2012 INFINITI G37 service

Black plate (409,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]GUID-7909F151-D270-426B-9317-ECCCF136345A
Your new INFINITI has been designed to
have minimum maintenance requirements
with long service intervals to save you both
time and money. However, some day-to-
day and regular maintenance is essential
to maintain your INFINITI ’ s fine mechanical
condition, as well as its emission and
engine performance.
It is the owner ’ s responsibility to make
sure that the scheduled maintenance, as
well as general maintenance, is performed.
As the vehicle owner, you are the only one
who can ensure that your vehicle receives
the proper maintenance care. You are a
vital link in the maintenance chain.
SCHEDULED MAINTENANCE GUID-F67C0E74-FE81-4021-BFE9-6DCAA8B62868
For your convenience, both required and
optional scheduled maintenance items are
described and listed in your “ INFINITI
Service and Maintenance Guide ” . You must
refer to that guide to ensure that necessary
maintenance is performed on your INFINITI
at regular intervals. GENERAL MAINTENANCE GUID-F5FB4C7E-7009-4482-8936-6B69512CBAEF
General maintenance includes those items
which should be checked during normal
day-to-day operation. They are essential for
proper vehicle operation. It is your respon-
sibility to perform these procedures reg-
ularly as prescribed.
Performing general maintenance checks
requires minimal mechanical skill and only
a few general automotive tools.
These checks or inspections can be done
by yourself, a qualified technician or, if you
prefer, an INFINITI retailer.
WHERE TO GO FOR SERVICE GUID-36AD273A-936D-4E75-BA34-F3522084B4D1
If maintenance service is required or your
vehicle appears to malfunction, have the
systems checked and serviced by an
INFINITI retailer.
INFINITI technicians are well-trained spe-
cialists and are kept up to date with the
latest service information through techni-
cal bulletins, service tips, and in-retailer-
ship information systems. They are
completely qualified to work on INFINITI
vehicles before work begins.
You can be confident that an INFINITI
retailer ’ s service department performs the best job to meet the maintenance require-
ments on your vehicle — in a reliable and
economical way.
Maintenance and do-it-yourself
8-3MAINTENANCE REQUIREMENT

Black plate (413,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]. The fuel filter or fuel lines should be
serviced by an INFINITI retailer because
the fuel lines are under high pressure
even when the engine is off.
CAUTION. Do not work under the hood while the
engine is hot. Turn the engine off and
wait until it cools down.
. Avoid direct contact with used engine oil
and coolant. Improperly disposed engine
oil, coolant, and/or other vehicle fluids
can damage the environment. Always
conform to local regulations for disposal
of vehicle fluid.
This “ 8. Maintenance and do-it-yourself ”
section gives instructions regarding only
those items which are relatively easy for an
owner to perform.
A genuine INFINITI Service Manual is also
available. (See “ Owner ’ s Manual/Service
Manual order information ” (P.9-28).)
You should be aware that incomplete or
improper servicing may result in operating
difficulties or excessive emissions, and could affect your warranty coverage. If in
doubt about any servicing, we recommend
that it be done by an INFINITI retailer.
Maintenance and do-it-yourself
8-7

Black plate (415,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]GUID-5C044D87-071E-4DD5-85C9-155F3106646B
The engine cooling system is filled at the
factory with a pre-diluted mixture of 50%
Genuine NISSAN Long Life Antifreeze/Cool-
ant (blue) and 50% water to provide year-
round anti-freeze and coolant protection.
The antifreeze solution contains rust and
corrosion inhibitors. Additional engine
cooling system additives are not neces-
sary.
WARNING. Never remove the radiator or coolant
reservoir cap when the engine is hot.
Wait until the engine and radiator cool
down. Serious burns could be caused by
high pressure fluid escaping from the
radiator. See precautions in “ If your
vehicle overheats ” (P.6-10) of this man-
ual.
. The radiator is equipped with a pressure
type radiator cap. To prevent engine
damage, use only a genuine NISSAN
radiator cap. CAUTION . Never use any cooling system additives
such as radiator sealer. Additives may
clog the cooling system and cause
damage to the engine, transmission
and/or cooling system.
. When adding or replacing coolant, be
sure to use only Genuine NISSAN Long
Life Antifreeze/Coolant (blue) or equiva-
lent. Genuine NISSAN Long Life Anti-
freeze/Coolant (blue) is pre-diluted to
provide antifreeze protection to − 34 8 F
( − 37 8 C). If additional freeze protection is
needed due to weather where you
operate your vehicle, add Genuine
NISSAN Long Life Antifreeze/Coolant
(blue) concentrate following the direc-
tions on the container. If an equivalent
coolant other than Genuine NISSAN Long
Life Antifreeze/Coolant (blue) is used,
follow the coolant manufacturer ’ s in-
structions to maintain minimum anti-
freeze protection to − 34 8 F ( − 37 8 C). The
use of other types of coolant solutions
other than Genuine NISSAN Long Life
Antifreeze/Coolant (blue) or equivalent
may damage the engine cooling system. . The life expectancy of the factory-fill
coolant is 105,000 miles (168,000 km)
or 7 years. Mixing any other type of
coolant other than Genuine NISSAN Long
Life Antifreeze/Coolant (blue), including
Genuine NISSAN Long Life Antifreeze/
Coolant (green), or the use of non-
distilled water will reduce the life
expectancy of the factory-fill coolant.
Refer to the INFINITI Service and Main-
tenance Guide for more details.
Maintenance and do-it-yourself
8-9ENGINE COOLING SYSTEM

Black plate (416,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]8-10 Maintenance and do-it-yourself SDI2043
CHECKING ENGINE COOLANT LEVEL GUID-0A58561D-6ED8-4332-9DEB-68F0F2BD40A6
Check the coolant level in the reservoir
when the engine is cold. If the coolant
level is below MIN
* 2
, open the reservoir
tank cap 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. If the cooling system requires coolant
frequently, have it checked by an INFINITI
retailer.
CHANGING ENGINE COOLANT GUID-5414AC03-7904-49CD-BD61-168CF59A9756
Major cooling system repairs should be
performed by an INFINITI retailer. The
service procedures can be found in the
appropriate INFINITI Service Manual.
Improper servicing can result in reduced
heater performance and engine overheat-
ing.
WARNING . To avoid the danger of being scalded,
never change the coolant when the
engine is hot.
. Never remove the radiator cap when the
engine is hot. Serious burns could be
caused by high pressure fluid escaping
from the radiator.
. Avoid direct skin contact with used
coolant. If skin contact is made, wash
thoroughly with soap or hand cleaner as
soon as possible.
. Keep coolant out of reach of children and
pets. Engine coolant must be disposed of
properly. Check your local regulations.

Black plate (426,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]8-20 Maintenance and do-it-yourselfess. If the belt is in poor condition or
loose, have it replaced or adjusted by
an INFINITI retailer.
2. Have the belts checked regularly for
condition and tension in accordance
with the maintenance schedule in your
“ INFINITI Service and Maintenance
Guide ” . GUID-B889B2DB-0702-4E25-998D-9EFCEB6380ED
WARNING Be sure the engine and the ignition switch
are off and that the parking brake is
engaged securely.
CAUTION Be sure to use the correct socket to remove
the spark plugs. An incorrect socket can
damage the spark plugs. SDI2020
REPLACING SPARK PLUGS GUID-89AEBA13-D3D8-4D70-90D6-4674BC5CE9C3
If replacement is required, see an INFINITI
retailer for servicing.
Iridium-tipped spark plugs GUID-4C8CEFDE-424F-4945-8A13-7DFAE22BFEE0
It is not necessary to replace the iridium-
tipped spark plugs as frequently as the
conventional type spark plugs since they
will last much longer. Follow the main-
tenance schedule in “ INFINITI Service and
Maintenance Guide ” , but do not reuse
them by cleaning or regapping.SPARK PLUGS

Black plate (429,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]SDI2362
Be careful not to clog the washer nozzle
* A
. This may cause improper windshield
washer operation. If the nozzle is clogged,
remove any objects with a needle or small
pin
* B
. Be careful not to damage the
nozzle. GUID-32FB5E6D-5B48-42A8-9F60-83E657B04471
If the brakes do not operate properly, have
the brakes checked by an INFINITI retailer.
SELF-ADJUSTING BRAKES GUID-2D98160D-8918-4BF3-999B-F13E2922E177
Your vehicle is equipped with self-adjust-
ing brakes.
The disc-type brakes self-adjust every time
the brake pedal is applied.
WARNING See an INFINITI retailer for a brake system
check if the brake pedal height does not
return to normal.
BRAKE PAD WEAR WARNING GUID-0D7DECB1-F0F3-4C66-A768-32FE17341FFF
The disc brake pads have audible wear
warnings. When a brake pad requires
replacement, it will make a high pitched
scraping sound when the vehicle is in
motion. This scraping sound will first occur
only when the brake pedal is depressed.
After more wear of the brake pad, the
sound will always be heard even if the
brake pedal is not depressed. Have the
brakes checked as soon as possible if the
wear warning sound is heard.
Under some driving or climate conditions, occasional brake squeak, squeal or other
noise may be heard. Occasional brake
noise during light to moderate stops is
normal and does not affect the function or
performance of the brake system.
Proper brake inspection intervals should
be followed. For additional information,
see the maintenance log section of your
“ INFINITI Service and Maintenance Guide ”
for maintenance intervals.
Maintenance and do-it-yourself
8-23BRAKES

Black plate (448,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]8-42 Maintenance and do-it-yourself. The original tires have built-in
tread wear indicators. When wear
indicators are visible, the tire(s)
should be replaced.
. Tires degrade with age and use.
Have tires, including the spare,
over 6 years old checked by a
qualified technician, because
some tire damage may not be
obvious. Replace the tires as
necessary to prevent tire failure
and possible personal injury.
. Improper service of the spare tire
may result in serious personal
injury. If it is necessary to repair
the spare tire, contact an INFINITI
retailer.
. For additional information regard-
ing tires, refer to “ Important Tire
Safety Information ” (US) or “ Tire
Safety Information ” (Canada) in
the Warranty Information Booklet. Replacing wheels and tires GUID-4EF95767-87A1-46D1-823F-01023BAE60AA
When replacing a tire, use the same size,
tread design, speed rating and load carry-
ing capacity as originally equipped. (See
“ Specifications ” (P.9-8) for recommended
types and sizes of tires and wheels.)
WARNING . The use of tires other than those
recommended or the mixed use of tires
of different brands, construction (bias,
bias-belted or radial), or tread patterns
can adversely affect the ride, braking,
handling, ground clearance, body-to-tire
clearance, tire chain clearance, speed-
ometer calibration, headlight aim and
bumper height. Some of these effects
may lead to accidents and could result in
serious personal injury.
. If the wheels are changed for any
reason, always replace with wheels
which have the same off-set dimension.
Wheels of a different off-set could cause
premature tire wear, degrade vehicle
handling characteristics and/or interfer-
ence with the brake discs/drums. Such
interference can lead to decreased brak- ing efficiency and/or early brake pad/
shoe wear. See “ Wheels and tires ” (P.9-
9) of this manual for wheel off-set
dimensions.
. When a spare tire is mounted or a wheel
is replaced, the TPMS will not function
and the low tire pressure warning light
will flash for approximately 1 minute.
The light will remain on after 1 minute.
Contact your INFINITI retailer as soon as
possible for tire replacement and/or
system resetting.
. Replacing tires with those not originally
specified by INFINITI could affect the
proper operation of the TPMS.
. Do not install a damaged or deformed
wheel or tire even if it has been repaired.
Such wheels or tires could have struc-
tural damage and could fail without
warning.
. The use of retread tire is not recom-
mended.
. For additional information regarding
tires, refer to “ Important Tire Safety
Information ” (US) or “ Tire Safety Infor-
mation ” (Canada) in the Warranty Infor-
mation Booklet.

Black plate (449,1)
[ Edit: 2012/ 1/ 17 Model: V36-D ]All-Wheel Drive (AWD) models GUID-0EB56D0C-6EAC-46F4-9C56-5E4540701594
CAUTION. Always use tires of the same type, size,
brand, construction (bias, bias-belted or
radial), and tread pattern on all four
wheels. Failure to do so may result in a
circumference difference between tires
on the front and rear axles which will
cause excessive tire wear and may
damage the transmission, transfer case
and differential gears.
. ONLY use spare tires specified for the
AWD model.
If excessive tire wear is found, it is
recommended that all four tires be re-
placed with tires of the same size, brand,
construction and tread pattern. The tire
pressure and wheel alignment should also
be checked and corrected as necessary.
Contact an INFINITI retailer.
Wheel balance GUID-E8819382-6D86-409C-A6FD-5113A53508AB
Unbalanced wheels may affect vehicle
handling and tire life. Even with regular
use, wheels can get out of balance. There-
fore, they should be balanced as required. Wheel balance service should be per-
formed with the wheels off the vehicle.
Spin balancing the wheels on the vehicle
could lead to mechanical damage.
For additional information regarding tires,
refer to “ Important Tire Safety Information ”
(US) or “ Tire Safety Information ” (Canada)
in the INFINITI Warranty Information Book-
let.
Care of wheels GUID-C1AC6B0A-3969-4BA4-85FF-DEEAE1EBA8AB
See “ Cleaning exterior ” (P.7-2) for details
about care of the wheels.
Spare tire (TEMPORARY USE ONLY
(T-type) spare tire) GUID-3D33E4D2-DC59-460C-941C-8160D646B5B6
Observe the following precautions if the T-
type spare tire must be used, otherwise
your vehicle could be damaged or involved
in an accident.
WARNING . The T-type spare tire should be used for
emergency use. It should be replaced
with the standard tire at the first
opportunity to avoid possible tire or
differential damage. . Drive carefully while the TEMPORARY
USE ONLY spare tire is installed. Avoid
sharp turns and abrupt braking while
driving.
. Periodically check spare tire inflation
pressure. Always keep the pressure of
the TEMPORARY USE ONLY spare tire at
60 psi (420 kPa, 4.2 bar). Always keep
the pressure of the full size spare tire (if
so equipped) at the recommended pres-
sure for standard tires, as indicated on
the Tire and Loading Information label.
For Tire and Loading Information label
location, see “ Tire and Loading Informa-
tion label ” in the index of this manual.
. With the TEMPORARY USE ONLY spare
tire installed do not drive your vehicle at
speeds faster than 50 MPH (80 km/h).
. When driving on roads covered with
snow or ice, the TEMPORARY USE ONLY
spare tire should be used on the front
wheels and original tire used on the rear
wheels (drive wheels). Use tire chains
only on the two rear original tires.
. Tire tread of the TEMPORARY USE ONLY
spare tire will wear at a faster rate than
the standard tire. Replace the spare tire
as soon as the tread wear indicators
Maintenance and do-it-yourself
8-43