2020 NISSAN MAXIMA engine

Vehicle set-up
1. Park the vehicle on a level surface andapply the parking brake.
2. Run the engine until it reaches operat- ing temperature.
3. Turn the engine off and wait for 15 min- utes.
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
to the jack stand saddle.
CAUTION
Make sure the correct lif ting and sup-
port points are used to avoid vehicle
damage.
4Under engine protector
LDI3386
5Right engine protector
LDI3430
8-8Do-it-yourself

Removal of engine protectors
1. Remove clipsAand under engine pro-
tector.
2. Remove clips
Band right engine pro-
tector.
Engine oil and filter
1. Place a large drain pan under the drain
plug and oil filter.
2. Remove the oil filler cap.
3. Remove the drain plug with a wrench by turning it counterclockwise and
completely drain the oil.
CAUTION
Be careful not to burn yourself, as the
engine oil is hot.
WARNING
∙ Prolonged and repeated contact withused 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.
4. Loosen the oil filter with an oil filter wrench by turning it counterclockwise.
Remove the oil filter by turning it by
hand.
5. Wipe the engine oil filter mounting sur- face with a clean rag.
CAUTION
Be sure to remove any old gasket mate-
rial remaining on the sealing surface of
the engine. Failure to do so could lead to
an oil leak and engine damage.
∙ The dipstick must be inserted in placeto prevent oil spillage from the dip-
stick hole when filling the engine with
oil.
Under-engine protector
LDI3352
Right engine protector
LDI3429
Do-it-yourself8-9

6. Coat the gasket on the new filter withclean engine oil.
7. Screw in the oil filter clockwise until a slight resistance is felt, then tighten ad-
ditionally more than 2/3 turn.
Oil filter tightening torque: 11 to 15 f t-lb (14.7 to 20.6 N·m)
8. Clean and re-install the drain plug with a new washer. Securely tighten the
drain plug with a wrench. Do not use
excessive force.
Drain plug tightening torque: 22 to 29 f t-lb (29.4 to 39.2 N·m)
9. Refill the engine with the recom- mended oil through the oil filler open-
ing, and install the oil filler cap securely.
For additional information about drain and
refill capacity, refer to “Recommended
fluids/lubricants and capacities” in the
“Technical and consumer information” sec-
tion of this manual. The drain and refill ca-
pacity depends on the oil temperature and
drain time. Use these specifications for ref-
erence only. Always use the dipstick to de-
termine 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. Turn the engine off
and wait more than 15 minutes. Check
the oil level with the dipstick. Add en-
gine oil if necessary.
Af ter the operation
1. Reinstall engine protectors in reverseorder of removal.
2. Lower the vehicle carefully to the ground.
3. Reset oil and oil filter maintenance re- minder. For additional information, re-
fer to “Vehicle information display” in
the “Instruments and controls” section
of this manual.
∙ Dispose of waste oil and filter properly.
∙ Check your local regulations.
CAUTION
∙ NISSAN recommends using Genuine NISSAN CVT Fluid NS-3 (or equivalent)
ONLY in NISSAN CVTs. Do not mix with
other fluids.
∙ Do not use Automatic Transmission Fluid (ATF) or manual transmission
fluid in a NISSAN CVT, as it may dam-
age the CVT. Damage caused by the
use of fluids other than as recom-
mended is not covered under
NISSAN’s New Vehicle Limited
Warranty.
∙ Using fluids that are not equivalent to Genuine NISSAN CVT Fluid NS-3 may
also damage the CVT. Damage caused
by the use of fluids other than as rec-
ommended is not covered under
NISSAN’s New Vehicle Limited
Warranty.
When checking or replacement of CVT fluid
is required, it is recommended that you visit
a NISSAN dealer for this service.
CONTINUOUSLY VARIABLE
TRANSMISSION (CVT) FLUID
8-10Do-it-yourself

∙ Brake fluid is poisonous and shouldbe stored carefully in marked contain-
ers 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.
Check the fluid level in the reservoir. If the
brake fluid is below the MIN line
B, the
brake warning light will illuminate. Add
brake fluid up to the MAX line
A. For addi-
tional information on recommended type
of brake fluid, refer to “Recommended
fluids/lubricants and capacities" in the “
Technical and consumer information” sec-
tion of this manual.
If the brake fluid must be added frequently,
the brake system should be thoroughly
checked. It is recommended that you visit a
NISSAN dealer for this service.
WINDSHIELD-WASHER FLUID
RESERVOIR
Fill the windshield-washer fluid reservoir pe-
riodically. Add windshield-washer fluid when
the “Low Washer Fluid” warning message
shows on the vehicle information display.
To fill the windshield-washer fluid reservoir,
lif t the cap off the reservoir and pour the
windshield-washer fluid into the reservoir
opening.
Add a washer solvent to the washer for
better cleaning. In the winter season, add a windshield-washer antifreeze. Follow the
manufacturer’s instructions for the mix-
ture ratio.
Refill the reservoir more frequently when
driving conditions require an increased
amount of windshield-washer fluid.
Recommended fluid is Genuine NISSAN
Windshield Washer Concentrate Cleaner &
Anti-freeze or equivalent.
CAUTION
∙Do not substitute engine antifreeze
coolant for windshield-washer fluid.
This may result in damage to the paint.
∙ Do not fill the windshield-washer fluid reservoir with washer fluid concen-
trates at full strength. Some methyl
alcohol based washer fluid concen-
trates may permanently stain the
grille if spilled while filling the
windshield-washer fluid reservoir.
∙ Pre-mix washer fluid concentrates with water to the manufacturer’s rec-
ommended levels before pouring the
fluid into the windshield-washer fluid
reservoir. Do not use the windshield-
washer fluid reservoir to mix the
washer fluid concentrate and water.
LDI2754
WINDSHIELD-WASHER FLUID
8-12Do-it-yourself

∙ If the battery is labeled “do not open” it ismaintenance free and battery fluid
should not be checked. It is recom-
mended that you visit a NISSAN dealer
or a qualified specialist workshop to
confirm the battery’s performance.
∙ Keep the battery surface clean and dry. Clean the battery with a solution of bak-
ing 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 nega-
tive (-) battery terminal cable to prevent
discharge.
NOTE:
Care should be taken to avoid situations
that can lead to potential battery dis-
charge and potential no-start conditions
such as: 1. Installation or extended use of elec-
tronic accessories that consume bat-
tery power when the engine is not
running (Phone chargers, GPS, DVD
players, etc.)
2. Vehicle is not driven regularly and/or
only driven short distances. In these cases, the battery may need to
be charged to maintain battery health.
WARNING
∙ Do not expose the battery to flames,
an electrical spark or a cigarette. Hy-
drogen gas generated by the battery
is explosive. Explosive gases can
cause blindness or injury. Do not allow
battery fluid to contact your skin,
eyes, fabrics or painted surfaces. Sul-
furic acid can cause blindness or in-
jury. Af ter touching a battery or bat-
tery cap, do not touch or rub your
eyes. Thoroughly wash your hands. If
the acid contacts your eyes, skin or
clothing, immediately flush with wa-
ter for at least 15 minutes and seek
medical attention.
∙ When working on or near a battery, always wear suitable eye protection
and remove all jewelry.
∙ Battery posts, terminals and related accessories contain lead and lead
compounds. Wash hands af ter
handling.
∙ Keep battery out of the reach of children.
∙ Do not tip the battery. NOTE:
Do not try to open the top of the battery.
This battery is not equipped with remov-
able vent caps.
JUMP STARTING
If jump starting is necessary, refer to “Jump
starting” in the “In case of emergency” sec-
tion of this manual. If the engine does not
start by jump starting, the battery may
have to be replaced. It is recommended
that you visit a NISSAN dealer for this ser-
vice.
LDI3302
8-14Do-it-yourself

1. Crankshaf t pulley
2. Drive belt automatic tensioner pul-ley
3. Generator pulley
4. Air conditioner compressor pulley
WARNING
Be sure the ignition switch is placed in
the OFF or LOCK position before servic-
ing drive belt. The engine could rotate
unexpectedly. 1. Visually inspect the belt for signs of un-
usual wear, cuts, fraying or looseness. If
the belt is in poor condition or is loose,
have it replaced or adjusted. It is recom-
mended that you visit a NISSAN dealer
for this service.
2. Have the belt checked regularly for condition and tension in accordance
with the maintenance schedule found
in the “Maintenance and schedules”
section of this manual.
REPLACING SPARK PLUGS
Iridium-tipped spark plugs
It is not necessary to replace iridium-
tipped
Aspark plugs as frequently as con-
ventional type spark plugs because they
last much longer. Follow the maintenance
log shown in the “Maintenance and sched-
ules” section of this manual. Do not service
iridium-tipped spark plugs by cleaning or
regapping.
∙ Always replace spark plugs with rec-
ommended or equivalent ones.
VQ35DE engine
LDI2131SDI1895
DRIVE BELT SPARK PLUGS
Do-it-yourself8-15

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, it is recom-
mended that you visit a NISSAN dealer for
this service.
The air cleaner filter should not be cleaned
and reused. Replace it according to the
maintenance log shown in the “Mainte-
nance and schedules” section of this
manual. 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:∙ Unlatch the clips
Aand move the air
cleaner cover upward.
∙ Remove the air cleaner filter.
∙ Wipe the inside of the air cleaner filter housing and cover with a damp cloth.
WARNING
∙ Operating the engine with the aircleaner removed can cause you or
others 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 airborne dust and pollen particles and
reduces some objectionable outside
odors. The filter is located behind the glove
box. For additional information, refer to the
“Maintenance and schedules” section of
this manual for change intervals.
If replacement is required, it is recom-
mended that you visit a NISSAN dealer for
this service.
LDI2756
AIR CLEANER
8-16Do-it-yourself

If any electrical equipment does not oper-
ate, check for an open fuse.
Fuses are used in the passenger and en-
gine compartment. Spare fuses are pro-
vided and can be found in the passenger
compartment fuse box.
When installing a fuse make sure the fuse is
installed in the fuse box securely.ENGINE COMPARTMENT
WARNING
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 electronic con-
trol units or cause a fire.If any electrical equipment does not come
on, check for an open fuse.
1. Be sure the ignition switch and the headlight switch are in the OFF posi-
tion.
2. Open the engine hood.
3. Remove the fuse box cover by pushing the tab and lif ting the cover up.
4. Remove the fuse with the fuse puller. The fuse puller is located in the center
of the fuse block in the passenger
compartment.
LDI2385LDI2636
FUSES
Do-it-yourself8-19