Infiniti Qx (2009 year). Manual — part 23
1.
Battery
2.
Fuse/fusible link box
3.
Transmission dipstick
4.
Engine oil filler cap
5.
Brake fluid reservoir
6.
Windshield washer fluid reservoir
7.
Air cleaner
8.
Drive belt location
9.
Radiator cap
10. Power steering fluid reservoir
11. Engine oil dipstick
12. Engine coolant reservoir
NOTE:
Engine cover removed for clarity.
WDI0630
ENGINE COMPARTMENT CHECK
LOCATIONS
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The engine cooling system is filled at the factory
with Genuine NISSAN Long Life Antifreeze/
Coolant to provide year-round anti-freeze and
coolant protection.The anti-freeze solution con-
tains rust and corrosion inhibitors. Additional en-
gine cooling system additives are not necessary.
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” found in the “In case
of emergency” section of this manual.
● The radiator is equipped with a pres-
sure type radiator cap. To prevent en-
gine 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% anti-
freeze and 50% demineralized or distilled
water. The use of other types of coolant
solutions or coolant colors, such as or-
ange, may damage the engine cooling
system.
Outside temperature
down to
Genuine
NISSAN
Long Life
Antifreeze/
Coolant or
equivalent
Demineral-
ized or dis-
tilled water
°C
°F
-35
-30
50%
50%
CHECKING ENGINE COOLANT
LEVEL
Check the coolant level in the reservoir when
the engine is cold. If the coolant level is below
the MIN level, add coolant to the MAX level. 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 filler opening and also add
it to the reservoir up to the MAX level.
The engine coolant reservoir is a pressur-
ized tank. When installing the cap, tighten
it until a clicking sound is heard.
LDI0369
ENGINE COOLING SYSTEM
Maintenance and do-it-yourself
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If the cooling system frequently requires
coolant, have it checked by an INFINITI
dealer.
CHANGING ENGINE COOLANT
An INFINITI dealer can change the engine cool-
ant. The service procedure can be found in the
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 en-
gine is hot.
● Never remove the radiator or engine
coolant reservoir 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 the reach of chil-
dren and pets.
Engine coolant must be disposed of properly.
Check your local regulations.
CHECKING ENGINE OIL LEVEL
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature.
3. Turn off the engine. Wait more than
10 minutes for the oil to drain back into
the oil pan.
4. Remove the dipstick and wipe it clean. Re-
insert it all the way.
LDI0370
ENGINE OIL
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5. Remove the dipstick again and check the oil
level. It should be between the H (High) and
L (Low) marks
s
B
. This is the normal oper-
ating oil level range. If the oil level is below
the L (Low) mark
s
A
, remove the oil filler cap
and pour recommended oil through the
opening. Do not overfill
s
C
.
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. Op-
erating the engine with an insufficient
amount of oil can damage the engine, and
such damage is not covered by warranty.
CHANGING ENGINE OIL
Change the engine oil and filter according to the
maintenance intervals shown in the “INFINITI
Service and Maintenance Guide”.
Vehicle set-up
1. Park the vehicle on a level surface and apply
the parking brake.
2. Start the engine and let it idle until it reaches
operating temperature, then turn it off.
3. Remove the oil filler cap
s
A
by turning it
counterclockwise.
LDI0371
WDI0504
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4. Place a large drain pan under the drain plug
s
B
.
5. Remove the drain plug
s
B
with a wrench by
turning it counterclockwise and completely
drain the oil.
If the oil filter is to be changed, remove and
replace it at this time. See “Changing engine
oil filter” later in this section.
● Waste oil must be disposed of prop-
erly.
● Check your local regulations.
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.
CAUTION
Be careful not to burn yourself. The engine
oil may be hot.
6. Clean and reinstall the drain plug and a new
washer. Securely tighten the drain plug with
a wrench. Do not use excessive force.
Drain plug tightening torque:
22 - 29 ft-lb (29 - 39 N·m)
7. Refill engine with recommended oil through
the oil filler opening, then install the oil filler
cap securely.
See “Capacities and recommended fuel/
lubricants” in the “Technical and consumer
information” section of this manual for drain
and refill capacity.
The drain and refill capacity depends on the
oil temperature and drain time. Use these
specifications for reference only. Always use
the dipstick to determine when the proper
amount of oil is in the engine.
8. Start the engine. Check for leakage around
the drain plug and oil filter. Correct as re-
quired.
9. Turn the engine off and wait more than
10 minutes. Check the oil level with the
dipstick. Add engine oil if necessary.
CHANGING ENGINE OIL FILTER
1. Park the vehicle on a level surface and apply
the parking brake.
2. Turn the engine off.
3. Place a large drain pan under the oil filter
s
A
.
4. Loosen the oil filter
s
A
with an oil filter
wrench by turning it counterclockwise. Then
remove the oil filter by turning it by hand.
CAUTION
Be careful not to burn yourself. The engine
oil may be hot.
WDI0505
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5. Wipe the engine oil filter sealing surface with
a clean rag.
CAUTION
Be sure to remove any old gasket material
remaining on the sealing surface of the
engine. Failure to do so could lead to
engine failure.
6. Coat the gasket on the new filter with clean
engine oil.
7. Screw on the oil filter until a slight resistance
is felt, then tighten an additional 2/3 turn.
8. Start the engine and check for leakage
around the oil filter. Correct as required.
9. Turn the engine off and wait more than
10 minutes. Check the oil level. Add engine
oil if necessary.
When checking or replacement is required, we
recommend your INFINITI dealer for servicing.
CAUTION
● Use Genuine NISSAN Matic S ATF. If
Genuine NISSAN Matic S ATF is not
available, Genuine NISSAN Matic J ATF
may also be used.
● Using automatic transmission fluid
other than Genuine NISSAN Matic S
ATF or Matic J ATF will cause deteriora-
tion in driveability and automatic trans-
mission durability, and may damage the
automatic transmission, which is not
covered by the INFINITI new vehicle lim-
ited warranty.
The specified automatic transmission fluid is also
described on caution labels located in the engine
compartment.
The fluid level should be checked using the HOT
MAX range on the power steering fluid reservoir
at fluid temperatures of 122° - 176°F (50° -
80°C) or using the COLD MAX range on the
power steering fluid reservoir at fluid tempera-
tures of 32° - 86°F (0° - 30°C).
If the fluid is below the MIN line, add Genuine
NISSAN PSF. Remove the cap and fill through
the opening.
CAUTION
● DO NOT OVERFILL.
● Recommended
fluid
is
Genuine
NISSAN PSF or equivalent.
WDI0256
5-SPEED AUTOMATIC
TRANSMISSION FLUID
POWER STEERING FLUID
Maintenance and do-it-yourself
8-11
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For further brake fluid specification information,
refer to “Capacities and recommended fuel/
lubricants” in the “Technical and consumer infor-
mation” section of this manual.
WARNING
● Use only new fluid from a sealed con-
tainer. Old, inferior or contaminated
fluid may damage the brake system.
The use of improper fluids can damage
the brake system and affect the vehi-
cle’s stopping ability.
● Clean the filler cap before removing.
● Brake fluid is poisonous and should be
stored carefully in marked containers
out of reach of children.
CAUTION
Do not spill the fluid on any painted sur-
faces. This will damage the paint. If fluid is
spilled, immediately wash the surface
with water.
BRAKE FLUID
Check the brake fluid level in the reservoir. If the
fluid level is below the MIN line or the brake
warning light comes on, add Genuine NISSAN
Super Heavy Duty Brake Fluid or equivalent DOT
3 fluid up to the MAX line. If fluid must be added
frequently, the system should be checked by an
INFINITI dealer.
WINDOW WASHER FLUID
RESERVOIR
Fill the window washer fluid reservoir periodically.
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 washer for better
cleaning. In the winter season, add a windshield
washer antifreeze. Follow the manufacturer’s in-
structions for the mixture ratio.
LDI0374
WDI0414
BRAKE FLUID
WINDOW WASHER FLUID
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Refill the reservoir more frequently when driving
conditions require an increased amount of win-
dow 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 reser-
voir tank.
● Pre-mix washer fluid concentrates with
water to the manufacturer’s recom-
mended levels before pouring the fluid
into the window washer reservoir tank.
Do not use the window washer reservoir
tank to mix the washer fluid concen-
trate and water.
● Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
● Make certain the terminal connections are
clean and securely tightened.
● If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
terminal cable to prevent discharge.
WARNING
● Do not expose the battery to flames or
electrical sparks. Hydrogen gas gener-
ated by the battery is explosive. Do not
allow battery fluid to contact your skin,
eyes, fabrics or painted surfaces. After
touching a battery or battery cap, do not
touch or rub your eyes. Thoroughly
wash your hands. If the acid contacts
your eyes, skin or clothing, immediately
flush with water for at least 15 minutes
and seek medical attention.
● Do not operate the vehicle if the fluid in
the battery is low. Low battery fluid can
cause a higher load on the battery
which can generate heat, reduce bat-
tery life, and in some cases lead to an
explosion.
● When working on or near a battery, al-
ways wear suitable eye protection and
remove all jewelry.
● Battery posts, terminals and related ac-
cessories contain lead and lead com-
pounds. Wash hands after handling.
● Keep battery out of the reach of
children.
BATTERY
Maintenance and do-it-yourself
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1. Remove the battery caps with a screwdriver
as shown. Use a cloth to protect the battery
case.
2. Check the fluid level in each cell. If it is
necessary to add fluid, add only distilled
water to bring the level up to the bottom of
the filler opening. Do not overfill.
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”
in the “In case of emergency” section of this
manual. If the engine does not start by jump
starting, the battery may have to be replaced.
Contact an INFINITI dealer.
WDI0224
LDI0302
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CAUTION
● Do not ground accessories directly to
the battery terminal. Doing so will by-
pass the variable voltage control sys-
tem and the vehicle battery may not
charge completely.
● Use electrical accessories with the en-
gine running to avoid discharging the
vehicle battery.
Your vehicle is equipped with a variable voltage
control system. This system measures the
amount of electrical discharge from the battery
and controls voltage generated by the generator.
The current sensor
s
A
is located near the battery
along the negative battery cable. If you add elec-
trical accessories to your vehicle, be sure to
ground them to a suitable body ground such as
the frame or engine block area.
1.
Power steering fluid pump
2.
Automatic belt tensioner
3.
Water pump
4.
Cooling fan
5.
Air conditioner
6.
Crankshaft
7.
Generator
WARNING
Be sure the ignition key is in the OFF or
LOCK position before servicing drive belt.
The engine could rotate unexpectedly.
WDI0566
WDI0661
VARIABLE VOLTAGE CONTROL
SYSTEM
DRIVE BELT
Maintenance and do-it-yourself
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1. Visually inspect the belt for signs of unusual
wear, cuts, fraying or looseness. If the belt is
in poor condition or is loose, have it replaced
or adjusted by an INFINITI dealer.
2. Have the belt checked regularly for condi-
tion and tension in accordance with the
maintenance schedule found in your
“INFINITI Service and Maintenance Guide”.
REPLACING SPARK PLUGS
Iridium-tipped spark plugs
It is not necessary to replace iridium-tipped
s
A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Fol-
low the maintenance log shown in the “INFINITI
Service and Maintenance Guide”. Do not service
iridium-tipped spark plugs by cleaning or regap-
ping.
● Always replace spark plugs with rec-
ommended or equivalent ones.
WARNING
Be sure the engine and ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
Be sure to use the correct socket to re-
move the spark plugs. An incorrect socket
can damage the spark plugs.
If replacement is required, see your INFINITI
dealer for assistance.
SDI1895
SPARK PLUGS
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The air cleaner filter should not be cleaned and
reused. Replace it according to the maintenance
log shown in your “INFINITI Service and Mainte-
nance Guide.” When replacing the filter, wipe the
inside of the air cleaner filter housing and the
cover with a damp cloth.
To remove the air cleaner filter:
s
1
Loosen the screw.
s
2
Disconnect the electrical connector.
s
3
Push down on the clips and remove the air
cleaner cover. Remove the air cleaner filter.
WARNING
● Operating the engine with the air
cleaner removed can cause you or oth-
ers to be burned. The air cleaner not
only cleans the air, it stops the flame if
the engine backfires. If it isn’t there, and
the engine backfires, 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.
IN-CABIN MICROFILTER
The in-cabin microfilter restricts the entry of air-
borne dust and pollen particles and reduces
some objectionable outside odors. The filter is
located behind the glove box. Refer to the
“INFINITI Service and Maintenance Guide” for
change intervals.
To replace the filter, perform the following proce-
dure:
1. Remove the 2 lower glove box screws.
LDI0376
WDI0622
AIR CLEANER
Maintenance and do-it-yourself
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2. Open the glove box, then remove the three
upper glove box screws. Remove the glove
box assembly from the instrument panel to
access the in-cabin microfilter cover.
3. Remove the filter cover bolt and remove the
filter cover.
NOTE:
The filters are marked with air flow arrows.
The end of the filter with the arrow should
face the rear of the vehicle. The arrows
should face downward.
4. Insert the first filter into the housing and slide
it over to the right. Insert the second filter
into the housing.
5. Replace the filter cover.
6. Install the glove box assembly.
7. Fill out the date information on the small
replacement label and attach it to the glove
box lid.
WDI0623
LDI0387
LDI0404
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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 blades with clear water. If your wind-
shield is still not clear after cleaning the blades
and using the wiper, replace the blades.
CAUTION
Worn windshield wiper blades can dam-
age the windshield and impair driver
vision.
REPLACING
Replace the wiper blades if they are worn.
1. Lift the wiper arm away from the windshield.
s
2
Push the release tab, then move the wiper
blade down the wiper arm to remove.
s
3
Remove the wiper blade.
4. Insert the new wiper blade onto the wiper
arm until it clicks into place.
5. Rotate wiper blade so the dimple is in the
groove.
CAUTION
● After wiper blade replacement, return
the wiper arm to its original position;
otherwise it may be damaged when the
hood is opened.
● Make sure the wiper blades contact the
glass; otherwise the arms may be dam-
aged from wind pressure.
WDI0408
WINDSHIELD WIPER BLADES
Maintenance and do-it-yourself
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If you wax the surface of the hood, be careful not
to let wax get into the washer nozzle
s
A
. This may
cause clogging or improper windshield washer
operation. If wax gets into the nozzle, remove it
with a needle or small pin
s
B
.
WDI0629
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Rear window wiper blade
s
1
Lift the wiper arm away from the rear win-
dow.
s
2
Push the wiper blade in and pivot until the
blade becomes free.
s
3
Insert a new blade onto the wiper arm and
snap into place.
LDI0379
Maintenance and do-it-yourself
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