1998 NISSAN PATHFINDER engine

sure no nuts are missing, and check for any
loose nuts. Tighten if necessary.
Tire rotation*Tires should be rotated every
7,500 miles (12,000 km) for 2WD vehicles and
3,750 miles (6,000 km) for 4WD vehicles.
However, the timing for tire rotation may vary
according to your driving habits and road sur-
face conditions.
Wheel alignment and balanceIf the vehicle
should pull to either side while driving on a
straight and level road, or if you detect uneven
or abnormal tire wear, there may be a need for
wheel alignment.
If the steering wheel or seat vibrates at normal
highway speeds, wheel balancing may be
needed.
Windshield wiper blades*Check for cracks
or wear if they do not wipe properly.
Doors and engine hoodCheck that all doors
and the engine hood, operate properly. Also
ensure that all latches lock securely. Lubricate
hinges, latches, rollers and links if necessary.
Make sure that the secondary latch keeps the
hood from opening when the primary latch is
released.
When driving in areas using road salt or othercorrosive materials, check lubrication fre-
quently.
Inside the vehicleThe maintenance items listed here should be
checked on a regular basis, such as when
performing periodic maintenance, cleaning the
vehicle, etc.
Lights*Make sure that the headlights, stop
lights, tail lights, turn signal lights, and other
lights are all operating properly and installed
securely. Also check headlight aim.
Warning lights and buzzers/chimesMake
sure that all warning lights and buzzers/chimes
are operating properly.
Windshield wiper and washer*Check that
the wipers and washer operate properly and
that the wipers do not streak.
Windshield defrosterCheck that the air
comes out of the defroster outlets properly and
in sufficient quantity when operating the heater
or air conditioner.
Steering wheelCheck for changes in the
steering conditions, such as excessive free-
play, hard steering or strange noises.
SeatsCheck seat position controls such asseat adjusters, seatback recliner, etc. to en-
sure they operate smoothly and that all latches
lock securely in every position. Check that the
head restraints move up and down smoothly
and that the locks (if so equipped) hold se-
curely in all latched positions.
Seat beltsCheck that all parts of the seat belt
system (e.g. buckles, anchors, adjusters and
retractors) operate properly and smoothly, and
are installed securely. Check the belt webbing
for cuts, fraying, wear or damage.
Accelerator pedalCheck the pedal for
smooth operation and make sure the pedal
does not catch or require uneven effort. Keep
the floor mats away from the pedal.
Clutch pedal*Make sure the pedal operates
smoothly and check that it has the proper free
travel.
BrakesCheck that the brakes do not pull the
vehicle to one side when applied.
Brake pedal and booster*Check the pedal
for smooth operation and make sure it has the
proper distance under it when depressed fully.
Check the brake booster function. Be certain
to keep floormats away from the pedal.
Maintenance
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Parking brake*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.
Automatic transmission P position mecha-
nismOn a fairly steep hill check that your
vehicle is held securely with the selector lever
in the P position without applying any brakes.Under the hood and vehicleThe maintenance items listed here should be
checked periodically e.g. each time you check
the engine oil or refuel.
Windshield washer fluid*Check that there is
adequate fluid in the tank.
Engine coolant level*Check the coolant level
when the engine is cold.
Radiator and hosesCheck the front of the
radiator and clean off any dirt, insects, leaves,
etc., that may have accumulated. Make sure
the hoses have no cracks, deformation, rot or
loose connections.
Brake and clutch fluid levels*Make sure that
the brake and clutch fluid level is between the
MAX and MIN lines on the reservoir.
Battery*Check the fluid level in each cell. Itshould be between the MAX and MIN lines.
Engine drive belts*Make sure that no belt is
frayed, worn, cracked or oily.
Engine oil level*Check the level after parking
the vehicle on a level spot and turning off the
engine. (Be sure to wait a few minutes to allow
the oil to drain back into the sump.)
Power steering fluid level* and linesCheck
the level when the fluid is cold and the engine
is turned off. Check the lines for proper attach-
ment, leaks, cracks, etc.
Automatic transmission fluid level*Check
the level after putting the selector lever in P
(Park) with the engine idling.
Exhaust systemMake sure there are no
loose supports, cracks or holes. If the sound of
the exhaust seems unusual or there is a smell
of exhaust fumes, immediately locate the
trouble and correct it. See ªPrecautions when
starting and drivingº in the ª5. Starting and
drivingº section for exhaust gas (carbon mon-
oxide).
UnderbodyThe underbody is frequently ex-
posed to corrosive substances such as those
used on icy roads or to control dust. It is veryimportant to remove these substances, other-
wise rust will form on the floor pan, frame, fuel
lines and around the exhaust system. At the
end of winter, the underbody should be thor-
oughly flushed with plain water, being careful
to clean those areas where mud and dirt may
accumulate. For additional information, see
ªCleaning exteriorº in the ª7. Appearance and
careº section.
Fluid leaksCheck under the vehicle for fuel,
oil, water or other fluid leaks after the vehicle
has been parked for a while. Water dripping
from the air conditioner after use is normal. If
you should notice any leaks or if gasoline
fumes are evident, check for the cause and
have it corrected immediately.9-4
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SCHEDULE 1Abbreviations: R = Replace I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals onlyMAINTENANCE OPERATIONMAINTENANCE INTERVAL
Perform at number of miles, kilometers or
months, whichever comes first.Miles´1,000 3.75 7.5 11.25 15 18.75 22.5 26.25 30 33.75 37.5 41.25 45 48.75 52.5 56.25 60
(km´1,000) (6) (12) (18) (24) (30) (36) (42) (48) (54) (60) (66) (72) (78) (84) (90) (96)
Months 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48
Emission control system maintenance
Drive beltsI* I*
Air cleaner filter See NOTE (1) [R] [R]
EVAP vapor linesI* I*
Fuel linesI* I*
Fuel filter See NOTE (2)*
Engine coolant See NOTE (3)R*
Engine oilRRRRRRRRRRRRRRRR
Engine oil filter
(Use Part No. 15208 31U00 or equivalent.)RRRRRRRRRRRRRRRR
Spark plugs[R] [R]
Timing beltReplace every 105,000 miles (168,000 km)NOTE: (1) If operating mainly in dusty conditions, more frequent maintenance may be required.
(2) If vehicle is operated under extremely adverse weather conditions or in areas where ambient temperatures are either extremely low or
extremely high, the filters might become clogged. In such an event, replace them immediately.
(3) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
(4) Maintenance items and intervals with ª*º are recommended by NISSAN for reliable vehicle operation. The owner need not perform such
maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and intervals are required.9-6
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SCHEDULE 2Abbreviations: R = Replace I = Inspect. Correct or replace if necessary. [ ]: At the mileage intervals onlyMAINTENANCE OPERATIONMAINTENANCE INTERVAL
Perform at number of miles, kilometers or
months, whichever comes first.Miles´1,000 7.5 15 22.5 30 37.5 45 52.5 60
(km´1,000) (12) (24) (36) (48) (60) (72) (84) (96)
Months 6 12 18 24 30 36 42 48
Emission control system maintenance
Drive beltsI* I*
Air cleaner filter[R] [R]
EVAP vapor linesI* I*
Fuel linesI* I*
Fuel filter See NOTE (1)*
Engine coolant See NOTE (2)R*
Engine oilRRRRRRRR
Engine oil filter (Use Part No. 15208 31U00 or equivalent.)RRRRRRRR
Spark plugs[R] [R]
Timing beltReplace every 105,000 miles (168,000 km)
NOTE: (1) If vehicle is operated under extremely adverse weather conditions or in areas where ambient temperatures are either extremely low or
extremely high, the filters might become clogged. In such an event, replace them immediately.
(2) After 60,000 miles (96,000 km) or 48 months, replace every 30,000 miles (48,000 km) or 24 months.
(3) Maintenance items and intervals with ª*º are recommended by NISSAN for reliable vehicle operation. The owner need not perform such
maintenance in order to maintain the emission warranty or manufacturer recall liability. Other maintenance items and intervals are required.9-8
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EXPLANATION OF MAINTENANCE
ITEMSAdditional information on the following
items with * is found in the ª8. Do-it-
yourselfº section.Emission control system
maintenanceDrive belts*Check drive belts for wear, fray-
ing or cracking and also for proper tension.
Replace the drive belts if found damaged.
Air cleaner filterUnder normal driving condi-
tions, the air cleaner filter should be replaced
in accordance with the maintenance schedule.
However, driving the vehicle in dusty areas
may cause more rapid clogging of the element.
Consequently, the element may have to be
replaced more frequently.
Vapor linesCheck vapor lines and connec-
tions for failure or looseness. If leaks are
found, replace the lines.
Fuel linesCheck the fuel hoses, piping and
connections for leaks, looseness or deteriora-
tion. Replace any parts if they are damaged.
Fuel filterIf the vehicle is operated underextremely adverse weather conditions or in
areas where ambient temperatures are either
extremely low or extremely high, the filter
might become clogged. In such an event,
replace the filter immediately.
Engine coolant*Flush and refill the cooling
system.
Engine oil & oil filter*Under normal driving
conditions, the engine oil and oil filter should
be replaced in accordance with the mainte-
nance schedule. However, under severe driv-
ing conditions, they may have to be replaced
more frequently.
Spark plugs*Replace with new plugs having
the correct heat range.
Timing belt
Replace the timing belt for driving the cam-
shafts.
Chassis and body maintenanceBrake lines & cablesCheck the brake lines
and hoses (including brake booster vacuum
hoses, connections & check valve) and park-
ing brake cables for proper attachment, leaks,
cracks, chafing, abrasion, deterioration, etc.Brake pads, discs, drums & liningsCheck
these and the other neighboring brake compo-
nents for wear, deterioration and leaks. Under
severe driving conditions, they may have to be
inspected more frequently.
Manual and automatic transmission, trans-
fer & differential gear oilVisually inspect for
signs of leakage and replace oil for limited-slip
differential. Under severe driving conditions,
the oil should be replaced at the specified
interval.
Steering gear & linkage, axle & suspension
parts & drive axle shaft bootsCheck for
damage, looseness and leakage of oil or
grease. Under severe driving conditions, more
frequent inspection should be performed.
Steering linkage ball joints & front suspen-
sion ball jointsCheck the ball joints for dam-
age, looseness and grease leakage. Under
severe driving conditions, more frequent in-
spection should be performed.
Propeller shaft(s)Check the propeller
shaft(s) for damage, looseness and grease
leakage under severe driving condition
(
only).
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The following values are approximate capacities. The actual refill capacities may be a little different from them. When refilling, follow the
procedure instructed in the ª8. Do-it-yourselfº section to determine the proper refill capacity.
Capacity (Approximate)
Recommended specifications
US
measureImp
measureLiter
Fuel 21-1/8 gal 17-5/8 gal 80Unleaded gasoline with an octane rating
of at least 87 AKI (RON 91)*1
Engine oil (Refill)
with oil filter 3-7/8 qt 3-1/4 qt 3.7IAPI SG or SH and Energy Conserving
II*2 *3
IAPI Certification Mark*2 *3 without oil filter 3-5/8 qt 3 qt 3.4
Cooling system
(with heater and
reservoir tank)11-1/4 qt 9-3/8 qt 10.6Anti-freeze coolant
(Ethylene glycol base)
*1: See later in this section for fuel recommendation.
*2: See later in this section for recommended SAE viscosity number.
*3: See later in this section for engine oil and oil filter recommendation.CAPACITIES AND
RECOMMENDED
FUEL/LUBRICANTS10-2
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FUEL RECOMMENDATIONYour vehicle is designed to operate on
unleaded gasoline with an octane rating of
at least 87 AKI (Anti-Knock Index) number
(Research octane number 91).Using a fuel other than that specified
could adversely affect the emission con-
trol devices and systems, and could
also affect the warranty coverage.
Under no circumstances should a
leaded gasoline be used since this will
damage the three way catalyst.Reformulated gasolineSome fuel suppliers are now producing refor-
mulated gasolines. These gasolines are spe-
cially designed to reduce vehicle emissions.
NISSAN supports efforts towards cleaner air
and suggest that you use reformulated gaso-
line when available.Gasoline containing oxygenatesSome fuel suppliers sell gasoline containing
oxygenates such as ethanol, MTBE andmethanol with or without advertising their pres-
ence. Nissan does not recommend the use of
fuels of which the oxygenate content and the
fuel compatibility for your Nissan cannot be
readily determined.
If you use oxygenate-blend gasoline, please
take the following precautions as the usage of
such fuels may cause vehicle performance
problems and/or fuel system damage.
IThe fuel should be unleaded and have
an octane rating no lower than that rec-
ommended for unleaded gasoline.
IIf an oxygenate-blend, excepting a
methanol blend, is used, it should con-
tain no more than 10% oxygenate.
(MTBE may, however, be added up to
15%.)
IIf a methanol blend is used, it should
contain no more than 5% methanol (me-
thyl alcohol, wood alcohol). It should
also contain a suitable amount of appro-
priate cosolvents and corrosion inhibi-
tors. If not properly formulated with ap-
propriate cosolvents and corrosion
inhibitors, such methanol blends may
cause fuel system damage and/or ve-
hicle performance problems. At this
time, sufficient data is not available to
ensure that all methanol blends are suit-able for use in Nissan vehicles.
If any undesirable driveability problems such
as engine stalling and hard hot starting are
experienced after using oxygenate-blend fu-
els, immediately change to a non-oxygenate
fuel or a fuel with a low blend of MTBE.
Take care not to spill gasoline during refu-
eling. Gasoline containing oxygenates can
cause paint damage.
After market fuel additivesNISSAN does not recommend the use of any
fuel additives (i.e.: fuel injector cleaner, octane
booster, intake valve deposit removers, etc.)
which are sold commercially. Many of these
additives intended for gum, varnish or deposit
removal may contain active solvents or similar
ingredients that can be harmful to the fuel
system and engine.Octane rating tipsIn most parts of North America, you should use
unleaded gasoline with an octane rating of at
least 87 AKI (Anti-Knock Index) number. How-
ever, you may use unleaded gasoline with an
octane rating as low as 85 AKI (Anti-Knock
Index) number in these high altitude areas
[over 4,000 ft (1,219 m)] such as: Colorado,
Montana, New Mexico, Utah, Wyoming, north-
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eastern Nevada, southern Idaho, western
South Dakota, western Nebraska, and that
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 se-
vere, 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 your dealer correct the condi-
tion. Failure to correct the condition is
misuse of the vehicle, for which NISSAN is
not responsible.
Incorrect ignition timing will result in knocking,
after-run or overheating. This in turn may
cause excessive fuel consumption or damage
to the engine. If any of the above symptoms
are encountered, have your vehicle checked at
a 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 thegreatest fuel benefit when there is light
spark knock for a short time.
Technical and consumer information
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