check engine Hyundai Elantra 2004 Owner's Guide

6DO-IT-YOURSELF MAINTENANCE
12FILLING THE WASHER RESERVOIR
G090A01A-AAT
The washer fluid reservoir supplies fluid to the
windshield washer system.
A good quality washer fluid should be used to fill
the washer reservoir. The fluid level should be
checked more frequently during inclement
weather or whenever the washer system is in
more frequent use.
The capacity of the washer reservoir is 3.2 U.S.
quarts (3.0 Liters).
G090A01E
CHECKING THE TRANSAXLE OIL
CAUTION:
o Radiator anti-freeze (engine coolant)
should not be used in the washer system
because it will damage the car's finish.
o The washer lever should not be pulled
and the washer should not be operated
if the washer reservoir is empty. This can
damage the washer fluid pump.
!
G100A04A-AAT
MANUAL TRANSAXLE
Transaxle lubricant in the manual transaxle
should be checked at those intervals specified
in the vehicle maintenance schedule in Section
5.
Recommended Oil
Use only HYUNDAI GENUINE PARTS MTF
75W/90 (API GL-4) or equivalent in the manual
transaxle.
Manual Transaxle Oil Capacity
The oil capacity of the manual transaxle is 2.27
U.S. quarts (2.15 liters).
G100A01A
Drain plug Filler plug

6DO-IT-YOURSELF MAINTENANCE
13
G110A01E-AAT
AUTOMATIC TRANSAXLE
Transaxle fluid in the automatic transaxle should
be checked at those intervals specified in the
vehicle maintenance schedule in Section 5.
NOTE:Basically automatic transaxle fluid is red
color.
As driving distance increases, the fluid
color turns darkish red gradually.
It is normal condition and you should not
judge replacing by changing color.
You must replace the automatic transaxle
fluid in accordance with intervals specified
in the vehicle maintenances schedule in
section 5.
G100B02A-AAT
To Check the Manual Transaxle
Fluid Level
Park the car on level ground with the engine off.
1. Using a wrench of the correct size, loosen
the oil filler plug by turning it counterclock-
wise and remove it with your fingers.
2. Use your finger or suitable tool to feel inside
the hole. The oil level should be at its bottom
edge. If it is not, check for leaks before
adding oil. To refill the transaxle or bring the
oil level up,add oil slowly until it reaches the
proper level. Do not overfill.
3. Replace the plug and washer, screw it in with
your fingers and then tighten securely with
the wrench.
G100B01L
!WARNING:It is always better to check the transaxle oil
level when the engine is cool or cold. If the
engine is hot, you should exercise great
caution to avoid burning yourself on hot
engine or exhaust parts.

6DO-IT-YOURSELF MAINTENANCE
14
!
G110C01E-AATTransaxle Fluid Capacity
The fluid capacity of the automatic transaxle is
8.2 U.S. quarts (7.8 liters).
WARNING:The transaxle fluid level should be checked
when the engine is at normal operating
temperature. This means that the engine,
radiator, exhaust system etc., are very hot.
Exercise great care not to burn yourself
during this procedure.
G110B04A-AAT
Recommended Fluid
Your Hyundai automatic transaxle is specially
designed to operate with HYUNDAI GENUINE
ATF, DIAMOND ATF SP-III or SK ATF SP-III.
Damage caused by a nonspecified fluid is not
covered by your new vehicle limited warranty.
G110D01E-AAT
To Check the Transaxle Fluid Level
Park the car on level ground with the parking
brake engaged. When the transaxle fluid level
is checked, the transaxle fluid should be at
normal operating temperature and the engine
idling.
C090A01E-MWhile the engine is idling, apply the brakes and
move the gear selector lever from "P" to each
of its other positions -- "R", "N", "D","3", "2", "L"
-- and then return to "N" or "P" with the engine
still idling:
1. Open the hood, being careful to keep hands,
hair and clothing clear of any moving parts.
2. Remove the transaxle dipstick, wipe it clean,
reinsert the dipstick as far as it will go, then
remove it again. Now check the fluid level on
the dipstick. It should be in the "HOT" range
on the dipstick.
G110D01E

6DO-IT-YOURSELF MAINTENANCE
15CHECKING THE BRAKES
G120D01A-AATTo Check the Fluid Level
The fluid level in the brake fluid reservoir should
be checked periodically. The level should be
between the "MIN" and "MAX" marks on the side
of the reservoir. If the level is at or below the
"MIN" mark, carefully add fluid to bring it up to
"MAX". Do not overfill.
!
G120C02A-AAT
Recommended Brake Fluid
Use only hydraulic brake fluid conforming to
DOT 3 or DOT 4 specifications in your braking
system. Follow the instructions printed on the
container.
G120B01A-AATChecking the Brake Fluid Level
G120A01A-AAT
CAUTION:Because brakes are essential to the safe
operation of the car, it is suggested that
they be checked and inspected by your
Hyundai dealer. The brakes should be
checked and inspected for wear at those
intervals specified in the vehicle mainte-
nance schedule in Section 5.
WARNING:Use caution when handling brake fluid. It
can damage your vision if it gets into your
eyes. It will also damage your vehicle's
paint if spilled on it and not removed imme-
diately.
!
!
3. If the transaxle fluid level is low, use a funnel
to add transaxle fluid through the dipstick
tube until the level reaches the "HOT" range.
Do not overfill.
WARNING:The cooling fan is controlled by the engine
coolant temperature and may sometimes
operate even when the engine is not run-
ning. Use extreme caution when working
near the blades of the cooling fan, so that
you are not injured by a rotating fan blade.
As the engine coolant temperature de-
creases, the fan will automatically shut off.
This is a normal condition.
HKSOM120
Fluid level should be within this range

6DO-IT-YOURSELF MAINTENANCE
17AIR CONDITIONING CARE
G140A01A-AAT
Keeping the Condenser Clean
The air conditioning condenser (and engine
radiator) should be checked periodically for
accumulation of dirt, dead insects, leaves, etc.
These can interfere with maximum cooling ef-
ficiency. When removing such accumulations,
brush or hose them away carefully to avoid
bending the cooling fans.
!
G140C01A-AAT
Lubrication
To lubricate the compressor and the seals in the
system, the air conditioning should be run for at
least 10 minutes each week. This is particularly
important during cool weather when the air
conditioning system is not otherwise in use.
G140B01A-AAT
Checking the Air Conditioning
Operation
1. Start the engine and let it run at a fast idle for
several minutes with the air conditioning set
at the maximum cold setting.
2. If the air coming out of the in-dash vents is
not cold, have the air conditioning system
inspected by your Hyundai dealer.
CAUTION:Running the air conditioning system for
extended periods of time with a low refrig-
erant level may damage the compressor.!
G130B02A-AAT
To Replace the Fluid
Recommended brake fluid conforming to DOT
3 or DOT 4 specification should be used. The
reservoir cap must be fully tightened to avoid
contamination from foreign matter or moisture.
NOTE:Do not allow any other liquids to contami-
nate the brake fluid. Seal damage will result.
WARNING:Use caution when handling brake fluid. It
can damage your vision if you get it in your
eyes. It will also damage your vehicle's
paint if spilled on it and not removed imme-
diately.

6DO-IT-YOURSELF MAINTENANCE
18
CRANK PULLEYG140D01A
A/C
TENSION PULLEY
When the air conditioning is being used regu-
larly, the compressor drive belt tension should
be checked at least once a month with the
engine turned off.
To check the drive belt tension, press down on
the belt halfway between the engine crankshaft
and compressor pulleys. Pressing with your
finger, you should not be able to deflect this belt
anymore than 1/3 of an inch. If you have the
instruments to check it, with a force of 22 lb.
(98N), the deflection should be 0.315 inches
(approx 8.0 mm). If the belt is too loose, have it
adjusted by your Hyundai dealer.
G140D01A-AAT
Checking the Compressor Drive Belt
0.315 in. (8 mm)
CHANGING THE AIR FILTER
HXD2096 B140E01E-AAT
(For Evaporator and Blower Unit)
(If Installed)
The air filter is located in front of the evaporator
unit behind the glove box.
It helps to decrease pollutants from entering the
car and to filter the air.
2. Remove the mounting bolts with the socket
wrench, and then detach the mounting
bracket.
1. Open the glove box and remove the adjust-
ing pins on both sides of the glove box.
HXD2097
HXD2098

6DO-IT-YOURSELF MAINTENANCE
19
G150A02E
CHECKING THE FREEPLAY
G160A01A-AAT
Clutch Pedal
With the engine off, press lightly on the clutch
pedal until you feel a change in resistance. This
is the clutch pedal free-play. The free-play
should be within the limits specified in the illus-
tration. If it is not, have it inspected by your
Hyundai dealer and adjusted or repaired if
necessary.
G160A01E
0.24 ~ 0.51 in.
(6 ~ 13 mm)
G150A01A-AAT
Steering wheel
To check the steering wheel free-play, stop the
car with the wheels pointed straight ahead and
gently move the steering wheel back and forth.
Use very light finger pressure and be sensitive
to changes in resistance that mark the limits of
the free-play. If the free-play is greater than
specified, have it inspected by your Hyundai
dealer and adjusted or repaired if necessary.1.18 in.
(30 mm)
4. Replace the air filter with a new one.
5. Installation is the reverse order of disassem-
bly.
!
3. Remove the filter cover by pushing the two
hooks of the filter cover.
CAUTION:Be sure to install the air filter in the direction
of the arrow sign. Otherwise, it may cause
noise or deterioration.
HXD2099

6DO-IT-YOURSELF MAINTENANCE
20
HTB186
G170A01A-AAT
Brake Pedal
With the engine off, press down on the brake
pedal several times to reduce the vacuum in the
brake booster.
Then, using your hand, press down slowly on
the brake pedal until you feel a change in
resistance. This is the brake pedal freeplay.
The freeplay should be within the limits specified
in the illustration. If it is not, have it inspected by
your Hyundai dealer and adjusted or repaired if
necessary.
HXGS508
0.12 ~ 0.31 in.
(3 ~ 8 mm)
CHECKING DRIVE BELTS
G180A01A-AAT
CHECKING BRAKE PEDAL
CLEARANCE
You need a helper to check the brake pedal
clearance. With the engine running, have your
helper press down on the brake pedal several
times and then hold it down with a force of about
110 lbs (50 kg, 490 N). The brake pedal clear-
ance is the distance from the top surface of the
brake pedal to the asphalt sheeting under the
floor mat.
If the brake pedal clearance is not within the
limits specified in the illustration, have it in-
spected by your Hyundai dealer and adjusted
or repaired if necessary.
G180A01L
1.78 in. (45.1 mm)
Drive belts should be checked periodically for
proper tension and adjusted if necessary. At the
same time, belts should be examined for cracks,
wear, fraying or other evidence of deterioration
and replaced if necessary.
Belt routing should also be checked to be sure
there is no interference between the belts and
other parts of the engine. After a belt is replaced,
the new belt should be adjusted again after two
or three weeks to eliminate slack resulting from
initial stretching after use.
G190A01A-AAT
Water Pump Pulley
Generator
Pulley
Crankshaft Pulley0.2 ~ 0.24 in.
(5.1 ~ 6 mm)

6DO-IT-YOURSELF MAINTENANCE
23CHECKING ELECTRIC COOLING
FANS
!
!
G220B01A-AATChecking Engine Cooling Fan
The engine cooling fan should come on auto-
matically if the engine coolant temperature is
high.
G220A01A-AAT
G220C01A-AAT
Checking Condenser Cooling Fan
The condenser coolant fan should come on
automatically whenever the air conditioning is in
operation.
WARNING:The cooling fan is controlled by engine
coolant temperature and may sometimes
operate even when the engine is not run-
ning. Use extreme caution when working
near the blades of the coolant fan, so that
you are not injured by a rotating fan blade.
As the engine coolant temperature de-
creases the fan will automatically shut off.
This is a normal condition.
G210B02A-AAT
Checking the Battery
Keep the battery clean. Any evidence of corro-
sion around the battery posts or terminals
should be removed using a solution of house-
hold baking soda and warm water. After the
battery terminals are dry, cover them with a light
coating of grease.
PROPOSITION 65 WARNING:Battery posts, terminals, and related acces-
sories contain lead and lead compounds,
chemicals known to the state of California
to cause cancer and reproductive harm.
Wash hands after handling. o If battery fluid is on your skin, flush the
affected areas with water for at least 15
minutes and then seek medical assistance.
o If battery fluid is in your eyes, rinse out your
eyes with water and get medical assistance
as soon as possible. While you are being
driven to get medical assistance, continue to
rinse your eyes by using a sponge or soft
cloth saturated with water.
o If you swallow battery fluid, drink a large
quantity of water or milk followed by milk of
magnesia, eat a raw egg or drink vegetable
oil. Get medical assistance as soon as
possible.
While batteries are being charged (either by a
battery charger or by the vehicle's generator),
they produce explosive gases. Always ob-
serve these warnings to prevent injuries from
occurring:
o Charge batteries only in a well ventilated
area.
o Do not permit flames, sparks or smoking in
the area.
o Keep children away from the area.

6DO-IT-YOURSELF MAINTENANCE
24POWER STEERING FLUID LEVEL
G230A03A-AAT
The power steering fluid level should be checked
regularly. To check the power steering fluid
level, be sure the engine is "OFF", then check
to make certain that the power steering fluid
level is between the "MAX" and "MIN" level
markings on the fluid reservoir.
NOTE:Grinding noise from the power steering
pump may be heard immediately after the
engine is started in extremely cold condi-
tions (below - 4°F). If the noise stops during
warm up, there is no abnormal function in
the system. It is due to a power steering
fluid characteristic in extremely cold condi-
tions.
G230A01E
HEADLIGHT AIMING ADJUSTMENT
G250A01A-AATFOR MORE INFORMATION ABOUT
YOUR HYUNDAI
If you desire additional information about main-
taining and servicing your Hyundai, you may
purchase a factory Shop Manual at your Hyundai
dealer's parts department. This is the same
manual used by dealership technicians and
while it is highly technical it can be useful in
obtaining a better understanding of your car and
how it works.
G240A01A-AATPOWER STEERING HOSES
It is suggested that you check the power steer-
ing hose connections for fluid leakage at regular
intervals. The power steering hoses should be
replaced if there is severe surface cracking,
scuffing or worn spots. Deterioration of the hose
could cause premature failure.
Recommended FluidUse PSF-3 type fluid
NOTE:Do not start the engine when the power
steering oil reservoir is empty.
G290A03E-AATBefore performing aiming adjustment, make
sure of the following.
1. Keep all tires inflated to the correct pressure.
2. Place the vehicle on level ground and press
the front bumper & rear bumper down sev-
eral times. Place the vehicle at a distance of
118 in. (3,000 mm) from the test wall.
3. See that the vehicle is unloaded (except for
full levels of coolant, engine oil and fuel, and
spare tire, jack, and tools). Have the driver
or equivalent weight placed in driver's seat.
4. Clean the head light lenses and turn on the
headlights (Low beam).
Vertical
Aiming
G290A02E-A