1999 NISSAN ALTIMA ECU

7. Install the jack in its storage area and
tighten the jack screw clockwise.
8. Close the jack access door. Close the
trunk.
WARNING
cAlways make sure that the spare tire
and jacking equipment are properly
secured after use. Such items can
become dangerous projectiles in an
accident or sudden stop.cThe T-type spare tire is designed for
emergency use. See specific instruc-
tions under the heading ``Wheels
and tires'' in the ``Do-it-yourself''
section.To start your engine with a booster battery,
the instructions and precautions below must
be followed.
WARNING
cIf done incorrectly, jump starting can
lead to a battery explosion, resulting
in severe injury or death. It could
also damage your vehicle.
cExplosive hydrogen gas is always
present in the vicinity of the battery.
Keep all sparks and flames away
from the battery.
cDo not allow battery fluid to come
into contact with eyes, skin, cloth or
painted surfaces. Battery fluid is a
corrosive sulphuric acid solution
which can cause severe burns. If the
fluid should come into contact with
anything, immediately flush the con-
tacted area with water.
cKeep battery out of the reach of
children.
cThe booster battery must be rated at
12 volts. Use of an improper rated
battery can damage your vehicle.
CE1082
JUMP STARTING
In case of emergency6-7
ZX

cWhen towing manual transmission
models with the front wheels on the
ground (if you do not use towing
dollies):
Turn the ignition key to the OFF
position and secure the steering
wheel in a straight-ahead position
with a rope or similar device. Never
place the ignition key in the LOCK
position. This will result in damage
to the steering lock mechanism.
Move the gearshift lever to the Neu-
tral (N position).
c
When towing with the rear wheels on
the ground, release the parking brake.
cAttach safety chains for all towing.
NISSAN recommends that your vehicle be
towed with the driving (front) wheels off the
ground as illustrated.
CAUTION
cNever tow an automatic transmis-
sion model with the rear wheels
raised (with the front wheels on the
ground) as this may cause serious
and expensive damage to the trans-
mission. If it is necessary to tow the
vehicle with the rear wheels raised,
always use towing dollies under the
front wheels.
ACE0511
ACE1001
In case of emergency6-11
ZX

When performing any inspection or mainte-
nance work on your vehicle, always take
care to prevent serious accidental injury to
yourself or damage to the vehicle. The
following are general precautions which
should be closely observed.
WARNING
cPark the vehicle on a level surface,
apply the parking brake securely and
block the wheels to prevent the ve-
hicle from moving. For a manual
transmission, move the shift lever to
Neutral. For an automatic transmis-
sion, move the shift lever to P (Park).
cBe sure the ignition key is OFF when
performing any parts replacement or
repairs.
cYour vehicle is equipped with an
automatic engine cooling fan. It may
come on at any time without warn-
ing, even if the ignition key is in the
OFF position and the engine is not
running. To avoid injury, always dis-
connect the negative battery cable
before working near the fan.c
If you must work with the engine run-
ning, keep your hands, clothing, hair
and tools away from moving fans,
belts and any other moving parts.
cIt is advisable to remove ties and any
jewelry, such as rings, watches, etc.
before working on your vehicle.
cAlways wear eye protection when-
ever you work on your vehicle.
cIf you must run the engine in an
enclosed space such as a garage, be
sure there is proper ventilation for
exhaust gases.
cNever get under the vehicle while it
is supported only by a jack. If it is
necessary to work under the vehicle,
support it with safety stands.
c
Keep smoking materials, flame and
sparks away from fuel and the battery.
cOn gasoline engine models with the
Multiport Fuel Injection (MFI) sys-
tem, the fuel filter or fuel lines
should be serviced by a NISSAN
dealer because the fuel lines are
under high pressure even when the
engine is off.
CAUTION
cDo not work under the hood while
the engine is hot. Turn off the engine
and wait until it cools down.
cNever connect or disconnect either
the battery or any transistorized
component connector while the igni-
tion is ON.
cNever leave the engine or the auto-
matic transmission related compo-
nent harness connector discon-
nected while the ignition is ON.
c
Avoid contact with used engine oil.
Improperly disposed motor oil and/or
other vehicle fluids can hurt the en-
vironment. Always conform to local
regulations for disposal of vehicle
fluid.
This ``Do-it-yourself'' section gives instruc-
tions regarding only those items which are
relatively easy for an owner to perform.
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, have it done
by an authorized NISSAN dealer.
MAINTENANCE
PRECAUTIONS
8-2Do-it-yourself
ZX

CHANGING ENGINE OIL
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.
4. Place a large drain pan under the drain
plug.
5. Remove the drain plug with a wrench and
completely drain the oil.If the oil filter is to be changed, remove
and replace it at this time. See ``Chang-
ing engine oil filter'' later in this section.
CAUTION
Be careful not to burn yourself, as the
engine oil is hot.
Waste oil must be disposed of properly.
Check your local regulations.
6. Clean and re-install the drain plug and
washer. Securely tighten the drain plug
with a wrench.
Drain plug tightening torque:
22 to 29 ft-lb
(29 to 39 Nzm)
Do not overtighten.
7. Refill the engine with a recommended oil
through the oil filler opening, then install
the oil filler cap securely.
See the ``Technical and consumer informa-
tion'' section for drain and refill capacity.
The drain and refill capacity depends on the
oil temperature and drain time. Use these
specifications for reference only. Alwaysuse 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. Correct as re-
quired.
9. Turn the engine off and wait several
minutes. Check the oil level with the
dipstick. Add engine oil if necessary.
WARNING
cProlonged and repeated contact with
used engine oil may cause skin can-
cer.
cTry to avoid direct skin contact with
used oil. If skin contact is made,
wash thoroughly with soap or hand
cleaner as soon as possible.
cKeep used engine oil out of reach of
children.
DI1302
8-8Do-it-yourself
ZX

Canada Only
Add window washer fluid when thelight comes on.
CAUTION
Do not substitute engine anti-freeze
coolant for windshield washer solution.
This may result in damage to the paint.cKeep the battery surface clean and dry.
Any corrosion should be washed off with
a solution of baking soda and water.
cMake certain the terminal connections
are clean and securely tightened.
c
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (Ð) battery
terminal cable to prevent discharge.
WARNING
cDo not expose the battery to flames
or electrical sparks. Hydrogen gas
generated by battery action is explo-
sive. 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 min-
utes and seek medical attention.
cWhen working on or near a battery,
always wear suitable eye protection
and remove all jewelry.
cKeep the battery out of the reach of
children.1. To remove the cap, gently pry between
the battery cap and cover as illustrated.
Use a cloth to protect the battery case.
ADI0500
BATTERY
Do-it-yourself8-13
ZX

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
OK level indicator in each filler opening.
Do not overfill.
JUMP STARTING
If jump starting is necessary, see the ``In
case of emergency'' section of this owner's
manual. If the engine does not start by jump
starting, the battery may have to be re-
placed. Contact an authorized NISSAN
dealer.
WARNING
Be sure the ignition key is OFF. The
engine could rotate unexpectedly.
1. Visually inspect each 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 autho-
rized NISSAN dealer.
2. Have the belts checked regularly for con-
dition and tension in accordance with the
maintenance schedule found in the
``Maintenance'' section of this manual.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
remove the spark plugs. An incorrect
socket can damage the spark plugs.
DI1310ADI0533DI1229M
DRIVE BELTS SPARK PLUG REPLACEMENT
8-14Do-it-yourself
ZX

Types of tires
WARNING
When changing or replacing tires, be
sure all four tires are of the same type
(i.e., Summer, All Season or Snow) and
construction. An authorized NISSAN
dealer may be able to help you with
information about tire type, size, speed
rating and availability. Replacement
tires may have a lower speed rating
than the factory equipped tires, and
may not match the potential maximum
vehicle speed. Never exceed the maxi-
mum speed rating of the tire.
All Season tires
NISSAN specifies All Season tires on some
models to provide good performance for
use all year around, including snowy and icy
road conditions. All Season Tires are iden-
tified by ALL SEASON and/or M&S on the
tire sidewall. Snow tires have better snow
traction than All Season tires and may be
more appropriate in some areas.
Summer tires
NISSAN specifies summer tires on some
models to provide superior performance on
dry roads. Summer tire performance in
snow and ice is substantially reduced. Sum-
mer tires do not have the tire traction rating
M&S on the tire sidewall.
If you plan to operate your vehicle in snowy
or icy conditions, NISSAN recommends the
use of SNOW or ALL SEASON tires on all
four wheels.
Snow tires
If snow tires are needed, it is necessary to
select tires equivalent in size and load rating
to the original equipment tires. If you do not,
it can adversely affect the safety and han-
dling of your vehicle.
Generally, snow tires have lower speed
ratings than factory equipped tires and may
not match the potential maximum vehicle
speed. Never exceed the maximum speed
rating of the tire.
For additional traction on icy roads, studded
tires may be used. However, some U.S
States and Canadian Provinces prohibit
their use. Check local, state and provinciallaws before installing studded tires. Skid
and traction capabilities of studded snow
tires on wet or dry surfaces may be poorer
than that of non-studded snow tires.
Tire chains
Use of tire chains may be prohibited accord-
ing to location. Check the local laws before
installing tire chains. When installing tire
chains, make sure they are of proper size
for the tires on your vehicle and are installed
according to the chain manufacturer's sug-
gestions.Use only SAE class ``S'' chains.
Other types may damage your vehicle. Use
chain tensioners when recommended by
the tire chain manufacturer to ensure a tight
fit. Loose end links of the tire chain must be
secured or removed to prevent the possibil-
ity of whipping action damage to the fenders
or underbody. If possible, avoid fully loading
your vehicle when using tire chains. In ad-
dition, drive at a reduced speed. Otherwise,
your vehicle may be damaged and/or ve-
hicle handling and performance may be
adversely affected.
Never install tire chains on T-type spare
tires. Do not use tire chains on dry roads.
Do-it-yourself
8-29
ZX

Tire rotation*Ð Tires should be rotated
every 7,500 miles (12,000 km).
Wheel alignment and balanceÐIfthe
vehicle should pull to either side while driv-
ing on a straight and level road, or if you
detect uneven or abnormal tire wear, there
may be a need for a wheel alignment.
If the steering wheel or seat vibrates at
normal highway speeds, wheel balancing
may be needed.
Windshield wiper blades*Ð Check for
cracks or wear if they do not wipe properly.
Doors and hoodÐ Check that all doors
and the hood operate properly. Also ensure
all latches lock securely. Lubricate hinges,
latches, rollers and links if necessary. Make
sure the secondary latch keeps the hood
from opening when the primary latch is
released.
When driving in areas using road salt or
other corrosive materials, check lubrication
frequently.
Lights*Ð Make sure the headlights, stop
lights, tail lights, turn signal lights, and other
lights are all operating properly and installed
securely. Also check headlight aim.INSIDE THE VEHICLE
The maintenance items listed here should
be checked on a regular basis, such as
when performing periodic maintenance,
cleaning the vehicle, etc.
Additional information on the following
items with an ``*'' is found in the ``Do-it-
yourself'' section of this manual.
Warning lights and chimesÐ Make sure
all warning lights and buzzers/chimes are
operating properly.
Windshield wiper and washer*Ð Check
that the wipers and washer operate properly
and that the wipers do not streak.
Windshield defrosterÐ Check that the air
comes out of the defroster outlets properly
and in sufficient quantity when operating the
heater or air conditioner.
Steering wheelÐ Check for changes in
the steering conditions, such as excessive
freeplay, hard steering or strange noises.
SeatsÐ Check seat position controls such
as seat adjusters, seatback recliner, etc. to
ensure they operate smoothly and all latches
lock securely in every position. Check that
the head restraints move up and downsmoothly and the locks (if so equipped) hold
securely in all latched positions.
Seat beltsÐ Check that all parts of the seat
belt system (for example, buckles, anchors,
adjusters and retractors) operate properly
and smoothly, and are installed securely.
Check the belt webbing for cuts, fraying,
wear or damage.
Accelerator pedalÐ Check the pedal for
smooth operation and make sure the pedal
does not catch or require uneven effort.
Keep the floor mat away from the pedal.
Clutch pedal*Ð Make sure the pedal
operates smoothly and check that it has the
proper free travel.
BrakesÐ Check that the brakes do not pull
the vehicle to one side when applied.
Brake pedal and booster*Ð Check the
pedal for smooth operation and make sure it
has the proper distance under it when de-
pressed fully. Check the brake booster func-
tion. Be certain to keep the floor mat away
from the pedal.
Parking brake*Ð Check that the lever has
the proper travel and confirm that your
vehicle is held securely on a fairly steep hill
with only the parking brake applied.
Maintenance
9-3
ZX