engine NISSAN 370Z COUPE 2012 Owners Manual

8-10Maintenance and do-it-yourself
JVM0087X
CHECKING ENGINE COOLANT LEVEL
Check the coolant levelin the reservoir when
the engine is running and after it reaches
normal operating temperature. If the coolant
level is below the MIN level
*2, add coolant up
to the MAX level
*1. If the reservoir 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 radiator filler cap above the
radiator upper hose opening and also add it to
the reservoir up to the MAX level
*1. Put on the
filler cap above the radiator upper hose and with
the reservoir cap open, start the engine. Run the
engine until it reaches normal operating tem- perature. Add coolant 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 a NISSAN
dealer.
CHANGING ENGINE COOLANT
Major cooling system repairs should be per-
formed by a NISSAN dealer. The service
procedures can be found in the appropriate
NISSAN 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 chil-
dren and pets.
Engine coolant must be disposed of properly.
Check your local regulations.

SDI2348
CHECKING ENGINE OIL LEVEL
1. Park the vehicle on a level surface and applythe parking brake.
2. Run the engine until it reaches operating temperature.
3. Turn off the engine. Wait more than 15
minutes for the oil to drain back into
the oil pan.
4. Remove the dipstick and wipe it clean. Reinsert it all the way.
5. Remove the dipstick again and check the oil level. It should be within the range
*1. If the
oil level is below
*2, remove the oil filler cap
and pour recommended oil through the opening.
Do not overfill
*3.
6. Recheck oil level with the dipstick.
It is normal to add some oil between oil
maintenance intervals or during the break-
in period, depending on the severity of
operating conditions.
CAUTION
Oil level should be checked regularly.
Operating the engine with an insuffi-
cient amount of oil can damage the
engine, and such damage is not cov-
ered by warranty.
CHANGING ENGINE OIL AND FILTER
Vehicle set-up
1. Park the vehicle on a level surface and apply the parking brake.
2. Run the engine until it reaches operating temperature.
3. Turn the engine off and wait more than 15 minutes.
4. Raise and support the vehicle using a suitable floor jack and safety jack stands.
.Place the safety jack stands under the
vehicle jack-up points.
.A suitable adapter should be attached tothe jack stand saddle.
5. Remove the plastic engine undercover. a. Remove the small plastic clips at thecenter of the undercover.
b. Then remove the bolts that hold the undercover in place.
CAUTION
Make sure the correct lifting and sup-
port points are used to avoid vehicle
damage.
Maintenance and do-it-yourself8-11
ENGINE OIL

8-12Maintenance and do-it-yourself
SDI2335
Engine oil and filter
1. Place a large drain pan under the drain plug.
2. Remove the oil filler cap.
3. Remove the drain plug
*1with a wrench
and completely drain the oil.
CAUTION
Be careful not to burn yourself, as the
engine oil is hot.
.Waste oil must be disposed of
properly.
.Check your local regulations.
(Perform steps 4 to 7 only when the engine
oil filter change is needed.)
4. Loosen the oil filter
*2with an oil filter
wrench. Remove the oil filter by turning it by
hand.
5. Wipe the engine oil filter mounting surface with a clean rag.
CAUTION
Be sure to remove any old rubber
gasket remaining on the mounting sur-
face of the engine. Failure to do so
could lead to engine damage.
6. Coat the gasket on the new filter with clean engine oil.
7. Screw in the oil filter clockwise until a slight resistance is felt, then tighten additionally
more than 2/3 turn.
Oil filter tightening torque:11 to 15 ft-lb
(14.7 to 20.5 N·m)
8. Clean and re-install the drain plug with a new washer. Securely tighten the drain plug
with a wrench. Drain plug tightening torque:
22 to 29 ft-lb
(29 to 39 N·m)
Do not use excessive force.
9. Refill engine with recommended oil through the oil filler opening, and install the oil filler
cap securely.
See “Capacities and recommended fuel/
lubricants” (P.9-2) for drain and refill capa-
city. The drain and refill capacity depends on
the oil temperature and drain time. Use
these specifications for reference only. Al-
ways use the dipstick to determine the
proper amount of oil in the engine.
10. Start the engine and check for leakage around the drain plug and the oil filter.
Correct as required.
11. Turn the engine off and wait more than 15 minutes. Check the oil level with the dipstick.
Add engine oil if necessary.
After the operation
1. Install the engine undercover into position asthe following steps.
a. Pull the center of the small plastic clipout.
b. Hold the engine undercover into position.

c. Insert the clip through the undercoverinto the hole in the frame, then push the
center of the clip in to lock the clip in
place.
d. Install the bolts that hold the undercover in place. Be careful not to strip the bolts
or over-tighten them.
2. Lower the vehicle carefully to the ground.
3. Dispose of waste oil and filter properly.
WARNING
. Prolonged and repeated contact
with used engine oil may cause skin
cancer.
. Try to avoid direct skin contact with
used oil. If skin contact is made,
wash thoroughly with soap or hand
cleaner as soon as possible.
. Keep used engine oil out of reach of
children. When checking or replacement is required, we
recommend a NISSAN dealer for servicing.
CAUTION
.
Use only Genuine NISSAN Matic S
ATF. Do not mix with other fluids.
. Using automatic transmission fluid
other than Genuine NISSAN Matic S
ATF will cause deterioration in dri-
veability and automatic transmis-
sion durability, and may damage
the automatic transmission, which
is not covered by the NISSAN new
vehicle limited warranty.
SDI1765A
Check the fluid level in the reservoir.
The fluid level should be checked with the
engine off using the HOT range (
*1:HOT
MAX.,
*2: HOT MIN.) at fluid temperatures of
122 to 1768F (50 to 808C) or using the COLD
range (
*3: COLD MAX.,*4: COLD MIN.) at
fluid temperatures of 32 to 868F(0to30 8C) .
If the fluid is below the MIN line, add Genuine
NISSAN PSF or equivalent. Remove the cap
and fill through the opening.
Maintenance and do-it-yourself8-13
AUTOMATIC TRANSMISSION FLUID POWER STEERING FLUID

SDI1906A
CLUTCH FLUID (Manual transmission
models)
Check the fluid level in the reservoir. If the fluid
level is below the MIN line
*1, add Genuine
NISSAN Super Heavy Duty Brake Fluid or
equivalent DOT 3fluid up to the MAX line
*2.
If fluid must be added frequently, the system
should be checked by a NISSAN dealer.
SDI2349
Fill the window washer fluid reservoir periodi-
cally. Add window washer fluid when the low
window washer fluid warning light comes on.
To fill the window washer fluid reservoir, lift the
cap off the reservoir tank and pour the window
washer fluid into the tank opening.
Add a washer solvent to the water for better
cleaning. In the winter season, add a windshield
washer antifreeze. Follow the manufacturer’s
instructions for the mixture ratio.
Refill the reservoir more frequently when driving
conditions require an increased amount of
window washer fluid.
Recommended fluid is Genuine NISSAN Wind- shield Washer Concentrate Cleaner & Anti-
freeze or equivalent.
CAUTION
.
Do not substitute engine anti-freeze
coolant for window washer solution.
This may result in damage to the
paint.
. Do not fill the window washer
reservoir tank with washer fluid
concentrates at full strength. Some
methyl alcohol based washer fluid
concentrates may permanently stain
the grille if spilled while filling the
window washer reservoir tank.
. Pre-mix washer fluid concentrates
with water to the manufacturer’s
recommended levels before pouring
the fluid into the window washer
reservoir tank. Do not use the
window washer reservoir tank to
mix the washer fluid concentrate
and water.
Maintenance and do-it-yourself8-15
WINDOW WASHER FLUID

DI0137MF
Check the fluid level in each cell (Remove the
battery cover if it is necessary) . It should be
between the UPPER LEVEL
*1and LOWER
LEVEL
*2lines.
If it is necessary to add fluid, add only distilled
water to bring the level to the indicator in each
filler opening. Do not overfill.
1. Remove the cell plugs
*3.
SDI1480E
2. Add distilled water up to the UPPER LEVEL
*1line.
If the side of the battery is not clear, check
the distilled water level by looking directly
above the cell; the condition
*Aindicates
OK and the conditions
*Bneeds more to
be added.
3. Tighten cell plugs
*3.
Vehicles operated in high temperatures or under
severe conditions require frequent checks of the
battery fluid level.
JUMP STARTING
If jump starting is necessary, see “Jump starting”
(P.6-14) . If the engine does not start by jump
starting, the battery may have to be replaced.
Contact a NISSAN dealer.
Maintenance and do-it-yourself8-17

8-18Maintenance and do-it-yourself
CAUTION
.Do not ground accessories directly
to the battery terminal. Doing so will
bypass the variable voltage control
system and the vehicle battery may
not charge completely.
. Use electrical accessories with the
engine running to avoid discharging
the vehicle battery.
The variable voltage control system measures
the amount of electrical discharge from the
battery and controls voltage generated by the
generator.
SDI2119
VQ37VHR engine
1. Power steering fluid pump
2. Alternator
3. Crankshaft pulley
4. Air conditioner compressor
5. Drive belt auto-tensioner
WARNING
Be sure the ignition switch is in the OFF
or LOCK position before servicing drive
belts. The engine could rotate unex-
pectedly. 1. Visually inspect the belt for signs of unusual
wear, cuts, fraying or looseness. If the belt is
in poor condition or loose, have it replaced
or adjusted by a NISSAN dealer.
2. Have the belt condition checked regularly.
VARIABLE VOLTAGE CONTROL
SYSTEM DRIVE BELTS

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
If replacement is required, see a NISSAN dealer
for servicing.
Iridium-tipped spark plugs
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 maintenance schedule in “NISSAN
Service and Maintenance Guide”, but do not
reuse them by cleaning or regapping.
Always replace spark plugs with recom-
mended or equivalent ones.
SDI2350
Remove the retainers*1as illustrated and pull
out the filter element
*2.
The filter element should not be cleaned and
reused. Replace it according to the maintenance
intervals. See “NISSAN Service and Mainte-
nance Guide” for maintenance intervals. When
replacing the filter, wipe the inside of the air
Maintenance and do-it-yourself8-19
SPARK PLUGS AIR CLEANER

8-20Maintenance and do-it-yourself
cleaner housing and the cover with a damp
cloth.
WARNING
.Operating the engine with the air
cleaner removed can cause you or
others to be burned. The air cleaner
not only cleans the air, it stops
flame if the engine backfires. If it
is not there, and the engine back-
fires, you could be burned. Do not
drive with the air cleaner removed,
and be careful when working on the
engine with the air cleaner removed.
. Never pour fuel into the throttle
body or attempt to start the engine
with the air cleaner removed. Doing
so could result in serious injury.
CLEANING
If your windshield is not clear after using the
windshield washer or if a wiper blade chatters
when running, wax or other material may be on
the blade or windshield.
Clean the outside of the windshield with a
washer solution or a mild detergent. Your
windshield is clean if beads do not form when
rinsing with clear water.
Clean each blade by wiping it with a cloth
soaked in a washer solution or a mild detergent.
Then rinse the blade with clear water. If your
windshield is still not clear after cleaning the
blades and using the wiper, replace the blades.
CAUTION
Worn windshield wiper blades can
damage the windshield and impair
driver vision.
WINDSHIELD WIPER BLADES

8-22Maintenance and do-it-yourself
If the brakes do not operate properly, have the
brakes checked by a NISSAN dealer.
SELF-ADJUSTING BRAKES
Your vehicle is equipped with self-adjusting
brakes.
The disc-type brakes self-adjust every time the
brake pedal is applied.
WARNING
See a NISSAN dealer for a brake
system check if the brake pedal height
does not return to normal.
BRAKE PAD WEAR WARNING
The disc brake pads have audible wear warn-
ings. 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 duringlight 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 “NISSAN
Service and Maintenance Guide”.
SDI1479A
ENGINE COMPARTMENT
CAUTION
Never use a fuse of a higher or lower
amperage rating than that specified on
the fuse box cover. This could damage
the electrical system or cause a fire.
If any electrical equipment does not operate,
check for an open fuse.
1. Be sure the ignition switch is pushed to the OFF or LOCK position and the headlight
switch is turned to OFF.
BRAKES FUSES