1998 NISSAN ALTIMA service

of at least 87 AKI (Anti-Knock Index) num-
ber. However, you may use unleaded gaso-
line with an octane rating as low as 85 AKI
(Anti-Knock Index) number in high altitude
areas [over 4,000 ft (1,219 m)] such as:
Colorado, Montana, New Mexico, Utah,
Wyoming, northeastern Nevada, southern
Idaho, western South Dakota, western Ne-
braska, and the part of Texas which is
directly south of New Mexico.
Using unleaded gasoline with an octane
rating lower than stated above can cause
persistent, heavy ``spark knock.''
(``Spark knock'' is a metallic rapping
noise.) If severe, this can lead to engine
damage. If you detect a persistent heavy
spark knock even when using gasoline
of the stated octane rating, or if you hear
steady spark knock while holding a
steady speed on level roads, have an
authorized dealer correct the condition.
Failure to correct the condition is misuse
of the vehicle, for which NISSAN is not
responsible.
Incorrect ignition timing may result in spark
knock, after-run or overheating, which may
cause excessive fuel consumption or en-
gine damage. If any of the above symptomsare encountered, have your vehicle
checked at an authorized NISSAN dealer or
other competent service facility.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is
no cause for concern, because you get
the greatest fuel benefit when there is
light spark knock for a short time under
heavy engine load.
10-4Technical and consumer information
ZX

ENGINE OIL AND OIL FILTER
RECOMMENDATION
Selecting the correct oil
It is essential to choose engine oil with the
correct quality and viscosity oil to ensure
satisfactory engine life and performance.
NISSAN recommends the use of a low
friction oil (energy conserving oil) in order to
improve fuel economy and conserve en-
ergy. Oils which do not have the specified
quality label should not be used as they
could cause engine damage.Only those engine oils with the American
Petroleum Institute (API) CERTIFICATION
MARK on the front of the container should
be used. This type of oil supersedes the
existing API SG or SH and Energy Conserv-
ing II categories.
If you cannot find engine oil with the CERTI-
FICATION MARK, an API SG or SH an
Energy Conserving II oil with the API Service
Symbol may be used. An oil with a single
designation SG or SH, or in combination with
other categories (for example, SG/CC or
SG/CD) may also be used if one with the API
CERTIFICATION MARK cannot be found.
Mineral based or synthetic type oils may be
used in your NISSAN vehicle. These oils
must however, meet the API quality and
SAE viscosity ratings specified for your ve-
hicle. Do not mix mineral based and syn-
thetic type oils in the engine.
Oil additives
NISSAN does not recommend the use of oil
additives. The use of an oil additive is not
necessary when the proper oil type is used
and maintenance intervals are followed.
Oil which may contain foreign matter or has
been previously used should not be used.
Oil viscosity
The engine oil viscosity or thickness
changes with temperature. Because of this,
it is important that the engine oil viscosity be
selected based on the temperatures at
which the vehicle will be operated before
the next oil change. The chart ``Recom-
mended SAE viscosity number'' shows the
recommended oil viscosities for the ex-
pected ambient temperatures. Choosing an
oil viscosity other than that recommended
could cause serious engine damage.
ATI0507
Technical and consumer information10-5
ZX

AIR CONDITIONER SYSTEM
REFRIGERANT AND LUBRICANT
RECOMMENDATIONS
The air conditioner system in this NIS-
SAN vehicle must be charged with the
refrigerant HFC-134a (R-134a) and the
lubricant, NISSAN A/C system oil Type R
or the exact equivalents.
CAUTION
Use of any other refrigerant or lubricant
will cause severe damage and you will
need to replace your vehicle's entire air
conditioner system.
The refrigerant HFC-134a (R-134a) in your
NISSAN vehicle does not harm the earth's
ozone layer. Although this refrigerant does
not affect the earth's atmosphere, certain
government regulations require the recov-
ery and recycling of any refrigerant during
automotive air conditioner system service.
An authorized NISSAN dealer has the
trained technicians and equipment needed
to recover and recycle your air conditioner
system refrigerant.
Contact an authorized NISSAN dealer when
servicing your air conditioner system.
Technical and consumer information
10-7
ZX

cAlways block the wheels on both vehicle
and trailer when parking. Parking on a
slope is not recommended; however, if
you must do so, and if your vehicle is
equipped with an automatic transmis-
sion, first block the wheels and apply the
parking brake, and then move the shift
lever into the P position. If you move the
shift lever to the P position before block-
ing the wheels and applying the parking
brake, transmission damage could occur.
cWhen going down a hill, shift into a lower
gear and use the engine braking effect.
When ascending a long grade, downshift
the transmission to a lower gear and
reduce speed to reduce chances of en-
gine overloading and/or overheating.
cIf the engine coolant rises to an ex-
tremely high temperature when the air
conditioner system is on, turn off the air
conditioner. Coolant heat can be addi-
tionally vented by opening the windows,
switching the fan control to high and
setting the temperature control to the
HOT position.
cTrailer towing requires more fuel than
normal circumstances.cAvoid towing a trailer for the first 500
miles (800 km).
cHave your vehicle serviced more often
than at intervals specified in the recom-
mended Maintenance Schedule.
cWhen making a turn, your trailer wheels
will be closer to the inside of the turn than
your vehicle wheels. To compensate for
this, make a larger than normal turning
radius during the turn.
cCrosswinds and rough roads will ad-
versely affect vehicle/trailer handling,
possibly causing vehicle sway. When
being passed by larger vehicles, be pre-
pared for possible changes in crosswinds
that could affect vehicle handling. If
swaying does occur, firmly grip the steer-
ing wheel, steer straight ahead, and im-
mediately (but gradually) reduce vehicle
speed. This combination will help stabi-
lize the vehicle. Never increase speed.
cBe careful when passing other vehicles.
Passing while towing a trailer requires
considerably more distance than normal
passing. Remember the length of the
trailer must also pass the other vehicle
before you can safely change lanes.cTo maintain engine braking efficiency
and electrical charging performance, do
not use fifth gear (manual transmission)
or overdrive (automatic transmission).
cAvoid holding the brake pedal down too
long or too frequently. This could cause
the brakes to overheat, resulting in re-
duced braking efficiency.
When towing a trailer, change the trans-
mission fluid more frequently. For addi-
tional information see the ``Mainte-
nance'' section earlier in this manual.
Technical and consumer information
10-17
ZX

DOT (Department of Transportation) Qual-
ity Grades: All passenger car tires must
conform to federal safety requirements in
addition to these grades.
Treadwear
Treadwear grade is a comparative rating
based on tire wear rate when tested under
controlled conditions on specified govern-
ment test courses. For example, a tire
graded 150 would wear one and a half
(1-1/2) times as well on the government
course as a tire graded 100. However,
relative tire performance depends on actual
driving conditions, and may vary signifi-
cantly due to variations in driving habits,
service practices and differences in road
characteristics and climate.
Traction AA, A, B and C
The traction grades, from highest to lowest,
are AA, A, B, and C. Those grades repre-
sent the tire's ability to stop on wet pave-
ment as measured under controlled condi-
tions on specified government test surfaces
of asphalt and concrete. A tire marked C
may have poor traction performance.
WARNING
The traction grade assigned to your ve-
hicle's tires is based on straight-ahead
braking traction tests and does not in-
clude acceleration, cornering, hydro-
planing, or peak traction characteristics.
Temperature A, B and C
Temperature grades are A (the highest), B,
and C. They represent a tire's resistance to
heat build-up, and its ability to dissipate
heat when tested under controlled condi-
tions on a specified indoor laboratory test
wheel. Sustained high temperature can
cause tire material to degenerate, reducing
tire life. Excessive temperatures can lead to
sudden tire failure. Grade C corresponds to
a performance level which all passenger car
tires must meet under the Federal Motor
Vehicle Safety Standard No. 109. Grades A
and B represent higher levels of perfor-
mance on laboratory test wheels than the
minimum required by law.
WARNING
The temperature grade for this tire is
established for a tire that is properlyinflated and not overloaded. Excessive
speed, underinflation, or excessive
loading, either separately or in combi-
nation, can cause heat buildup and
possible tire failure.
UNIFORM TIRE QUALITY
GRADING
10-18Technical and consumer information
ZX

A Genuine Nissan Service Manual is the best
source of service and repair information for
your vehicle. Filled with wiring diagrams, illus-
trations and step-by-step diagnostic and ad-
justment procedures, this manual is the same
one used by the factory trained technicians
working at an authorized Nissan dealership.
Also available are Genuine NISSAN Owner's
Manuals.
For current pricing and availability of a Genu-
ine NISSAN Service Manual or a Genuine
NISSAN Owner's Manual, contact:
In the USA:
See an authorized NISSAN dealer or contact:
Dyment Distribution Services
20770 Westwood Dr.
Strongsville OH 44136
In a hurry? Call 1-800-247-5321 and charge
your purchase to Visa/Master Card.
In Canada:
To purchase a copy of a Genuine NISSAN
Service Manual or Owner's Manual please
contact your nearest NISSAN Dealer. For the
phone number and location of a NISSAN
Dealer in your area call the Nissan Satisfaction
Center at 1-800-387-0122 and a bilingual NIS-
SAN representative will assist you.
Also available are Genuine NISSAN Service
and Owner's Manuals for older Nissan models.
Technical and consumer information10-21
ZX

O
Octane rating (See fuel octane rating) ...... 10-3
Odometer ..................................................... 2-3
Oil
Capacities and recommended fuel/
lubricants .............................................. 10-2
Changing engine oil................................ 8-8
Changing engine oil filter........................ 8-9
Checking engine oil level ....................... 8-7
Engine oil ................................................ 8-7
Engine oil and oil filter
recommendation ................................... 10-5
Engine oil viscosity ............................... 10-5
Outside mirror control ................................ 3-13
Overdrive switch .......................................... 5-8
Overheat
If your vehicle overheats ........................ 6-9
Owner's manual/service manual order
forms ........................................................ 10-21
P
Parking
Parking brake check ............................. 8-18
Parking brake operation ....................... 5-11
Parking/parking on hills ........................ 5-15
Periodic maintenance schedules ................. 9-5
Power
Power antenna ..................................... 4-26
Power door lock...................................... 3-3Power steering fluid .............................. 8-11
Power steering system ......................... 5-16
Power support front seat ........................ 1-5
Power windows..................................... 2-17
Precautions
Maintenance precautions ....................... 8-2
Precautions on seat belt usage............ 1-14
Precautions when starting and driving ... 5-2
Push starting ................................................ 6-9
R
Radio
AM-FM radio with cassette player ........ 4-10
AM-FM radio with compact disc
player .................................................... 4-15
AM-FM radio with cassette player and
compact disc player ............................ 4-20
CB radio or car phone .......................... 4-27
Cassette tape operation ....................... 4-23
Compact disc (CD) player operation .... 4-25
Readiness for inspection maintenance
(I/M) test................................................... 10-20
Rear seat ..................................................... 1-6
Rear window defogger switch ................... 2-11
Registering your vehicle in another
country ..................................................... 10-10
Remote keyless entry system (See
multi-remote control system) ....................... 3-4
Reporting safety defects (USA) ............... 10-19S
Safety
Child safety rear door lock ..................... 3-4
Reporting safety defects (USA) .......... 10-19
Seat belt
2-point type without retractor
(rear center lap belt) ............................. 1-20
3-point type with retractor..................... 1-17
Precautions on seat belt usage............ 1-14
Seat belt extenders .............................. 1-22
Seat belt maintenance.......................... 1-22
Seat belts.............................................. 1-14
Shoulder belt height adjustment ........... 1-19
Seat belt warning light ................................. 2-6
Seats
Front seats.............................................. 1-2
Manual front seat adjustment ................. 1-3
Power support front seat ........................ 1-5
Rear seat ................................................ 1-6
Servicing air conditioner .............................. 4-9
Shifting
Automatic transmission .......................... 5-7
Manual transmission............................... 5-9
Shoulder belt height adjustment ................ 1-19
Spark plug replacement............................. 8-14
Speedometer ............................................... 2-3
Starting
Before starting the engine ...................... 5-5
Jump starting................................. 6-7, 8-13
Precautions when starting and driving ... 5-2
Push starting........................................... 6-9
11-4
ZX