engine oil Hyundai Sonata
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7
Engine compartment / 7-2 Maintenance services / 7-4
Owner maintenance / 7-6Scheduled maintenance service / 7-8Explanation of scheduled maintenance items / 7-21Engine oil / 7-24Engine coolant / 7-25Brake and clutch fluid / 7-28
Power steering fluid / 7-29Automatic transaxle fluid / 7-30
Washer fluid / 7-32Parking brake / 7-32
Fuel filter / 7-33
Air cleaner / 7-34
Climate control air filter / 7-36
Wiper blades / 7-38 Battery / 7-40
Tyres and wheels / 7-43Fuses / 7-53Light bulbs / 7-62
Appearance care / 7-70
Emission control system / 7-76
Maintenance
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Maintenance
2
7
ENGINE COMPARTMENT
ONF019003R/8G010A01NFR
G010000ANF-EA 1. Engine coolant reservoir
2. Engine oil filler cap
3. Brake fluid reservoir
4. Air cleaner
5. Fuse box
6. Negative battery terminal
7. Positive battery terminal
8. Auto transaxle oil dipstick*
9. Radiator cap
10. Engine oil dipstick
11. Windshield washer fluid reservoir
12. Power steering fluid reservoir
* : if equipped
■■
Petrol Engine (2.4L)
■■Petrol Engine (3.3L)
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73
Maintenance
ONF057001R
1. Engine coolant reservoir
2. Engine oil filler cap
3. Brake fluid reservoir
4. Fuel filter
5. Air cleaner
6. Fuse box
7. Negative battery terminal
8. Positive battery terminal
9. Radiator cap
10. Engine oil dipstick
11. Windshield washer fluid reservoir
12. Power steering fluid reservoir
13. Auto transaxle oil dipstick*
* : if equipped
■
■
Diesel Engine (2.0L)
Page 249 of 340

Maintenance
6
7
OWNER MAINTENANCE
G030000AFD-EA
The following lists are vehicle checks and
inspections that should be performed by
the owner or an authorised HYUNDAIdealer at the frequencies indicated to
help ensure safe, dependable operation
of your vehicle.
Any adverse conditions should be
brought to the attention of your dealer as
soon as possible.
These Owner Maintenance Checks are
generally not covered by warranties and
you may be charged for labour, parts and
lubricants used. Owner maintenance schedule
G030101AUN-EA
When you stop for fuel:
Check the engine oil level.
Check coolant level in coolant reser-
voir.
Check the windshield washer fluid level.
Look for low or under-inflated tyres. G030102AUN-EA
While operating your vehicle:
Note any changes in the sound of the
exhaust or any smell of exhaust fumes
in the vehicle.
Check for vibrations in the steering wheel. Notice any increased steering
effort or looseness in the steering
wheel, or change in its straight-aheadposition.
Notice if your vehicle constantly turns slightly or “pulls” to one side when trav-
elling on smooth, level road.
When stopping, listen and check for unusual sounds, pulling to one side,
increased brake pedal travel or “hard-
to-push” brake pedal.
If any slipping or changes in the oper- ation of your transaxle occurs, check
the transaxle fluid level.
Check automatic transaxle P (Park) function.
Check parking brake.
Check for fluid leaks under your vehicle (water dripping from the air condition-
ing system during or after use is nor-mal).
WARNING
Be careful when checking your
engine coolant level when the
engine is hot. Scalding hot coolant
and steam may blow out under
pressure. This could cause burns
or other serious injury.
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79
Maintenance
NORMAL MAINTENANCE SCHEDULE - PETROL ENGINE
G040100ANF-EA
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.* 1
: Adjust alternator and power steering (and water pump drive belt) and air conditioner drive belt (if equipped).
Inspect and if necessary correct or replace.
* 2
: Check the engine oil level and leak every 500 km or before starting a long trip.
* 3
: For your convenience, it can be replaced prior to it's interval when you do maintenance of other items.
MAINTENANCE
INTERVALSNumber of months or driving distance, whichever comes first
Months 12 24 36 48 60 72 84 96
Km×1,000 15 30 45 60 75 90 105 120
Drive belts * 1
IIII
Engine oil and engine oil filter * 2
RRR RRRRR
Tensioner, idler and damper pulley
Air cleaner filter I I R I I R I I
Spark plugs
Replace every 40,000 km * 3
Replace every 160,000 km * 3
: 3.3L engine - iridium coated
Inspect when replacing the drive belt
MAINTENANCE ITEM
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713
Maintenance
MAINTENANCE UNDER SEVERE USAGE CONDITIONS - PETROL ENGINE
G040200ANF-EA
The following items must be serviced more frequently on cars mainly used under severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and if necessary, adjust, correct, clean or replace
Engine oil and engine oil filter R Every 7,500 km or 6 months A, B, C, D, E,
F, G, H, I K
Air cleaner filter R C, E
Spark plugs R B, H
Manual transaxle fluid (if equipped) R Every 100,000 km C, D, E, G, H, I, K
Automatic transaxle fluid (if equipped) R Every 40,000 km A, C, D, E, F,
G, H, I
Steering gear rack, linkage and boots I C, D, E, F, G
MAINTENANCE ITEMMaintenance
operation Maintenance intervals
Driving condition
Replace more frequently
depending on the condition
Inspect more frequently
depending on the condition Replace more frequently
depending on the condition
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715
Maintenance
NORMAL MAINTENANCE SCHEDULE - DIESEL ENGINE
G040300ANF-EA
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.* 1
: Adjust alternator and power steering and air conditioner drive belt (if equipped).
Inspect and if necessary correct or replace.
* 2
: Check the engine oil level and leak every 500 km or before starting a long trip.
MAINTENANCE
INTERVALS
MAINTENANCE ITEMNumber of months or driving distance, whichever comes first
Months 12 24 36 48 60 72 84 96
Km×1,000 15 30 45 60 75 90 105 120
Drive belts * 1
IIII
Engine oil and engine oil filter * 2
RRR RRRRR
Engine timing belt 2.0L Diesel
Tensioner/idler/damper pulley Air cleaner filter I I R I I R I IInspect when replacing the drive belt or timing beltInspect every 90,000 km or 72 months
Replace every 150,000 km or 120 months
Page 259 of 340

Maintenance
16
7
NORMAL MAINTENANCE SCHEDULE - DIESEL ENGINE (CONT.)
MAINTENANCE
INTERVALS
MAINTENANCE ITEMNumber of months or driving distance, whichever comes first
Months 12 24 36 48 60 72 84 96 Km×1,000
15 30 45 60 75 90 105 120
Fuel filler cap I I I I
PCV and crankcase ventilation hose I I I I
Vacuum hose (for VGT) I I I I I I I I
Vacuum pump and vacuum hose I I I I
Vacuum pump oil hose I I I I
Fuel filter cartridge * 3,
*4
RRRR
Fuel lines, hoses and connections I I I I I I I I Cooling system Inspect “Coolant level adjustment and leak” every day
Inspect “Water pump” when replacing the drive belt or timing belt
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.* 3
: If the diesel fuel specifications don't meet the European standards EN590, replace it more frequently.
Consult an authorised HYUNDAI dealer for details.
* 4
: Inspect and replace when there is a problem with starting the engine or fuel supplies.
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719
Maintenance
MAINTENANCE UNDER SEVERE USAGE CONDITIONS - DIESEL ENGINE
G040400ANF-EA
The following items must be serviced more frequently on cars mainly used under severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace I : Inspect and if necessary, adjust, correct, clean or replace
MAINTENANCE ITEM Maintenance
operation Maintenance intervals
Driving condition
Replace more frequently
depending on the condition
Engine oil and engine oil filter R Every 7,500 km or 6 months
A, B, C, F, G,
H, I, J, K, L
Air cleaner filter R C, E
Engine timing belt 2.0L Diesel R Every 75,000 km or 60 months D, E, F, G
Manual transaxle fluid (if equipped) R Every 100,000 km C, D, E, G, H, I, K
Automatic transaxle fluid (if equipped) R Every 40,000 km A, C, D, E, F
G, H, I
Steering gear rack, linkage and boots I C, D, E, F, G
Inspect more frequently
depending on the condition
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721
Maintenance
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS
G050100AUN Engine oil and filter The engine oil and filter should be
changed at the intervals specified in the
maintenance schedule. If the car is being
driven in severe conditions, more fre-quent oil and filter changes are required.
G050200AUN Drive belts
Inspect all drive belts for evidence of
cuts, cracks, excessive wear or oil satu-
ration and replace if necessary. Drive
belts should be checked periodically forproper tension and adjusted as neces-
sary. G050300AFD-EA
Fuel filter (cartridge) A clogged filter can limit the speed at
which the vehicle may be driven, damage
the emission system and cause multiple
issues such as hard starting. If an exces-
sive amount of foreign matter accumu-
lates in the fuel tank, the filter may
require replacement more frequently.
After installing a new filter, run the engine
for several minutes, and check for leaks
at the connections. Fuel filters should be
installed by an authorised HYUNDAI
dealer.
G050400AFD-EA
Fuel lines, fuel hoses and con- nections
Check the fuel lines, fuel hoses and con-
nections for leakage and damage. Have
an authorised HYUNDAI dealer replace
any damaged or leaking parts immedi-
ately.
WARNING -
Diesel only
Never work on injection system with engine running or within 30
seconds after shutting off engine.
High pressure pump, rail, injectorsand high pressure pipes are sub-
ject to high pressure even after the
engine stopped. The fuel jet pro-
duced by fuel leaks may cause seri-
ous injury, if it touch the body.
People using pacemakers should
not move than 30cm closer to theECU or wiring harness within the
engine room while engine is run-
ning, since the high currents in the
Common Rail system produce con-
siderable magnetic fields.