Hyundai Sonata (2018 year). Manual — part 25

Maintenance

Normal Maintenance Schedule (Gamma

1.6 T-GDI/Theta 2.0 T-GDI)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

MAINTENANCE

ITEM

Km×1,000

100

110

120

130

140

150

At first, inspect at 60,000 miles or 72 months.

Drive belts *1

Thereafter, inspect every 12,000 miles or 24 months

Engine oil and engine oil filter

Fuel additives *2

Add fuel additives every 6,000 miles or 12 months

Air cleaner filter

Spark plugs

Replace every 42,000 miles

Valve clearance *3 (1.6 T-GDI only)

Inspect every 60,000 miles or 72 months

Rotate tires

Rotate tires every 6,000 miles

Climate control air filter

Vacuum hose

At first, replace at 120,000 miles or 120 months.

Engine coolant

Thereafter, replace every 30,000 miles or 24 months

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

: The drive belt should be replaced when cracks occur or tension is reduced excessively.

: If TOP TIER Detergent Gasoline is not available, one bottle of additive is recommended. Additives are available from your

authorized HYUNDAI dealer along with information on how to use them. Do not mix other additives.

: Inspect for excessive valve noise and/or engine vibration and adjust if necessary. Have an authorized HYUNDAI dealer per-

form the operation.

7-10

Normal Maintenance Schedule (Gamma

1.6 T-GDI/Theta 2.0 T-GDI) (CONT)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

MAINTENANCE

ITEM

Km×1,000

100

110

120

130

140

150

Battery condition

Brake lines, hoses and connections

Disc brakes and pads

Driveshaft and boots

Suspension mounting bolts

Air conditioner refrigerant

Air conditioner compressor

Exhaust pipe and muffler

Automatic transaxle fluid (if equipped)

No check, No service required

Ecoshift dual clutch transmission fluid

(if equipped)

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

7-11

Maintenance

Normal Maintenance Schedule (Gamma 1.6 T-GDI/Theta 2.0 T-GDI) (CONT)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

MAINTENANCE

Km×1,000

100

110

120

130

140

150

ITEM

Intercooler, in/out hose, air intake hose

Steering gear rack, linkage and boots

Vapor hose, fuel filler cap and fuel tank

Fuel tank air filter *4

Fuel filter *4

Fuel lines, hoses and connections

Parking brake

Brake fluid

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

: Fuel filter & Fuel tank air filter are considered to be maintenance free but periodic inspection is recommended for this mainte-

nance schedule depends on fuel quality. If there are some important safety matters like fuel flow restriction, surging, loss of

power, hard starting problem, etc. replace the fuel filter immediately regardless of maintenance schedule and consult an

authorized HYUNDAI dealer for details.

7-12

Maintenance Under Severe Usage Conditions (Gamma 1.6 T-GDI/Theta 2.0 T-GDI)

The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer

to the chart below for the appropriate maintenance intervals.

R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary

MAINTENANCE

DRIVING

MAINTENANCE ITEM

MAINTENANCE INTERVALS

OPERATION

CONDITION

A, B, C, D, E, F,

Engine oil and filter

Every 3,000 miles or 6 months

G, H, I, J, K

Air cleaner filter

More frequently

C, E

Spark plugs

More frequently

A, B, H, I, K

Automatic transmission fluid

Every 60,000 miles

A, C, E, F, G, I

(if equipped)

Ecoshift dual clutch transmission fluid

C, D, E, F,

Every 72,000 miles

(if equipped)

G, H, I, J

Front brake disc/pads, calipers

More frequently

C, D, G, H

Rear brake shoes or disc/pads

More frequently

C, D, G, F

7-13

Maintenance

MAINTENANCE

DRIVING

MAINTENANCE ITEM

MAINTENANCE INTERVALS

OPERATION

CONDITION

Parking brake

More frequently

C, D, G, H

Steering gear box, linkage & boots/

lower arm ball joint, upper arm ball

More frequently

C, D, E, F, G, H, I

joint

Suspension mounting bolts

More frequently

C, D, E, F, G, H, I

Drive shafts and boots

Every 3,000 miles or 6 months

C, D, E, F, G, H, I

Climate control air filter

More frequently

C, E

(for evaporator and blower unit)

Severe Driving Conditions

A-Repeatedly driving short distances of less than 5 miles

E-Driving in sandy areas

(8 km) in normal temperature or less than 10 miles (16 km)

F-Driving in heavy traffic area over 90°F (32°C)

in freezing temperature

G-Driving on uphill, downhill, or mountain road

B-Extensive engine idling or low speed driving for long dis-

H-Towing a Trailer, or using a camper, or roof rack

tances

- Driving as a patrol car, taxi, other commercial use or vehicle

C-Driving on rough, dusty, muddy, unpaved, graveled or salt-

towing

spread roads

J-Driving over 106 mph (170 km/h)

D-Driving in areas using salt or other corrosive materials or in

K-Frequently driving in stop-and-go conditions

very cold weather

7-14

Normal Maintenance Schedule (Theta 2.4 GDI)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

7.5

22.5

37.5

52.5

67.5

82.5

97.5

105

112.5

MAINTENANCE

ITEM

Km×1,000

108

120

132

144

156

168

180

At first, inspect at 60,000 miles or 72 months.

Drive belts *1

Thereafter, inspect every 15,000 miles or 24 months

Engine oil and engine oil filter

Fuel additives *2

Add fuel additives every 7,500 miles or 12 months

Air cleaner filter

Spark plugs

Replace every 97,500 miles

Rotate tires

Rotate tires every 7,500 miles

Climate control air filter

Vacuum hose

At first, replace at 120,000 miles or 120 months.

Engine coolant

Thereafter, replace every 30,000 miles or 24 months

Battery condition

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

*1 : The drive belt should be replaced when cracks occur or tension is reduced excessively.

*2 : If TOP TIER Detergent Gasoline is not available, one bottle of additive is recommended. Additives are available from your

authorized HYUNDAI dealer along with information on how to use them. Do not mix other additives.

7-15

Maintenance

Normal Maintenance Schedule (Theta 2.4 GDI) (CONT)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

7.5

22.5

37.5

52.5

67.5

82.5

97.5

105

112.5

MAINTENANCE

ITEM

Km×1,000

108

120

132

144

156

168

180

Brake lines, hoses and connections

Disc brakes and pads

Driveshaft and boots

Suspension mounting bolts

Air conditioner refrigerant

Air conditioner compressor

Exhaust pipe and muffler

Automatic transaxle fluid (if equipped)

No check, No service required

Steering gear rack, linkage and boots

Vapor hose, fuel filler cap and fuel tank

Fuel tank air filter *3

Fuel filter *3

Fuel lines, hoses and connections

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

*3 : Fuel filter & Fuel tank air filter are considered to be maintenance free but periodic inspection is recommended for this mainte-

nance schedule depends on fuel quality. If there are some important safety matters like fuel flow restriction, surging, loss of

power, hard starting problem, etc. replace the fuel filter immediately regardless of maintenance schedule and consult an

authorized HYUNDAI dealer for details.

7-16

Normal Maintenance Schedule (Theta 2.4 GDI) (CONT)

MAINTENANCE

Months

108

120

132

144

156

168

180

INTERVALS

Miles×1,000

7.5

22.5

37.5

52.5

67.5

82.5

97.5

105

112.5

MAINTENANCE

ITEM

Km×1,000

108

120

132

144

156

168

180

Parking brake

Brake fluid

: Inspect : Inspect and if necessary, adjust, correct, clean or replace.

R : Replace or change.

7-17

Maintenance

Maintenance Under Severe Usage Conditions (Theta 2.4 GDI)

The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer

to the chart below for the appropriate maintenance intervals.

R : Replace I : Inspect and, after inspection, clean, adjust, repair or replace if necessary

MAINTENANCE

DRIVING

MAINTENANCE ITEM

MAINTENANCE INTERVALS

OPERATION

CONDITION

A, B, C, D, E, F,

Engine oil and filter

Every 3,750 miles or 6 months

G, H, I, J, K

Air cleaner filter

More frequently

C, E

Spark plugs

More frequently

A, B, H, I, K

Automatic transmission fluid

Every 60,000 miles

A, C, E, F, G, I

(if equipped)

Front brake disc/pads, calipers

More frequently

C, D, G, H

Rear brake shoes or disc/pads

More frequently

C, D, G, F

7-18

MAINTENANCE

DRIVING

MAINTENANCE ITEM

MAINTENANCE INTERVALS

OPERATION

CONDITION

Parking brake

More frequently

C, D, G, H

Steering gear box, linkage & boots/

lower arm ball joint, upper arm ball

More frequently

C, D, E, F, G, H, I

joint

Suspension mounting bolts

More frequently

C, D, E, F, G, H, I

Drive shafts and boots

Every 3,750 miles or 6 months

C, D, E, F, G, H, I

Climate control air filter

More frequently

C, E

(for evaporator and blower unit)

Severe Driving Conditions

A-Repeatedly driving short distances of less than 5 miles

E-Driving in sandy areas

(8 km) in normal temperature or less than 10 miles (16 km)

F-Driving in heavy traffic area over 90°F (32°C)

in freezing temperature

G-Driving on uphill, downhill, or mountain road

B-Extensive engine idling or low speed driving for long dis-

H-Towing a Trailer, or using a camper, or roof rack

tances

- Driving as a patrol car, taxi, other commercial use or vehicle

C-Driving on rough, dusty, muddy, unpaved, graveled or salt-

towing

spread roads

J-Driving over 106 mph (170 km/h)

D-Driving in areas using salt or other corrosive materials or in

K-Frequently driving in stop-and-go conditions

very cold weather

7-19

Maintenance

EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

Engine Oil and Filter

Fuel Filter

Vapor Hose and Fuel Filler

Cap

The engine oil and filter should be

A clogged filter can limit the speed at

changed at the intervals specified in

which the vehicle may be driven,

The vapor hose and fuel filler cap

the maintenance schedule. If the car

damage the emission system and

should be inspected at those inter-

is being driven in severe conditions,

cause multiple issues such as hard

vals specified in the maintenance

more frequent oil and filter changes

starting. If an excessive amount of

schedule. Make sure a new vapor

are required.

foreign matter accumulates in the

hose or fuel filler cap is correctly

fuel tank, the filter may require

replaced.

Drive Belts

replacement more frequently. After

installing a new filter, run the engine

Air Cleaner Filter

Inspect all drive belts for evidence of

for several minutes, and check for

cuts, cracks, excessive wear or oil

A genuine HYUNDAI air cleaner filter

leaks at the connections. Fuel filters

saturation and replace if necessary.

is recommended when the filter is

should be installed by an authorized

Drive belts should be checked peri-

replaced.

HYUNDAI dealer.

odically for proper tension and

adjusted as necessary.

Spark Plugs

Fuel Lines, Fuel Hoses and

Connections

Make sure to install new spark plugs

of the correct heat range.

Check the fuel lines, fuel hoses and

connections for leakage and dam-

age. Have an authorized HYUNDAI

dealer replace any damaged or leak-

ing parts immediately.

7-20

Valve Clearance (if equipped)

Automatic Transmission Fluid

CAUTION

Inspect for excessive valve noise

Automatic transmission fluid should

and/or engine vibration and adjust if

not be checked under normal usage

The use of a non-specified fluid

necessary. Have an authorized

conditions. But in severe conditions,

could result in transmission

HYUNDAI dealer perform the opera-

the fluid should be changed at an

malfunction and failure. Use

tion.

authorized HYUNDAI dealer in accor-

only the specified automatic

dance to the scheduled maintenance

transmission fluid

(refer to

at the beginning of this chapter.

"Recommended Lubricants and

Cooling System

Capacities" in chapter 8).

Check cooling system components,

NOTICE

such as radiator, coolant reservoir,

Automatic transmission fluid

hoses and connections for leakage

Ecoshift dual clutch transmis-

color is basically red.

and damage. Replace any damaged

sion Fluid

parts.

As the vehicle is driven, the auto-

Inspect the Ecoshift dual clutch

matic transmission fluid will begin

transmission fluid according to the

to look darker. This is a normal

Engine Coolant

maintenance schedule.

condition and you should not

The coolant should be changed at

judge the need to replace the fluid

the intervals specified in the mainte-

based upon the changed color.

nance schedule.

7-21

Maintenance

Brake Hoses and Lines

Brake Discs, Pads, Calipers

Steering Gear Box, Linkage &

and Rotors

Boots/Lower Arm Ball Joint

Visually check for proper installation,

chafing, cracks, deterioration and

Check the pads for excessive wear,

With the vehicle stopped and the

any leakage. Replace any deteriorat-

discs for run out and wear, and

engine off, check for excessive free-

ed or damaged parts immediately.

calipers for fluid leakage.

play in the steering wheel. Check the

linkage for bends or damage. Check

the dust boots and ball joints for

Brake Fluid

Exhaust Pipe and Muffler

deterioration, cracks, or damage.

Check brake fluid level in the brake

Visually inspect the exhaust pipes,

Replace any damaged parts.

fluid reservoir. The level should be

muffler and hangers for cracks, dete-

between the MIN and the MAX

rioration, or damage. Start the

marks on the side of the reservoir.

engine and listen carefully for any

Drive Shafts and Boots

Use only hydraulic brake fluid con-

exhaust gas leakage. Tighten con-

Check the drive shafts, boots and

forming to DOT 3 or DOT 4 specifi-

nections or replace parts as neces-

clamps for cracks, deterioration, or

cation.

sary.

damage. Replace any damaged

parts and, if necessary, repack the

grease.

Parking Brake

Suspension Mounting Bolts

Inspect the parking brake system

Check the suspension connections

including the parking brake pedal

for looseness or damage. Retighten

Air Conditioning Refrigerant

and cables.

to the specified torque.

Check the air conditioning lines and

connections for leakage and damage.

7-22

ENGINE OIL

Checking the Engine Oil Level

■

1.6 T-GDI

■ 2.4 GDI

1. Follow all of the oil manufacturer’s

precautions.

2. Be sure the vehicle is on level

ground in P (Park) with the parking

brake set and the wheels blocked.

3. Turn the engine on and allow the

engine to reach normal operating

temperature.

4. Turn the engine off and wait about

five minutes for the oil to return to

OLF076076

OLF077003N

the oil pan.

■2.0 T-GDI

6. Pull the dipstick out again and

5. Pull the dipstick out, wipe it clean,

check the level. The level should

and re-insert it fully.

be between F and L.

7. If it is near or at L, add enough oil

to bring the level to F.

OLF076077N

7-23

Maintenance

■

1.6 T-GDI

■ 2.4 GDI

NOTICE

To prevent damage to your

engine:

• Do not overfill with engine oil.

Add oil in small quantities and

recheck level to ensure engine

is not overfilled.

• Do not spill engine oil when

adding or changing engine oil.

Use a funnel to help prevent oil

from being spilled on engine

OLF074078N

OLF074005

components. Wipe off spilled oil

■2.0 T-GDI

NOTICE

immediately

Use only the specified engine oil

(refer to "Recommended Lubricants

and Capacities" in chapter 8).

OLF074079N

7-24

Checking the Engine Oil and

WARNING

Filter

CALIFORNIA PROPOSITION 65

WARNING

Engine oil contains chemicals

known to the State of California

to cause cancer, birth defects

and reproductive harm. Used

engine oil may cause irritation

or cancer of the skin if left in

contact with the skin for pro-

longed periods of time. Always

protect your skin by washing

your hands thoroughly with

soap and warm water as soon

Have engine oil and filter changed by

as possible after handling used

an authorized HYUNDAI dealer

oil.

according to the Maintenance

Schedule at the beginning of this

chapter.

7-25

Maintenance

ENGINE COOLANT

The high-pressure cooling system

Checking the Engine Coolant

(Continued)

has a reservoir filled with year-round

Level

antifreeze coolant. The reservoir is

Turn the engine off and wait

filled at the factory.

until the engine cools down.

Use extreme care when remov-

Check the antifreeze protection and

ing the radiator cap. Wrap a

coolant level at least once a year, at

thick towel around it, and turn it

the beginning of the winter season

counterclockwise slowly to the

and before traveling to a colder cli-

first stop. Step back while the

mate.

pressure is released from the

cooling system. When you are

sure all the pressure has been

released, press down on the

cap, using a thick towel, and

continue turning counterclock-

OLF077007N

wise to remove it.

WARNING

Never remove the

radiator cap or the

drain plug while the

engine and radiator

are hot. Hot coolant

and steam may blow out under

pressure, causing serious

injury.

(Continued)

7-26

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Hyundai Sonata (2018 year). Manual — part 25

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