurefluid escap-
ingfrom the radiator. See precautions in
“IF YOUR VEHICLE OVERHEATS”in the
“6.In case of emergency”section of this
manual.
.Theradiator is equipped with a pressure
type radiator cap. To prevent engine
damage, use only a genuine NISSAN
radiator cap.
CAUTION
When adding or replacing coolant, be sure
to use only a Genuine NISSAN Long Life
Antifreeze/Coolant (green ) or equivalent
with the proper mixture ratio of 50%
antifreeze and 50% demineralized or dis-
tilled water. The use of other types of
coolant solutions may damage the engine
cooling system.
Outside
temperature
downto Antifreeze
Deminera-
lizedwater or
distilled
water
8C8F
−35 −30 50% 50%
SDI2198
CHECKING ENGINE COOLANT LEVEL
Check the coolant level in the reservoir
when the engine is cold. If the coolant
level is below MIN
*
2
, open the reservoir
tankcap and add coolant up to the MAX
*
1
level. If the reservoir tank is empty, check
the coolant level in the radiator when the
engine is cold. If there is insufficient
coolant in the radiator, fill the radiator
with coolant up to the filler opening and
also add it to the reservoir tank up to the
MAX level
*
1
.
Tighten the cap securely after adding
engine coolant.
ENGINE COOLING SYSTEM
Maintenanceand do-it-yourself 8-9