cooling Hyundai Santa Fe 2018 User Guide

75
Maintenance
Owner maintenance precau-
tions
Improper or incomplete service may
result in problems. This section gives
instructions only for the maintenance
items that are easy to perform.
As explained earlier in this section,
several procedures can be done only
by an authorized HYUNDAI dealer
with special tools.
✽ ✽NOTICE
Improper owner maintenance dur-
ing the warranty period may affect
warranty coverage. For details, read
the separate Owner's Handbook &
Warranty Information booklet pro-
vided with the vehicle. If you're
unsure about any servicing or main-
tenance procedure, have it done by
an authorized HYUNDAI dealer.
WARNING- Maintenance
work
• Performing maintenance work on a vehicle can be danger-
ous. You can be seriously
injured while performing some
maintenance procedures. If
you lack sufficient knowledge
and experience or the proper
tools and equipment to do the
work, have it done by an
authorized HYUNDAI dealer.
Working under the hood with the engine running is danger-
ous. It becomes even more
dangerous when you wear
jewelry or loose clothing.
These can become entangled
in moving parts and result in
injury. Therefore, if you must
run the engine while working
under the hood, make certain
that you remove all jewelry
(especially rings, bracelets,
watches, and necklaces) and
all neckties, scarves, and sim-
ilar loose clothing before get-
ting near the engine or cooling
fans.

727
Maintenance
Vacuum crankcase ventilation
hoses (if equipped)
Inspect the surface of hoses for evi-
dence of heat and/or mechanical
damage. Hard and brittle rubber,
cracking, tears, cuts, abrasions, and
excessive swelling indicate deterio-
ration. Particular attention should be
paid to examine those hose surfaces
nearest to high heat sources, such
as the exhaust manifold.
Inspect the hose routing to assure
that the hoses do not come in con-
tact with any heat source, sharp
edges or moving component which
might cause heat damage or
mechanical wear. Inspect all hose
connections, such as clamps and
couplings, to make sure they are
secure, and that no leaks are pres-
ent. Hoses should be replaced
immediately if there is any evidence
of deterioration or damage.
Air cleaner filter
A Genuine HYUNDAI air cleaner fil-
ter is recommended when the filter is
replaced.
Spark plugs
Make sure to install new spark plugs
of the correct heat range.
Valve clearance
Inspect excessive valve noise and/or
engine vibration and adjust if neces-
sary. An authorized HYUNDAI dealer
should perform the operation.
Cooling system
Check the cooling system parts,
such as radiator, coolant reservoir,
hoses and connections for leakage
and damage. Replace any damaged
parts.
Coolant
The coolant should be changed at
the intervals specified in the mainte-
nance schedule.

Maintenance
32
7
ENGINE COOLANT
The high-pressure cooling system
has a reservoir filled with year-round
antifreeze coolant. The reservoir is
filled at the factory.
Check the antifreeze protection and
coolant concentration level at least
once a year, at the beginning of the
winter season, and before traveling
to a colder climate.
Checking the coolant level
(Continued)
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 turn it
counterclockwise slowly to
the first stop. Step back while
the 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 counterclockwise to
remove it.
Even if the engine is not oper- ating, do not remove the radi-
ator cap or the drain plug
while the engine and radiator
are hot. Hot coolant and
steam may still blow out
under pressure, causing seri-
ous injury.WARNING
The electric motor
(cooling fan) is con-
trolled by engine
coolant temperature,
refrigerant pressure
and vehicle speed. It may some-
times operate even when the
engine is not running. Use
extreme caution when working
near the blades of the cooling
fan so that you are not injured
by a rotating fan blades. As the
engine coolant temperature
decreases, the electric motor
will automatically shut off. This
is a normal condition.
If your vehicle is equipped with
GDI, the electric motor (cooling
fan) may operate until you dis-
connect the negative battery
cable.
WARNING
Removing radiator
cap
Never attempt to remove the radiator cap while the engine
is operating or hot. Doing so
might lead to cooling system
and engine damage and could
result in serious personal
injury from escaping hot
coolant or steam.
(Continued)

733
Maintenance
Check the condition and connections
of all cooling system hoses and
heater hoses. Replace any swollen
or deteriorated hoses.
The coolant level should be filled
between F (MAX) and L (MIN) marks
on the side of the coolant reservoir
when the engine is cool.
If the coolant level is low, add enough
distilled (deionized) water. Bring the
level to F (MAX), but do not overfill.
If frequent coolant refill is required,
see an authorized HYUNDAI dealer
for a cooling system inspection.
Recommended engine coolant
When adding coolant, use onlydeionized water for your vehicle
and never mix hard water in the
coolant filled at the factory. An
improper coolant mixture can
result in serious malfunction or
engine damage.
The engine in your vehicle has alu- minum engine parts and must be
protected by an ethylene-glycol-
based coolant to prevent corrosion
and freezing.
DO NOT USE alcohol or methanol coolant or mix them with the spec-
ified coolant.
Do not use a solution that contains more than 60% antifreeze or less
than 35% antifreeze, which would
reduce the effectiveness of the
solution. For mixture percentage, refer to the
following table.
ODM073006
Ambient
Temperature Mixture Percentage
(volume)
Antifreeze Water
5°F (-15°C) 35 65
-13°F (-25°C) 40 60
-31°F (-35°C) 50 50
-49°F (-45°C) 60 40

773
Maintenance
Relay NO.Relay NameRelay Type
E30POWER OUTLET RELAYISO MICRO
E31START RELAYISO MICRO
E32FRONT DEICER RELAYISO MICRO
E33BLOWER RELAYISO MICRO
E34WIPER LO RELAYISO MICRO
E36ACC RELAYISO MICRO
E37IG1 RELAYISO MICRO
E38IG2 RELAYISO MICRO
E39COOLING FAN RELAYISO MINI
E40WIPER HI RELAYISO MICRO
E41REAR DEFOGGER RELAYISO MICRO
E42HORN RELAYISO MICRO

Maintenance
74
7
DescriptionFuse ratingProtected Component
MULTI
FUSE
MDPS80AMDPS Unit
2 B+60ASmart Junction Box (IPS 1 (4CH), IPS 2 (1CH), IPS 5 (1CH), Fuse - SUNROOF 1, P/SEAT
PASS, P/SEAT DRV), RR A/CON
BLOWER40ABlower Relay
RR HTD40ARear Defogger Relay
ABS140AESC Module, Multipurpose Check Connector
ABS240AESC Module
C/FAN60ACooling Fan Relay
3 B+60ASmart Junction Box (Fuse - MODULE 1, SMART KEY 4, SUNROOF 2, SMART KEY 1, Leak
Current Autocut Device)
FUSE
4 B+50ASmart Junction Box (IPS 3 (4CH), IPS 6 (2CH), Fuse - F/LID, STOP LAMP, DR LOCK, BRAKE
SWITCH), FUEL LID
ECU40AECU Box
IG140AW/O Smart Key : Ignition Switch, With Smart Key - ACC Relay, IG1 Relay
IG240AStart Relay, IG2 Relay, W/O Smart Key : Ignition Switch
TRAILER30ATrailer Power Outlet
1 B+50ASmart Junction Box (Fuse - S/HEATER RR, S/HEATER FRT, P/WDW RH, P/WDW LH)
HORN15AHorn Relay
DEICER15AFront Deicer Relay
POWER OUTLET25APower Outlet Relay
AC INVERTER30AAC Inverter Module

775
Maintenance
DescriptionFuse ratingProtected Component
FUSE
POWER TAILGATE30APower Tail Gate Module
IDB15AIDB Module
4WD20A4WD ECM
AMS10ABattery Sensor
AMS (WIPER)10ABCM, PCM
WIPER FRT25AWiper LO Relay, Front Wiper Motor
B/UP LAMP10AA/T - Rear Combination Lamp (IN) LH/RH, Electro Chromic Mirror, Audio, A/V & Navigation
Head Unit
ABS37.5AESC Module
5 SENSOR7.5APCM
TCU15AA/T : Transaxle Range Switch
F/PUMP15AFuel Pump Relay
1 ECU 15APCM
2 ECU10AIDB Module
3 SENSOR10AFuel Pump Relay
IGN COIL20ACondenser, Ignition Coil #1/#2/#3/#4
2 SENSOR10APurge Control Solenoid Valve, Variable Intake Solenoid Valve(G4KJ), Oil Control Valve #1/#2
1 SENSOR15AOxygen sensor(#1/#2/#3/#4), PCM, Oxygen Sensor(Down), E/R Fuse & Relay Box (Cooling
Fan Relay)
B/A HORN10ABurgl Aralarm Horn Relay