2004 KIA Optima REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

Auto Parts Search


2004 KIA Optima CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT KIA REPAIR SHOPS DON'T WANT YOU TO KNOW

Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!

Help me findSearch

Select Section

Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 KIA Optima car and truck repair procedures including KIA engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your KIA Optima automobile. Try the Automotix DIY solution today!
DIY REPAIR SAMPLES > CONTINUE EXPLORING >
Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for KIA mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2004 KIA Optima vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

A/C & HEATER SERVICE PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Kia -> Automatic Temperature Control System Diagnosis & Testing -> Diagnosis & Testing -> A/C Relay -> Accessing Diagnostic Trouble Codes -> Amanti -> Ambient Temperature Sensor -> Blower Motor -> Blower, Condenser Fan & HI Blower Relays -> Clearing Trouble Codes -> Component Tests -> Diagnostic Trouble Code Interpretation -> Evaporator Temperature Sensor -> Front -> Humidity Sensor -> In-Vehicle Sensor -> Less Scan Tool -> Optima -> Optima & Sorento -> Photo Sensor -> Rear -> Sedona -> Sorento -> Spectra -> Temperature Door Actuator -> Thermostatic Switch -> With Scan Tool
Vehicle: 2004 KIA Optima 2.7 V6 GAS

Accessing Diagnostic Trouble Codes

Amanti

Connect a suitably programed scan tool to the DLC connector, located under the lefthand side of the instrument panel to the lefthand side of the steering column, then follow the scan tool manufacturer's instructions.

Sorento
  • Turn ignition switch to On position.
  • Set temperature control to 77°F.
  • Press Mode S/W more than three times within five seconds.
  • All display graphics will illuminate and blink two times within 1/2 second, then self diagnosis begins.
  • DTC codes will be di...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima A/C & HEATER SERVICE PROCEDURES

FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Kia -> Fuel Filter Replacement -> 2001-04 Optima Except 2.7L Engine -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 2004 KIA Optima 2.4 L4 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur.

Fuel System Pressure Relief

  • Start the engine and allow to idle.
  • Disconnect the fuel pump assembly e...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima FUEL FILTER REPLACEMENT PROCEDURES

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

CV AXLE SHAFT, Replace -> Front
Vehicle: 2004 KIA Optima 2.4 L4 GAS

Front

  • Raise and support vehicle and support it with safety stands in proper locations.
  • Remove wheel nuts and front wheels.
  • Remove split pin and driveshaft castle nut and washer from front hub.
  • Remove ball joint assembly mounting bolt from steering knuckle.
  • Disconnect driveshaft from axle hub using plastic hammer.
  • Remove bearing and bracket assembly.
  • Push front hub assembly outward and separate driveshaft from hub assembly.
  • Insert suitable tool between transaxle case and driveshaft assembly, then separate driveshaft from transaxle assembly. Always use care not to damage trans...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Starter, Replace
Vehicle: 2004 KIA Optima 2.4 L4 GAS

  • Disconnect battery ground cable.
  • Apply parking brake.
  • Disconnect speedometer sensor electrical connector.
  • Disconnect transaxle control cable.
  • Disconnect starter electrical connectors.
  • Remove ...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima STARTER & ALTERNATOR REPLACEMENT PROCEDURES

CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Cabin Air Filter Service -> Kia -> 2004-05 Optima
Vehicle: 2004 KIA Optima 2.4 L4 GAS

Under normal operating conditions the cabin air filter should be replaced every 9,320 miles. In dusty areas change the cabin air filter more often.

  • Open glove compartment.
  • Lower glove compartment door down by pushing side surface of glove compartment, Fig. .
  • Remove damper strap from hole and then lower gl...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

MAINTENANCE LAMP RESET PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Kia -> Anti-Lock Brake System Warning Lamp -> Amanti, Optima, Rio, Sedona, Sorento & Spectra
Vehicle: 2004 KIA Optima 2.7 V6 GAS

The Anti-Lock Brake (ABS) System warning lamp, will illuminate for 2-4 seconds when the ignition switch is placed in the on position to indicate the warning lamp is operational. The lamp should go off after the 2-4 seconds has elapsed. If the warning lamp remain...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima MAINTENANCE LAMP RESET PROCEDURES

RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Radiator, Replace
Vehicle: 2004 KIA Optima 2.4 L4 GAS

  • Drain coolant into a suitable container.
  • Disconnect cooling fan motor electrical connectors.
  • Disconnect radiator upper and lower hoses.
  • Disconnect coolant reservoir hose at radiator.
  • On models equipped with automatic trans...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima RADIATOR & HOSE REPLACEMENT PROCEDURES

SERPENTINE BELT SERVICE PROCEDURES FOR 2004 KIA Optima AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2004 KIA Optima 2.7 V6 GAS

  • Rotate or lift belt tensioner arm counterclockwise, using a suitable tool to relieve tension...

CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima SERPENTINE BELT SERVICE PROCEDURES

COMPONENT LOCATION DIAGRAMS FOR 2004 KIA Optima AUTOMOBILES

Component location diagrams for most 2004 KIA Optima cars and light trucks sold in the U.S. from 1990+.

Fuel Components Diagram for 2004 KIA Optima  2.4 L4 GASFuel Components Diagram for 2004 KIA Optima 2.4 L4 GAS

Components on diagram:
  • Manifold Absolute Pressure Sensor
  • EGR Solenoid Valve
  • EGR Valve
  • EVAP Canister Purge Solenoid Valve
  • Catalytic Converter
  • Steering Column Components Diagram for 2004 KIA Optima  2.4 L4 GASSteering Column Components Diagram for 2004 KIA Optima 2.4 L4 GAS

    Components on diagram:
  • Clock Spring
  • Steering Wheel
  • DAB Module
  • CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2004 KIA Optima AUTOMOBILES

    OEM drawn wiring diagrams for most 2004 KIA Optima cars and light trucks sold in the U.S.

    2004 KIA Optima  2.4 L4 GAS Wiring Diagram2004 KIA Optima 2.4 L4 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Power Seat Adjuster Switch
  • Power Seat Reclining Adjuster
  • Power Seat Slide Adjuster
  • Power Seat Slide Adjuster Limit Switch
  • 2004 KIA Optima  2.7 V6 GAS Wiring Diagram2004 KIA Optima 2.7 V6 GAS Wiring Diagram

    Components on diagram:
  • Trunk Lid Solenoid
  • Battery
  • Ignition Switch
  • Trunk Lid Relay
  • Fuel Lid Actuator
  • CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2004 KIA Optima AUTOMOBILES

    OEM TSB listings for most 2004 KIA Optima cars and light trucks sold in the U.S. from 1985+.

    Document: Torque Specifications on "Torque to Yield" Engine Component Bolts
    Vehicle: 2004 KIA Optima 2.4 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: 2001-2005 Optima (MS) Subframe Revised Service Procedure (General Information - 026)
    Vehicle: 2004 KIA Optima 2.4 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2004 KIA Optima AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 KIA Optima cars and light trucks sold in the U.S. and Canada from 1970+.

    • Brake caliper mounting bolt torque
    • Brake drum runout, machining, & discard specs
    • Minimum brake lining thickness.
    • Brake rotor runout, parallelism, machining, discard, & finish specs

    A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2004 KIA Optima cars and light trucks sold in the U.S. and Canada from 1980+.

    • Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap

    COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.

    PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules

    QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2004 KIA Optima cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.

    • Automatic transmission/transaxles capacities, lubricant recommendations
    • Differential/final drive capacities, lube recommendations, grades, & viscosities
    • Final drive fill & drain plug torques
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
    • Number of lubrication fittings & plugs
    • Power steering, brake, & clutch fluid recommendations
    • Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
    • Severe service maintenance & interval recommendations
    • Tire sizes, wheel nut/bolt torque, pressures & rim sizes
    • Transfer case capacities, lube recommendations, grades, & viscosities

    TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2004 KIA Optima cars and light trucks sold in the U.S. and Canada from 1980+

    • Airflow sensor electrical specifications
    • Tensioning specifications for systems with automatic tensioners
    • Barometric pressure sensor specs
    • Battery group number and cranking performance
    • Crankshaft & camshaft position sensor resistance
    • Engine compression pressures
    • Coolant temperature sensor specs
    • Computer advance.
    • Diesel fuel temperature sensor resistance.
    • Distributor advance specifications
    • Ignition pickup coil resistance
    • Exhaust gas recirculation temperature sensor resistance
    • Engine fastener torque values
    • Firing order diagrams
    • Fuel system pressures
    • Generator (alternator) specs
    • Intake air temperature sensor specs
    • Ignition coil specifications
    • Fuel injector resistance
    • Engine idle speeds
    • Knock sensor resistance
    • Manifold absolute pressure sensor specs
    • Mixture control solenoid resistance
    • Voltage regulator specs
    • Spark plug applications & gaps
    • Starter motor electrical specs.
    • Tensioning specifications for systems without automatic tensioners
    • Throttle body temperature sensor resistance
    • Ignition timing in degrees at rpm
    • Transmission oil temperature sensor resistance
    • Throttle position sensor specs
    • Vacuum sensor valve specs

    CLICK HERE TO GET FULL ACCESS TO 2004 KIA Optima SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2001 KIA Optima Mirror, Driver Side, Manual folding; Corner mount type; Includes 5-prong connector; A high quality, direct fit OE replacement mirror; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $87.96

    Click here to view more details about 2006 KIA Optima Tail Light, Driver Side2006 KIA Optima Tail Light, Driver Side, Bulbs included; DOT and SAE approved; A high quality, OE replacement tail light assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $92.33

    Click here to view more details2006 Kia Optima 15" x 6" Steel Wheel, Steel Wheel; 15 X 6; 46MM Offset; 12 Holes; 4 Lug; 4.5 Inch BP; New Replica; Black, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $120.50

    Click here to view more details2002 KIA Optima V6, 2.7 L, 2700 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    Ad Hoc

    Click here to view more details2001 Kia Optima Used Parking Lamp, Driver Side, KI2592103, Very Good.

    Source: Used Auto Parts Store

    $76.00

    Click here to view more details2004 Kia Optima Used Bumper Bar, Front, 4DR, White, LX W/FOAM, Very Good.

    Source: Used Auto Parts Store

    $153.00
    More parts
    Help me findSearch
    Auto Repair Quick Search
    Help me find
    Search DIY repair manuals by VIN...
    Vehicle Identification Number is a unique serial number used by the automotive industry to identify individual motor vehicles

    Find out what info we have for your vehicle

    Get the Complete Technical Service Bulletins!
    Get the Complete Technical Service Bulletins!Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 2004 KIA Optima vehicle.
    Access the Complete guide!
    Need To Fix Your Car or Truck?
    Save Money With Free Car Insurance Quote
    FREE car insurance quote
    Enter Zip Code:
    Auto Repair Quick Search
    Help me find