1999 NISSAN SENTRA heater

If the cooling system frequently requires
coolant, have it checked by an autho-
rized NISSAN dealer.
CHANGING ENGINE COOLANT
cMajor cooling system repairs should be
performed by an authorized NISSAN
dealer. The service procedures can befound in an appropriate NISSAN Service
Manual.
cImproper servicing can result in reduced
heater performance and engine over-
heating.
WARNING
cTo avoid the danger of being
scalded, never change the coolant
when the engine is hot.
cNever remove the radiator cap when
the engine is hot. Serious burns
could be caused by high pressure
fluid escaping from the radiator.
DI1211M
8-6Do-it-yourself
ZX

1. Move the heater or air conditioner tem-
perature control dial to the maximum hot
position.
2. Open the radiator drain plug. Open the
drain plug on the engine block.3. Open the radiator cap to drain the cool-
ant.
4. Flush the cooling system by running
fresh water through the radiator.
5. Close the drain plugs on the radiator and
the engine block securely.
6. See the ``Technical and consumer infor-
mation'' section for cooling system ca-
pacity. Fill the radiator slowly with the
proper mixture of coolant and water. Fill
the reservoir tank up to the MAX level.
7. Open and close the air release plug(s) to
release air. Then fill the radiator again
and install the radiator cap.
8.
Start the engine, and warm it up until it
reaches normal operating temperature.
Then race the engine two or three times
under no load. Watch the engine coolant
temperature gauge for signs of overheating.
ADI0632
ADI0615
Do-it-yourself8-7
ZX

check for any loose wheel nuts. Tighten if
necessary.
Tire rotation* ÐTires should be rotated
every 7,500 miles (12,000 km).
Wheel alignment and balance ÐIf the
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* ÐCheck for
cracks or wear if they do not wipe properly.
Doors and hood ÐCheck that all doors
and the hood operate properly. Also ensure
that all latches lock securely. Lubricate
hinges, latches, rollers and links if neces-
sary. Make sure the secondary latch keeps
the hood from opening when the primary
latch is released.
When driving in areas that use road salt or
other corrosive materials, check lubrication
frequently.
Lights* ÐMake sure the headlights, stop
lights, tail lights, turn signal lights, and otherlights 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 chimes ÐMake sure
all warning lights and chimes are operating
properly.
Windshield wiper and washer* ÐCheck
that the wipers and washer operate properly
and that the wipers do not streak.
Windshield defroster ÐCheck that the air
comes out of the defroster outlets properly
and in sufficient quantity when operating the
heater or air conditioner.
Steering wheel ÐCheck for changes in
the steering conditions, such as excessive
freeplay, hard steering or strange noises.
Seats ÐCheck seat position controls such
as seat adjusters, seatback recliner, etc. toensure they operate smoothly and all
latches lock securely in every position.
Check that the head restraints move up and
down smoothly and the locks hold securely
in all latched positions.
Seat belts ÐCheck 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 pedal ÐCheck 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* ÐMake sure the pedal
operates smoothly and check that it has the
proper free travel.
Brakes ÐCheck that the brakes do not pull
the vehicle to one side when applied.
Brake pedal and booster* ÐCheck 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.
Maintenance
9-3
ZX

11 Index
A
Air bag (See supplemental restraint
system) ........................................................ 1-6
Air bag warning light .......................... 1-11, 2-6
Air cleaner housing filter ............................ 8-19
Air conditioner
Air conditioner operation ........................ 4-5
Air conditioner specification label ....... 10-12
Air conditioner system refrigerant and
lubrication recommendations ................ 10-7
Heater and air conditioner controls ........ 4-3
Servicing air conditioner ......................... 4-9
Air flow charts .............................................. 4-6
Alarm system (See theft warning) ............... 2-9
Anchor point locations ............................... 1-31
Anti-lock brake system (ABS).................... 5-18
Anti-lock brake warning light ....................... 2-7
Ashtray (See cigarette lighter and
ashtray) ...................................................... 2-14
Audio system
AM-FM radio with cassette player ........ 4-10
AM-FM radio with cassette player and
compact disc player.............................. 4-20
AM-FM radio with compact disc (CD)
player .................................................... 4-15Automatic
Automatic power window switch .......... 2-17
Automatic transmission fluid (ATF) ...... 8-11
Driving with automatic transmission ....... 5-6
Transmission selector lever lock
release .................................................... 5-5
B
Battery........................................................ 8-15
Battery
Charge warning light .............................. 2-5
Before starting the engine ........................... 5-5
Belts (See drive belts) ............................... 8-17
Brake
Anti-lock brake system (ABS) .............. 5-18
Brake booster ....................................... 8-23
Brake fluid............................................. 8-14
Brake light (See stop light) ................... 8-27
Brake pedal .......................................... 8-22
Brake system ........................................ 5-17
Brake warning light ................................. 2-7
Brake wear indicators ................... 2-8, 8-23
Parking brake check ............................. 8-22
Parking brake operation ....................... 5-12
Break-in schedule ...................................... 5-15
Bulb check/instrument panel ....................... 2-5C
Capacities and recommended fuel/
lubricants.................................................... 10-2
Cargo (See vehicle loading
information) .............................................. 10-13
Cassette player (See audio system) ......... 4-10
CB radio or car phone ............................... 4-27
Check engine indicator light
(See malfunction indicator light) .................. 2-8
Child restraints ................................. 1-15, 1-21
Child safety rear door lock .......................... 3-8
Cigarette lighter (accessory) and
ashtray ....................................................... 2-14
Cleaning exterior and interior ...................... 7-2
Clock ....................................... 4-11, 4-16, 4-21
Clutch
Clutch pedal.......................................... 8-24
Cold weather driving .................................. 5-19
Controls
Heater and air conditioner controls ........ 4-3
Coolant
Capacities and recommended fuel/
lubricants .............................................. 10-2
Changing engine coolant........................ 8-6
Checking engine coolant level ............... 8-5
Engine coolant temperature gauge ........ 2-3
ZX

Headlight and turn signal switch ............... 2-12
Headlights .................................................. 8-26
Heater
Heater and air conditioner controls ........ 4-3
Heater operation ..................................... 4-4
Hood release ............................................... 3-9
I
Ignition switch .............................................. 5-4
Increasing fuel economy............................ 5-15
Indicator lights and chimes (See warning/
indicator lights and chimes) ......................... 2-5
Inside mirror ............................................... 3-15
Instrument brightness control .................... 2-13
Interior light ................................................ 2-18
J
Jump starting ............................................... 6-8
K
Key ............................................................... 3-2
Keyless entry system (See multi-remote
control system) ............................................ 3-4L
Labels
Air conditioner specification label ....... 10-12
Emission control information label...... 10-12
Engine serial number ......................... 10-11
F.M.V.S.S. certification label .............. 10-11
Vehicle identification number (VIN)
plate .................................................... 10-10
Warning labels (for SRS) ..................... 1-11
License plate
Installing the license plate .................. 10-13
Light
Air bag warning light ..................... 1-11, 2-6
Brake light (See stop light) ................... 8-27
Bulb check/instrument panel .................. 2-5
Charge warning light .............................. 2-5
Front fog light switch ............................ 2-13
Headlight aiming adjustment ................ 8-27
Headlight and turn signal switch .......... 2-12
Headlights ............................................. 8-26
Interior light ........................................... 2-18
Light bulbs ............................................ 8-26
Trunk light ............................................. 2-19
Warning/indicator lights and chimes ...... 2-5
Lock
Child safety rear door lock ..................... 3-8
Door locks............................................... 3-2
Fuel filler lid lock opener lever ............. 3-12
Trunk lid lock opener lever ................... 3-10Luggage (See vehicle loading
information) .............................................. 10-13
M
Maintenance
General maintenance ............................. 9-2
Inside the vehicle.................................... 9-3
Maintenance precautions ....................... 8-2
Outside the vehicle ................................. 9-2
Periodic maintenance schedules ............ 9-5
Seat belt maintenance.......................... 1-21
Under the hood and vehicle ................... 9-4
Malfunction indicator lamp (MIL) ................. 2-8
Manual windows ........................................ 2-16
Meters and gauges ...................................... 2-2
Mirror
Inside mirror.......................................... 3-15
Outside mirror control ........................... 3-14
Vanity mirror ......................................... 3-15
Multi-remote control system ........................ 3-4
O
Octane rating (See fuel octane rating) ...... 10-3
Oil
Capacities and recommended fuel/
lubricants .............................................. 10-2
Changing engine oil................................ 8-9
Changing engine oil filter...................... 8-10
Checking engine oil level ....................... 8-8
11-3
ZX