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1998 KIA Sephia CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT KIA REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 1998-2000
Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Power Brake Units -> Power Brake Unit Service -> Replacement
Vehicle: 1998 KIA Sephia 1.8 L4 GAS
Replacement
- Remove master cylinder as outlined in "Hydraulic Brake Systems."
- Remove power brake unit in numbered sequence, Fig. .
- Reverse procedure to install, noting the following:
- Inspect all...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Kia -> Fuel Filter Replacement -> 1998-03 Sephia, Spectra w/4 cylinder engine and 1999-02 Sportage -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1998 KIA Sephia LS 1.8 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 electrical connector.
- Let the en...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 1998 KIA Sephia 1.8 L4 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove drain plug and drain transaxle fluid into suitable container.
- Remove wheel nuts and front wheels.
- Remove driveshaft cotter pin, castle nut and washer from front hub.
- Disconnect tie rod end ball joint from steering knuckle using suitable tool.Do not damage dust cover or oil seal.
- Loosen and remove bolt from knuckle and disconnect ball joint from knuc...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Starter, Replace
Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS
- Disconnect battery ground cable.
- Remove intake manifold bracket.
- Disconnect starter electrical connectors.
- Remove starter mou...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Kia -> Malfunction Indicator Lamp (MIL) ->
Vehicle: 1998 KIA Sephia 1.8 L4 GAS
The MIL will be illuminated when the ignition switch is in the On position and the engine is not running. When the engine is started, the lamp should go off. If it remains lit, a diagnostic trouble code has been stored.On models less OBD II, after diagnosis and repair are complete, place ignition switch in off position, then clear stored diagnostic trouble codes by disconnecting the battery ground cable for at least 20 seconds. On models equipped with OBD II, following diagnosis and repair of the system, the lamp may be turned off using a suita...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Radiator, Replace
Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS
- Drain coolant into a suitable container.
- Remove radiator ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 KIA Sephia AUTOMOBILES
Serpentine Drive Belt, Replace -> Air Conditioning and Power Steering -> Alternator and Water Pump
Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS
Alternator and Water Pump
- Disconnect battery ground cable from battery.
- Loosen alternator upper lock bolt.
- Loosen lower mounting nut.
- Push alternator inward toward engine.
- Remove alternator drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install.
Air Condition...
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COMPONENT LOCATION DIAGRAMS FOR 1998 KIA Sephia AUTOMOBILES
Component location diagrams for most 1998 KIA Sephia cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1998 KIA Sephia AUTOMOBILES
OEM drawn wiring diagrams for most 1998 KIA Sephia cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 KIA Sephia AUTOMOBILES
OEM TSB listings for most 1998 KIA Sephia cars and light trucks sold in the U.S. from 1985+.
Document: Enhanced Dealer Feedback and Digital Camera Requirements to Support Kia Quality Initiatives Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS Auto Systems: |
Document: KIA MOTORS "TECH TIMES" PRINT EDITION MOVES EXCLUSIVELY TO "ON LINE" Vehicle: 1998 KIA Sephia LS 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 KIA Sephia AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 KIA Sephia 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 1998 KIA Sephia 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 1998 KIA Sephia 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 1998 KIA Sephia 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
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