engine oil Hyundai Sonata 2003 Owner's Guide

DO-IT-YOURSELF MAINTENANCE 6- 21
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 Fluid
Use PSF-3 type fluid
NOTE:Do not start the engine when the power
steering oil reservoir is empty.
G260A02A-AATREPLACING HEADLIGHT BULBS
Before attempting to replace a headlight bulb, be
sure the switch is turned to the "OFF" position.
The next paragraph shows how to reach head-
light bulbs so they may be changed. Be sure to
replace the burned-out bulb with one of the
same number and wattage rating.
!CAUTION:Keep the lamps out of contact with petro-
leum products such as oil, gasoline etc.
G270A03Y-AAT
Headlight Bulb
1. Allow the bulb to cool. Wear eye protection.
2. Always grasp the bulb by its plastic base,
avoid touching the glass.
G270A03Y
HEF-224
HEF-228
3. Turn the plastic cover counterclockwise
and remove it. High Beam
Low Beam
High BeamLow Beam
Turn signal Light

6- 26 DO-IT-YOURSELF MAINTENANCE
!
G290A05Y-AATHEADLIGHT AIMING ADJUSTMENT
Before 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 vehicle at a distance of 118
in. (3m) 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).
4. Clean the head light lenses and turn on the
headlights (Low beam).
5. Open the hood.
6. Draw the vertical line (through the center of
each headlight beam pattern) and the hori-
zontal line (through the center of each head-
light beam pattern) on the aiming screen.And then, draw the parallel line at 0.827 in. (21
mm) under the horizontal line.
7. Adjust each cut-off line of the low beam to the
parallel line with a phillips screwdriver -
VERTICAL AIMING
WARNING:Horizontal aiming should be adjusted by an
authorized Hyundai Dealer.
G290A03Y
G270H01Y-GATLicense plate Light
1. Reomove the cover with a (+) driver.
2. Replace to the new bulb.
HEF-235
HEF-236
Vertical
aiming

DO-IT-YOURSELF MAINTENANCE 6- 29
G200C03Y-GATJUNCTION BOX DESCRIPTION
Under hood junction box
Note:
Not all junction box description in this manual may be applicable to
your vehicle. It is accurate at the time of printing. When you inspect the
junction box on your vehicle, refer to the junction box label
DESCRIPTION
COND FAN
PWR WIND
ABS 2
IGN SW-1
ABS 1
IGN SW-2
RAD FAN MTR
FUEL PUMP
HD LP LO
ABS
INJECTOR
A/C COMPR
ATM RLY
ECU RLY
IG COIL
O2 SNSR
ECU
HORN
HEAD LP HI
HEAD LP WASH
DRL
FR FOG
HEAD LP LO RH
DIODE-1
SPARE
SPARE
SPARE
SPARE
DIODE-2
BLOWER
PWR FUSE-2
PWR AMP
SUNROOF
TAIL LP
PWR FUSE-1
ECU
RR HTDFUSE RATING
20A
40A
20A
30A
40A
30A
30A
20A
15A
10A
10A
10A
20A
30A
20A
15A
15A
10A
15A
20A
15A
15A
15A
-
30A
20A
15A
10A
-
30A
30A
20A
15A
20A
30A
10A
30APROTECTED COMPONENTS
Condenser fan
Power window
ABS
Ignition switch
ABS
Ignition switch
Radiator fan motor
Fuel pump
Headlights (LO)
ABS
Injector
Air-con compressor
ATM Relay
Engine control unit relay
Ignition coil
Oxygen sensor
Engine control unit
Horn
Headlights (HI)
-
DRL
Front fog lights
Headlight (Low)
Diode 1
Spare fuse
Spare fuse
Spare fuse
Spare fuse
Diode 2
Blower
Power fuse 2
Power amp
Sunroof
Tail lights
Power fuse 1
ECU
Rear window defroster
HEF-165C

VEHICLE SPECIFICATIONS 9- 3
J070A03Y-AATENGINE
ITEMS
Engine Type
Bore x Stroke. in. (mm)
Displacement. cc
Firing order
Spark plugType
Gap
Oil pan capacity us.qt. (lmp.qt., liter)
Oil filter capacity us.qt. (lmp.qt., liter)
Idle speed (rpm)
Ignition timing (Base)
Oil grade (API)2.4L (DOHC)
4-Cyl., In-line DOHC
3.41x 3.94 (86.5 x 100)
2,351
1 - 3 - 4 - 2
CHAMPION : RN10PYP4
NGK : PGR5C-11
4.2 (3.5, 4.0)
0.31 (0.26, 0.3)
700 ± 100
BTDC 5° ± 2°2.7L (V6)
6-Cyl., V-type DOHC
3.41 x 2.95 (86.7 x 75.0)
2,656
1 - 2 - 3 - 4 - 5 - 6
CHAMPION : RC10PYPB4
NGK : PFR5N-11
4.4 (3.68, 4.2)
0.31 (0.26, 0.3)
700 ± 100
BTDC 12° ± 5°
SPECIFICATIONS
0.039 - 0.043 in. (1.0 - 1.1 mm)
SH, SG or SG/CD and ABOVE multigrade and fuel-efficient oil

9- 4 VEHICLE SPECIFICATIONS
J080A09Y-AATLUBRICATION CHART
API SH, Hot Climate: SAE 20W-40, 20W-50 (ABOVE 32°F OR 0°C)
SG or Normal Climate:SAE 10W-30 10W-40, 10W-50 (ABOVE -10°F OR -23°C)
SG/CD Cold Climate:SAE 5W-30 5W-40 (BELOW 100°F OR 38°C)
Hyundai Genuine Parts MTF 75W/90 (API GL-4)
HYUNDAI GENUINE ATF, DIAMOND ATF SP-III or SK ATF SP-III
Ethylene glycol base for aluminum radiator
PSF-3 type fluid
DOT 3 or DOT 4 Equivalent Engine
TransaxleManual
Auto
Coolant
Power steering
Brakes and clutch fluid
Quantity (us.qts) (lmp.qts, liter)
2.2 (1.8, 2.1)
8.2 (6.9, 7.8)
0.95 (0.9)
As requiredItem
Oil & Coolant Standard2.4L 2.7L (V6)
Drain & refill;
Without oil filter :
4.2 (3.5, 4.0)
With oil filter :
4.5 (3.76, 4.3)Drain & refill;
Without oil filter :
4.45 (3.69, 4.2)
With oil filter :
4.77 (3.96, 4.5)
7.7 (6.4, 7.3)9.0 (7.6, 8.6)

INDEX 10- 3
E
Emission Control System ................................................................... 7-2
Engine
Before starting the engine .............................................................. 2-3
Compartment (2.4 DOHC) ............................................................ 6-2
Compartment (2.7 V6) ................................................................... 6-3
Coolant ........................................................................................... 6-7
Coolant temperature gauge .........................................................1-38
If the engine overheats .................................................................. 3-3
Number........................................................................................... 8-2
Oil .................................................................................................... 6-5
Starting ........................................................................................... 2-4
Engine Exhaust Can Be Dangerous .................................................. 2-2
F
Fan Speed Control ............................................................................1-66
Floor Mat Anchor ..............................................................................1-62
Fog Light
Front.............................................................................................1-42
Front Seats
Adjustable front seats ..................................................................1-10
Adjustable headrests ...................................................................1-11
Adjusting seat forward and rearward ..........................................1-10
Adjusting seatback angle .............................................................1-11
Fuel
Capacity......................................................................................... 9-2
Gauge...........................................................................................1-38
Unleaded gasoline .......................................................................... 1-2
Fuel Filler Lid
Remote release ............................................................................1-58
Fuses................................................................................................6-18G
General Everyday Checks ................................................................. 6-4
Glove Box ..........................................................................................1-50
H
Hazard Warning System ..................................................................1-44
Headlight .................................................................................. 1-41, 6-21
Heating and Cooling Control
Rotary and push Button type .......................................................1-65
Automatic type .............................................................................1-72
Heating and Ventilation
Air flow control ..............................................................................1-67
Temperature control ....................................................................1-66
High-Mounted Rear Stop Light .........................................................1-58
Homelink Mirror .................................................................................1-53
Hood Release ....................................................................................1-59
Horn...................................................................................................1-60
I
Ignition Switch ...................................................................................... 2-3
Instrument Cluster and Indicator Lights ...........................................1-34
Instrument Panel Light Control (Rheostat) .......................................1-45
Interior Light .......................................................................................1-49
Intermittent Wiper ..............................................................................1-43
J
Jump Starting ...................................................................................... 3-2
Junction Box Description ..................................................................6-29

Seoul KoreaPrinting: FEB. 10, 2002
Publication No.: A38O-EU32I
Printed in Korea
SERVICE STATION INFORMATION
FUEL:
UNLEADED gasoline only
Pump Octane Rating of 87 (Research Octane Number 91) or higher.
FUEL TANK CAPACITY
US.gal (Imp.gal., liter) 17.2 (14.3, 65)
TIRE PRESSURE:
See the label on the driver's side of the center pillar outer panel.
OTHER TIRE INFORMATION:
See pages 8-2 through 8-6
HOOD RELEASE:
Pull handle under left side of dash.
ENGINE OIL:
API grade SH, SG or SG/CD multigrade and fuel efficient oil. Use SAE
10W-30, 10W-40 or 10W-50 if normal temperatures are above -10°F
(-23°C). For other viscosity recommendations, see page 6-5 or 9-4.
MANUAL TRANSAXLE:
HYUNDAI GENUINE PARTS MTF 75W/90 (API GL-4) Oil level
should be up to filler-bolt hole in housing beside differential.
AUTOMATIC TRANSAXLE:
Apply the parking brake, with the engine running, shift the selector
lever through all ranges and return to “N” (Neutral) position. Then
check the level of fluid on the dipstick. Use only HYUNDAI GENU-
INE ATF available at your dealer or DIAMOND ATF SP-III or SK
ATF SP-III.
QUICK INDEX
o Car will not start ....................................................................... 3-2
o Flat tire ..................................................................................... 3-5
o Warning light/chime comes on .............................................. 1-35
o Engine overheats ...................................................................... 3-3
o Towing of your vehicle ............................................................. 3-9
o Starting the engine ................................................................... 2-3
o Driving tips for first 1,200 miles (2,000 km) .......................... 1-3
o Scheduled maintenance ............................................................ 5-4
o Reporting safety defects ........................................................... 8-7