2021 GENESIS G80 engine

Maintenance
9-10
Normal Maintenance Schedule (Cont.)
MAINTENANCE

INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156168 180
Miles×1,000 816 24 3240 48 5664 7280 8896104 112120
Km×1,000 1326 39 5265 78 91104 117130 143156169 182195
Vacuum hose IIIIIIIIIIIIIII
Engine coolant At first, replace at 80,000 miles (130,000 km) or 10 years
after that, replace every 24,000 miles (39,000 km) or 24 months
Battery condition IIIIIIIIIIIIIII
Brake lines, hoses and connections IIIIIIIIIIIIIII
Front brake disc/pads, calipers IIIIIIIIIIIIIII
Rear brake disc/pads IIIIIIIIIIIII
II
Steering gear rack, linkage and boots / lower arm
ball joint, upper arm ball joint I
IIIIIIIIIIIIII
Driveshaft and boots IIIIIIIIIIIIIII
Suspension mounting bolts IIIIIIIIIIIIIII
Air conditioner refrigerant IIIIIIIIIIIIIII
Air conditioner compressor IIIIIIIIIIIIIII
Propeller shaft IIIIIIIIIIIIIII
Exhaust pipe and muffler IIIIIIIIIIIIIII
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.

09
9-11
Normal Maintenance Schedule (Cont.)
MAINTENANCE

INTERVALS
MAINTENANCE
ITEM Number of months or driving distance, whichever comes first
Months 1224 3648 60 7284 96108 120 132144 156168 180
Miles×1,000 816 24 3240 48 5664 7280 8896104 112120
Km×1,000 1326 39 5265 78 91104 117130 143156169 182195
Automatic transmission fluid
*1
No check, No service required
Front (AWD) / rear differential oil
*2
I II
Vapor hose, fuel filler cap and fuel tank IIIIIII
Fuel tank air filter IIIIIII
Fuel lines, hoses and connections IIIIIII
Parking brake IIIIIII
Brake fluid Inspect every 8,000 miles (13,000 km) or 12 months,
Replace every 48,000 miles (78,000 km) or 48 months
Transfer case oil (AWD) No check, No service required
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*1 : Use only the specified automatic transmission fluid. (Refer to “Recommended lubricants and capacities” section in chapter 2 or
the label in the engine compartment.)
*2 : Front/rear differential oil should be changed anytime, front/rear differential have been submerged in water. Ã Fuel filter is considered to be maintenance free but the quality of fuel used may impact the frequency of maintenance
needed. 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 retailer
of Genesis Branded products for details.

Maintenance
9-12
Maintenance Under Severe Usage Conditions
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 itemMaintenance
operation Maintenance intervals Driving
condition
Engine oil and filter
*1R Replace every 5,000 miles
(8,000 km) or 6 months A, B, C, D,
E, F, G, H, I, J, K, L
Air cleaner filter IInspect more frequently
depending on the condition C, E
Spark plugs RReplace more frequently
depending on the condition A, B, F, G,
H, I, K
Steering gear rack, linkage and
boots IInspect more frequently
depending on the condition C, D, E,
F, G
Front suspension ball joints IInspect more frequently
depending on the condition C, D, E,
F, G
Disc brakes and pads, calipers
and rotors IInspect more frequently
depending on the condition C, D, E,
G, H
Parking brake IInspect more frequently
depending on the condition C, D, G, H
Driveshaft and boots IInspect more frequently
depending on the condition C, D, E, F,
G, H, I, J
Cabin air filter RReplace more frequently
depending on the condition C, E, G
Automatic transmission fluid RReplace every 60,000 miles
(100,000 km) A, C, D, E,
F, G, H, I, K
Front differential oil (AWD) /
Rear differential oil RReplace every 72,000 miles
(120,000 km) C, D, E, G,
H, I, J
Propeller shaft IMore frequently C, D, E, F,
G, H, I, J
Transfer case oil (AWD) No check, No service required
*1 : If a lower grade engine oil (below API SN PLUS) is substituted, then the engine oil
and engine oil filter must be replaced at every 5,000 miles (8,000 km) or 6 months as
indicated for severe maintenance condition.

09
9-13
Severe driving conditions
A. Repeatedly driving short distance of less than 5 miles (8 km) in normal temperature
or less than 10 miles (16 km) in freezing temperature
B. Extensive engine idling or low speed driving for long distances
C. Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D. Driving in areas using salt or other corrosive materials or in very cold weather
E. Driving in the condition of inflowing sand or dust into engine
F. Driving in heavy traffic area
G. Driving on uphill, downhill, or mountain roads
H. Towing a trailer
I. Driving for patrol car, taxi, commercial car or vehicle towing
J. Driving over 106 mph (170 km/h)
K. Frequently driving in stop-and-go conditions
L. Engine oil usage which not recommended (mineral type, lower grade spec, etc.)

Maintenance
9-14
Engine Oil and Filter
The engine oil and filter should be
changed at the intervals specified in the
maintenance schedule. If the vehicle
is being driven in severe conditions,
more frequent oil and filter changes are
required.
Drive Belts
Inspect all drive belts for evidence
of cuts, cracks, excessive wear or oil
saturation and replace if necessary.
Drive belts should be checked
periodically for proper tension and
adjusted as necessary.
Information
When you are inspecting the belt, turn the
engine off.
Fuel Lines, Fuel Hoses and
Connections
Check the fuel lines, fuel hoses and
connections for leakage and damage.
Have an authorized retailer of Genesis
Branded products replace any damaged
or leaking parts immediately.
Fuel Filter
The fuel filter is considered to be
maintenance free but periodic inspection
is recommended for this maintenance
depends on fuel quality. If there are
some important matters like fuel flow
restriction, surging, loss of power, hard
starting problem etc., replace the fuel
filter immediately. We recommend that
you consult an authorized retailer of
Genesis Branded products for details.
Vapor Hose and Fuel Filler Cap
The vapor hose and fuel filler cap should
be inspected at those intervals specified
in the maintenance schedule. Make sure
a new vapor hose or fuel filler cap is
correctly replaced.
Air Cleaner Filter
We recommend that the air cleaner filter
be replaced by an authorized retailer of
Genesis Branded products.
Spark Plugs
Make sure to install new spark plugs of
the correct heat range.
Cooling System
Check cooling system components, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS

09
9-15
Engine Coolant/Liquid-Cooled
Intercooler Coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Automatic Transmission Fluid
Automatic transmission fluid should
not be checked under normal usage
conditions, the Automatic transmission
fluid should be changed by an authorized
retailer of Genesis Branded products
according to the maintenance schedule.
Information
Automatic transmission fluid color is red
when new.
As the vehicle is driven, the automatic
transmission fluid will begin to look
darker.
This is a normal condition. It does not
need to be replaced based on the color
change.
NOTICE
The use of a non-specified fluid could
result in transmission malfunction and
failure.
Use only specified automatic
transmission fluid. (Refer to
“Recommended Lubricants and
Capacities” section in chapter 2.)
Brake Hoses and Lines
Visually check for proper installation,
chafing, cracks, deterioration and any
leakage. Replace any deteriorated or
damaged parts immediately.
Brake Fluid
Check the brake fluid level in the brake
fluid reservoir. The level should be
between the MIN and the MAX marks
on the side of the reservoir. Use only
hydraulic brake fluid conforming to DOT
4 specification.
Brake Discs, Pads, Calipers and
Rotors
Check the pads, the disc, and the rotor
for any excessive wear-out. Inspect
calipers for any fluid leakage
Exhaust Pipe and Muffler
Visually inspect the exhaust pipes,
muffler and hangers for cracks,
deterioration, or damage. Start
the engine and listen carefully for
any exhaust gas leakage. Tighten
connections or replace parts as
necessary.
Propeller Shaft
Check the propeller shaft, boots, clamps,
rubber couplings and center-bearing
rubber for cracks, deterioration, or
damage. Replace any damaged parts
and if necessary, repack the grease.

Maintenance
9-16
ENGINE OIL
Suspension Mounting Bolts
Check the suspension connections for
looseness or damage. Retighten to the
specified torque.
Steering Gear box, Linkage &
Boots/Lower Arm Ball Joint
With the vehicle stopped and the engine
off, check for excessive free-play in the
steering wheel. Check the linkage for
bends or damage. Check the dust boots
and ball joints for deterioration, cracks,
or damage.
Replace any damaged parts.
Drive Shafts and Boots
Check the drive shafts, boots and clamps
for cracks, deterioration, or damage.
Replace any damaged parts and, if
necessary, repack the grease.
Air Conditioning Refrigerant
Check the air conditioning lines and
connections for leakage and damage.
Checking the Engine Oil Level
1. Follow all of the oil manufacturer’s
precautions.
2. Be sure the vehicle is on the 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 10
minutes for the oil to return to the oil
pan.
5. Pull the dipstick out, wipe it clean, and
re-insert it fully.
„„2.5L T-GDI
ORG3090004L
„„3.5L T-GDI
ORG3090006
6. Pull the dipstick out again and check
the level. The level should be between
F (Full) and L (Low).

09
9-17
„„2.5L T-GDI
ORG3090005
„„3.5L T-GDI
ORG3090007
7. If it is near or at L, add enough oil to
bring the level to F.
Use only the specified engine oil (Refer
to “Recommended Lubricants and
Capacities” section in chapter 2).
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 components. Wipe off
spilled oil immediately.
Checking the Engine oil and
Filter
Have the engine oil and filter changed by an authorized retailer of Genesis Branded
products according to the Maintenance
Schedule at the beginning of this
chapter.
WARNING
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 prolonged periods of time.
Always protect your skin by washing
your hands thoroughly with soap and
warm water as soon as possible after
handling used oil.