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2004 Hyundai Sonata CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hyundai 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
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Import Compressor Service -> Ford (Halla) Compressor -> Shaft Seal -> Assemble -> Disassemble
Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS
Disassemble
- Remove clutch hub from compressor.
- Remove shaft seal from top of compressor with pick type tool.
- Remove shaft seat retaining snap ring from compressor shaft with snap ring remover tool.
- Position shaft seal remover tool over compressor shaft and push tool into nose of compressor and down against shaft seal. Engage end of tool with internal diameter of shaft seal. While holding hex part of tool, turn tool handle clockwise to expand tool tip inside seal inner radius. Then pull shaft seal from compressor.
Assemble
- Install a cl...
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BRAKE SERVICE PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Hyundai -> Drum Brakes -> Tightening Specifications
Vehicle: 2004 Hyundai Sonata 2.7 V6 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Hyundai -> Component Locations -> 1994-06 Sonata, XG300 & XG350
Vehicle: 2004 Hyundai Sonata GLS 2.7 V6 GAS
Refer...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2004 Hyundai Sonata 2.7 V6 GAS
Front
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Remove drain plug and drain transaxle fluid into suitable container.
- Remove split pin and driveshaft castle nut and washer from front hub.
- Remove two bolts and disconnect ball joint from knuckle.
- Disconnect driveshaft from axle hub using plastic hammer.
- Insert suitable tool between transaxle case and driveshaft assembly, then separate driveshaft from transaxle assembly. Always use care not to damage transaxle and joint asse...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Alternator, Replace
Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS
Refer to Fi...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Cabin Air Filter Service -> Hyundai -> 2004-05 Sonata
Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 12,000 miles. In dusty areas change the cabin air filter more often.
- Open glove compartment, pull downward pressing in on b...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Hyundai -> Check Engine/Malfunction Indicator Lamp (MIL) Lamp ->
Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS
The Check Engine/MIL lamp will be illuminated for approximately 5 seconds when the ignition switch is placed in the On position without starting the engine. When the engine is started, the lamp should go out. If it remains lit, a diagnostic trouble code has been stored by the electronic control system. On models less OBD II, after diagnosis and repair are complete, place ignition switch in Off position, then clear diagnostic trouble codes by disconnecting the battery ground cable or the ECM connector for at least 15 seconds. On models equipped with OBD II, following diagnosis ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Hyundai Sonata AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Hyundai Sonata GLS 2.7 V6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Hyundai Sonata AUTOMOBILES
Component location diagrams for most 2004 Hyundai Sonata cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Hyundai Sonata AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Hyundai Sonata cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Hyundai Sonata AUTOMOBILES
OEM TSB listings for most 2004 Hyundai Sonata cars and light trucks sold in the U.S. from 1985+.
Document: ALARM SELF ACTIVATES - HOOD SWITCH PAD REPLACEMENT Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS |
Document: GUIDELINES AND TORQUE SPECIFICATIONS OF ENGINE FASTENERS USING THE TORQUE-ANGLE METHOD Vehicle: 2004 Hyundai Sonata 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Hyundai Sonata AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Hyundai Sonata 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 Hyundai Sonata 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 Hyundai Sonata 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 Hyundai Sonata 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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