2016 Hyundai Equus coolant

1. Engine coolant reservoir
2. Radiator cap
3. Brake fluid reservoir
4. Air cleaner
5. Engine oil dipstick6. Engine oil filler cap
7. Windshield washer fluid reservoir
8. Fuse box
9. Power steering fluid reservoir
10. Jumper terminal
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7-4
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Maintenance
❈ The actual engine compartment in the vehicle may differ from the illustration.
❈ The battery is in the trunk.

The following lists are about the vehi-
cle inspection and maintenance that
should be performed by the owner or
an authorized EQUUS dealer, as
indicated. This will ensure your safety
and dependable driving.
Any adverse conditions should imme-
diately be checked by your EQUUS
dealer.
These Owner Maintenance Checklists
are mostly uncovered by your vehicle
warranties. Thus, you may charges
you for expenses of labor, parts or
lubricants.
Owner's maintenance sched-
ule
While refueling:
Check the engine oil level.
Check coolant level in coolantreservoir.
Check the windshield washer fluid level.
Check for any low or under-inflated tires.
While driving:
Check for any changes in theexhaust sounds or the smells.
Check for any steering wheel vibra- tion. Check whether you feel more
tightness or looseness of the steer-
ing wheel.
Check for any slight tilting, or “pulls” to one side, while driving on
a flat surface.
Check for any unusual sounds, tilt- ing, a braking distance, or “hard-to-
push” brake pedal while stopping.
Check the transmission fluid level upon experiencing a skid or a sud-
den transmission gear change.
Check the P(Park) function of the auto transmission.
Check the parking brake.
Check for any fluid leak (water dripping from the A/C while or after
the normal driving).
At least once a month:
Check the coolant level in theengine coolant reservoir.
Check the operation of all exterior lights, such as the stoplights, turn
signals and hazard warning flash-
ers.
Check the inflation pressures of all tires including the spare.
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7-7
Maintenance07
Carefully check your engine
coolant level, when the engine
is hot. The hot coolant or steam
may blow out under pressure.
This may cause a skin burn or
other serious injuries.
WARNING

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-18
Maintenance
(Continued)
❑Inspect drive belts (First, 60,000 miles (96,000 km) or 72 months
after every 15,000 miles (24,000 km) or 24 months) *
4
❑ Inspect power steering fluid
❑ Inspect EHPS (Electronic Hydraulic Power Steering) motor pump and hoses
❑ Inspect rear differential oil *
3 (120,000 miles (192,000 km) or 144 months)
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace air cleaner filter
❑ Replace engine oil and filter (120,000 miles (192,000 km) or 192 mont\
hs)
❑ Replace coolant (First, 120,000 miles (210,000 km) or 120 months
after every 30,000 miles (48,000 km) or 24 months)
❑ Add fuel additives *
1(120,000 miles (192,000 km) or 192 months)
127,500 miles (204,000 km) or 102 months
❑ Rotate tires
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect power steering fluid
❑ Replace engine oil and filter (127,500 miles (204,000 km) or 204 mont\
hs)
❑ Add fuel additives *
1(127,500 miles (204,000 km) or 204 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
3: Rear differential oil should be refilled, when the rear differential is submerged in water.
*4 : The drive belt should be replaced, when it has a crack. Otherwise, the tension would be exces- sively reduced.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

NORMAL MAINTENANCE SCHEDULE (CONT.)
7-20
Maintenance
150,000 miles (240,000 km) or 120 months
❑Rotate tires
❑ Inspect vacuum hose
❑ Inspect A/C refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect exhaust pipe and muffler
❑ Inspect front brake disc/pads, calipers
❑ Inspect propeller shaft
❑ Inspect rear brake disc/pads
❑ Inspect steering gear box, linkage & boots/lower arm ball joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑ Inspect brake fluid
❑ Inspect fuel filter *
2
❑Inspect fuel lines, fuel hoses and connections
❑ Inspect fuel tank air filter *2
❑Inspect parking brake
❑ Inspect vapor hose and fuel filler cap, fuel tank
❑ Inspect power steering fluid
❑ Inspect EHPS(Electronic Hydraulic Power Steer ing) motor pump, belt and hoses
❑ Inspect rear differential oil *
3 (160,000 miles (256,000 km) or 192 months)
❑ Inspect drive belts (First, 60,000 miles (96,000 km) or 72 months
after every 15,000 miles (24,000 km) or 24 months) *
4
❑ Replace climate control air filter (for evaporator and blower unit)
❑ Replace air cleaner filter
❑ Replace engine oil and filter (150,000 miles (240,000 km) or 240 mont\
hs)
❑ Replace coolant (First, 120,000 miles (192,000 km) or 120 months
after every 30,000 miles (48,000 km) or 24 months)
❑ Add fuel additives *
1(150,000 miles (240,000 km) or 240 months)
*1: When the TOP-TIER Detergent Gasoline is unavailable, adding one bottle of additives is rec-
ommended. Additives are available from your authorized EQUUS dealer along with informa-
tion on how to use them. Do not mix it with other additives.
*
2: Fuel filter & Fuel tank air filter are considered to be maintenance free\
. However, regular inspection is still recommended, because the maintenance schedule depend\
s on the fuel
quality. When there are critical safety problems, such as fuel flow blocking, overflowing, power
loss, and hard starting, immediately replace the fuel filter regardless of maintenance sche\
d-
ule, and consult an authorized EQUUS dealer for further information.
*
3: Rear differential oil should be refilled, when the rear differential is submerged in water.
*4: The drive belt should be replaced, when it has a crack. Otherwise, the tension would be excessively reduced.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

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Maintenance07
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Engine oil and filter
The engine oil and filter should be
changed at the interval, as specified
in the maintenance schedule. After
driving in severe conditions, you
should more frequently change oil
and filters.
Drive belts
Inspect all belts for any cut, crack,
excessive wear-out, or oil saturation.
If necessary, replace it.
Fuel filter
A clogged filter may limit the acceler-
ating function, damage the emission
system and cause other problems,
such as hard starting. When an
excessive amount of foreign sub-
stances accumulate in the fuel tank,
you should more frequently replace
the filter. After installing a new filter,
run the engine for several minutes,
and check for any leakage from the
connections. Fuel filters should be
installed by an authorized EQUUS
dealer.
Fuel lines, fuel hoses and con-
nections
Check the fuel lines, fuel hoses and
connections for any leakage and
damage. Immediately have an
authorized EQUUS dealer replace
any damaged or leaking parts.
Vapor hose and fuel filler cap
Check the fuel lines, fuel hoses and
connections for any leakage and
damage. Immediately have an
authorized EQUUS dealer replace
any damaged or leaking parts.
Air cleaner filter
An authorized HYUNDAI air cleaner
filter is recommended.
Spark plugs
Make sure to install new spark plugs
of the correct heat range.
Cooling system
Check the cooling system compo-
nents, such as radiator, coolant
reservoir, hoses and connections, for
any leakage and damage. If neces-
sary, replace any damaged parts.
Coolant
The coolant should be changed at
the interval, as specified in the main-
tenance schedule.
Automatic transmission fluid
You do not need to check the auto-
matic transmission fluid, when driv-
ing under normal conditions.
However, after driving in severe con-
ditions, the fluid should be changed
by an authorized EQUUS dealer in
accordance with the maintenance
schedule, as specified in the begin-
ning of this chapter.
Information
The original color of the automatic
transmission fluid is red. However, as
you drive the vehicle, the color will
become darker. This is normal, and
you do not need to change the fluid
due to the changed color.
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Maintenance07
The high-pressure cooling system
has a reservoir filled with the year-
round antifreeze coolant. The reser-
voir is already filled at the factory.
Check the antifreeze protection and
coolant level at least once a year, at
the beginning of the winter season,
and before traveling to a colder
region.
Checking the coolant level
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(Continued)

operating, but when the
engine and radiator are hot,
do not remove the radiator
cap or the drain the plug. Hot
coolant and steam may blow
out under pressure, causing a
serious injury.
The electric motor (of
the cooling fan) is
controlled by the
engine coolant tem-
perature, refrigerant
pressure and driving speed. It
may operate, even when the
engine is not running. Use
extreme caution, when working
near the cooling fan blades. So,
you are not injured by the fan-
blade rotation. As the engine
coolant temperature decreases,
the electric motor will automati-
cally turn off. This is a normal.
When your vehicle is equipped
with GDI, the electric motor (of
the cooling fan) may operate
until the negative battery cable
is disconnected.
WARNING
Removing the radia-
tor cap
Never attempt to remove the radiator cap while the engine
is running, or when the engine
is hot. This may damage the
cooling system and the
engine, resulting in a serious
personal injury due to the hot
coolant or steam.
Turn the engine off and wait until it cools down. Use
extreme care when removing
the radiator cap. Wrap a thick
towel around it, and slowly turn
it in a counterclockwise direc-
tion to the first stop. Step back
while the pressure is released
from the cooling system.
When you are sure all the pres-
sure is released, press down
on the cap over a thick towel,
and turn it in a counterclock-
wise direction to remove it.
(Continued)
WARNING

7-28
Maintenance
Check all the cooling system hoses
and heater hoses. If necessary,
replace any swollen or deteriorated
one. The coolant level should
be between F and L marks
on the coolant reservoir,
when the engine is cool.
When the coolant level is low, add
distilled (deionized) water. Bring up
the level to F, but do not overfill.
When frequent additions are
required, have an authorized
EQUUS dealer inspect your cooling
system.
Recommended engine coolant
When adding coolant, use the deionized water, distilled water or
soft water. Never add hard water in
the coolant. An improper coolant
mixture may result in serious mal-
function or engine damage.
The engine parts are made of alu- minum and must be protected by
an ethyleneglycol-based coolant
from any corrosion and freezing.
DO NOT USE alcohol or methanol coolant, nor mix them with the
authorized coolant. Do not use the solution of which
the antifreeze portion is above
60% or below 35%. This may
reduce the solution effects.
Mix the water and antifreeze in the half-and-half ratio. This solution will
work in most situations.
For the proper mixture ratio, refer to
the following table.
Information
The half-and-half ratio solution of
water and antifreeze is effective at a
temperature of -31°F (-35°C) and
higher.
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OVI075004N
5°F (-15°C) 35 65
-13°F (-25°C) 40 60
-31°F (-35°C) 50 50
-49°F (-45°C) 60 40
Ambient
Temperature Mixture Percentage (volume)
Antifreeze Water

7-29
Maintenance07
Changing the coolant
Have coolant changed by an author-
ized EQUUS dealer in accordance
with the Maintenance Schedule, as
specified in the beginning of this
chapter.
Cover a thick cloth around the
radiator cap, before refilling the
coolant, in order to prevent the
coolant spillage over the engine
parts, such as the generator.
NOTICE
OVI075005N
Radiator cap
Do not remove the radiator cap,
when the engine and radiator
are hot. Hot coolant and steam
may blow out under pressure
and burn your skin, causing a
serious injury.
WARNING
- Coolant
Do not fill the radiator coolant or antifreeze in the washer
fluid reservoir.
Radiator coolant may obscure your visibility, when sprayed
on the windshield. This may
cause loss of vehicle control,
or damage the paint and body
trim.
WARNING