2013 KIA Optima Hybrid engine

Maintenance
14
7
NORMAL MAINTENANCE SCHEDULE (CONT.)
168,000 km or 84 months
❑ Inspect air cleaner filter
❑Inspect air conditioning refrigerant
❑Inspect brake hoses and lines
❑Inspect drive shafts and boots
❑Inspect exhaust pipe and muffler
❑Inspect front brake disc/pads, calipers and rotors
❑Inspect HSG belt (168,000 km or 168 months)
❑ Inspect rear brake disc/pads
❑Inspect steering gear box, linkage & boots/lower arm ball
joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑Inspect vacuum hose
❑Inspect W/pump belt (auto-tensioner, HSG, w/pump)
(First, 96,000 km or 72 months after every 24,000 km or
24 months)
❑ Inspect inverter coolant hose
❑Replace climate control air filter
(for evaporator and blower unit)
❑Replace engine oil and filter (168,000 km or 168 months)
❑ Replace spark plugs (iridium coated)
❑Add fuel additive *1 (Every 12,000 km or 12 months)
180,000 km or 90 months
❑ Inspect air cleaner filter
❑Inspect HSG belt (180,000 km or 180 months)
❑ Inspect vacuum hose
❑Replace engine oil and filter (180,000 km or 180 months)
❑Add fuel additive *1 (Every 12,000 km or 12 months)
*1: If TOP TIER Detergent Gasoline is not available, one bottle of addi-
tive is recommended. Additives are available from your authorized
Kia dealer along with information on how to use them. Do not mix
other additives.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

15
Maintenance
NORMAL MAINTENANCE SCHEDULE (CONT.)
192,000 km or 96 months
❑Inspect air conditioning refrigerant
❑Inspect brake fluid
❑Inspect brake hoses and lines
❑Inspect drive shafts and boots
❑Inspect exhaust pipe and muffler
❑Inspect front brake disc/pads, calipers and rotors
❑Inspect fuel filter *1
❑Inspect fuel lines, fuel hoses and connections
❑Inspect fuel tank air filter (if equipped) *1
❑Inspect parking brake
❑Inspect rear brake disc/pads
❑Inspect steering gear box, linkage & boots/lower arm ball
joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑Inspect vacuum hose
❑Inspect vapor hose and fuel filler cap
❑Inspect valve clearance *2
❑Inspect W/pump belt (auto-tensioner, HSG, w/pump)
(First, 96,000 km or 72 months after every 24,000 km or
24 months)
❑ Inspect inverter coolant hose
❑ Replace air cleaner filter
❑Replace climate control air filter
(for evaporator and blower unit)
(Continued)
(Continued)
❑Replace engine coolant (First, 192,000 km or 120 months
after every 48,000 km or 24 months)
❑Replace inverter coolant (First, 192,000 km or 120 months
after every 48,000 km or 24 months)
❑Replace engine oil and filter (192,000 km or 192 months)
❑Replace HSG belt (192,000 km or 96 months)
❑Add fuel additive *3 (Every 12,000 km or 12 months)
*1: Fuel filter & Fuel tank air filter are considered to be maintenance
free but periodic inspection is recommended for this maintenance
schedule depends on fuel quality. If there are some important safe-
ty 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 Kia dealer for
details.
*
2: Inspect for excessive tappet noise and/or engine vibration and adjust if necessary.
*
3: If TOP TIER Detergent Gasoline is not available, one bottle of addi- tive is recommended. Additives are available from your authorized
Kia dealer along with information on how to use them. Do not mix
other additives.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.
7

Maintenance
16
7
NORMAL MAINTENANCE SCHEDULE (CONT.)
216,000 km or 108 months
❑ Inspect air cleaner filter
❑Inspect vacuum hose
❑Inspect air conditioning refrigerant
❑Inspect brake hoses and lines
❑Inspect drive shafts and boots
❑Inspect exhaust pipe and muffler
❑Inspect front brake disc/pads, calipers and rotors
❑Inspect HSG belt (216,000 km or 216 months)
❑ Inspect rear brake disc/pads
❑Inspect steering gear box, linkage & boots/lower arm ball
joint, upper arm ball joint
❑ Inspect suspension mounting bolts
(Continued)
228,000 km or 114 months
❑Inspect air cleaner filter
❑Inspect HSG belt (228,000 km or 228 months)
❑ Inspect vacuum hose
❑Replace engine oil and filter (228,000 km or 228 months)
❑Add fuel additive *1 (Every 12,000 km or 12 months)
204,000 km or 102 months
❑ Inspect air cleaner filter
❑Inspect HSG belt (204,000 km or 204 months)
❑ Inspect vacuum hose
❑Replace engine oil and filter (204,000 km or 204 months)
❑Add fuel additive *1 (Every 12,000 km or 12 months)
(Continued)
❑ Inspect W/pump belt (auto-tensioner, HSG, w/pump)
(First, 96,000 km or 72 months after every 24,000 km or
24 months)
❑ Inspect inverter coolant hose
❑Replace climate control air filter
(for evaporator and blower unit)
❑Replace engine oil and filter (216,000 km or 216 months)
❑Add fuel additive *1 (Every 12,000 km or 12 months)
*1: If TOP TIER Detergent Gasoline is not available, one bottle of addi-
tive is recommended. Additives are available from your authorized
Kia dealer along with information on how to use them. Do not mix
other additives.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

717
Maintenance
240,000 km or 120 months
❑Inspect air conditioning refrigerant
❑Inspect brake fluid
❑Inspect brake hoses and lines
❑Inspect drive shafts and boots
❑Inspect exhaust pipe and muffler
❑Inspect front brake disc/pads, calipers and rotors
❑Inspect fuel filter *1
❑Inspect fuel lines, fuel hoses and connections
❑Inspect fuel tank air filter (if equipped) *1
❑Inspect HSG belt (240,000 km or 240 months)
❑ Inspect parking brake
❑Inspect rear brake disc/pads
❑Inspect steering gear box, linkage & boots/lower arm ball
joint, upper arm ball joint
❑ Inspect suspension mounting bolts
❑Inspect vacuum hose
❑Inspect vapor hose and fuel filler cap
❑Inspect W/pump belt (auto-tensioner, HSG, w/pump)
(First, 96,000 km or 72 months after every 24,000 km or
24 months)
❑ Inspect inverter coolant hose
❑Replace climate control air filter
(for evaporator and blower unit)
❑ Replace air cleaner filter
(Continued)
(Continued)
❑Replace engine oil and filter (240,000 km or 240 months)
❑Replace engine coolant (First, 192,000 km or 120 months
after every 48,000 km or 24 months)
❑Replace inverter coolant (First, 192,000 km or 120 months
after every 48,000 km or 24 months)
❑Add fuel additive *2 (Every 12,000 km or 12 months)
NORMAL MAINTENANCE SCHEDULE (CONT.)
No check, No service required
❑ Automatic transaxle fluid
*1: Fuel filter & Fuel tank air filter are considered to be maintenance
free but periodic inspection is recommended for this maintenance
schedule depends on fuel quality. If there are some important safe-
ty 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 Kia dealer for
details.
*
2: If TOP TIER Detergent Gasoline is not available, one bottle of addi- tive is recommended. Additives are available from your authorized
Kia dealer along with information on how to use them. Do not mix
other additives.
❈ Inspect : Inspect and if necessary, adjust, correct, clean or replace.

Maintenance
18
7
MAINTENANCE UNDER SEVERE USAGE CONDITIONS
SEVERE DRIVING CONDITIONS
A - Repeatedly driving short distance of less than 8 km in normal tempera-
ture or less than 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 salt- spread roads
D - Driving in areas using salt or other corrosive materials or in very cold weather
E - Driving in sandy areas F - Driving in heavy traffic area over 32°C (90°F)
G - Driving on uphill, downhill, or mountain road
H - Towing a Trailer, or using a camper, or roof rack
I - Driving as a patrol car, taxi, other commercial use or vehicle towing
J - Driving over 170 km/h (106 mph)
K - Frequently driving in stop-and-go conditions
L - Frequently driving in rainy areas
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 neces\
sary
MAINTENANCE ITEMMAINTENANCE
OPERATIONMAINTENANCE INTERVALSDRIVING CONDITION
ENGINE OIL AND FILTERREVERY 6,000 KM OR 6 MONTHSA, B, C, D, E, F, G, H, I, K
AIR CLEANER FILTERRMORE FREQUENTLYC, E
SPARK PLUGSRMORE FREQUENTLYB, H
AUTOMATIC TRANSAXLE FLUIDREVERY 96,000 KMA, C, E, F, G, I
HSG BELTREVERY 48,000 KM or 24 MONTHS C, D, E, K, L
IEVERY 6,000 KM or 6 MONTHS C, D, E, K, L
FRONT BRAKE DISC/PADS, CALIPERSIMORE FREQUENTLYC, D, G, H
REAR BRAKE DISC/PADSIMORE FREQUENTLYC, D, G, F
PARKING BRAKEIMORE FREQUENTLYC, D, G, H
STEERING GEAR BOX, LINKAGE & BOOTS/
LOWER ARM BALL JOINT, UPPER ARM BALL
JOINTIEVERY 12,000 KM OR 6 MONTHSC, D, E, F, G, H, I
DRIVE SHAFTS AND BOOTSIMORE FREQUENTLYC, D, E, F, G, H, I, J
CLIMATE CONTROL AIR FILTER
(FOR EVAPORATOR AND BLOWER UNIT)RMORE FREQUENTLYC, E

719
Maintenance
EXPLANATION OF SCHEDULED MAINTENANCE ITEMS
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.
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 for
proper tension and adjusted as neces-
sary.
Fuel filter
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 authorized Kia dealer.
Fuel lines, fuel hoses and con-
nections
Check the fuel lines, fuel hoses and con-
nections for leakage and damage. Have
an authorized Kia dealer replace any
damaged or leaking parts immediately.
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
that a new vapor hose or fuel filler cap is
correctly replaced.
Vacuum hose and crankcase ven-
tilation hoses
Inspect the surface of hoses for evidence
of heat and/or mechanical damage. Hard
and brittle rubber, cracking, tears, cuts,
abrasions, and excessive swelling indi-
cate deterioration. 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 contact with
any heat source, sharp edges or moving
component which might cause heat dam-
age or mechanical wear. Inspect all hose
connections, such as clamps and cou-
plings, to make sure they are secure, and
that no leaks are present.
Hoses should be replaced immediately if
there is any evidence of deterioration or
damage.

Maintenance
20
7
Air cleaner filter
A Genuine Kia air cleaner filter is recom-
mended 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 necessary.
An authorized Kia dealer should perform
the operation.
Cooling system
Check cooling system components, such
as radiator, coolant reservoir, hoses and
connections for leakage and damage.
Replace any damaged parts.
Coolant
The engine and inverter coolant should
be changed at the intervals specified in
the maintenance schedule.
Automatic transaxle fluid
Automatic transaxle fluid should not be
checked under normal usage conditions.
But in severe conditions, the fluid should
be changed at an authorized Kia dealer
in accordance to the scheduled mainte-
nance at the beginning of this chapter.
✽ ✽
NOTICE
Automatic transaxle fluid color is basi-
cally red.
As the vehicle is driven, the automatic
transaxle fluid will begin to look darker.
This is a normal condition and you
should not judge the need to replace the
fluid based upon the changed color.
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 brake fluid level in the brake fluid
reservoir. The level should be between
“MIN” and “MAX” marks on the side of
the reservoir. Use only hydraulic brake
fluid conforming to DOT 3 or DOT 4
specification.
Parking brake
Inspect the parking brake system includ-
ing the parking brake pedal and cables.

721
Maintenance
Brake discs, pads, calipers and
rotors
Check the pads for excessive wear, discs
for run out and wear, and calipers for fluid
leakage.
Exhaust pipe and muffler
Visually inspect the exhaust pipes, muf-
fler 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.
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 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 nec-
essary, repack the grease.
Air conditioning refrigerant
Check the air conditioning lines and con-
nections for leakage and damage.