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2003 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 2003 Hyundai Sonata AUTOMOBILES
Hyundai -> Component Replacement & Adjustment -> Water Pump, Replace
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS
- Drain coolant into a suitable container.
- Disconnect radiator outlet and water bypass hoses from water pump.
- Remove drive belt, then the water pump pulley.
- Remove timing belt covers and tensioner as outlined in "Timing Belt, Replace."
- Remove water pump mounting bolts, then the alternator brace.
- Remove water pump assembly.
- Reverse procedure to install, noting the following:
- Clean ...
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BRAKE SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
Hyundai -> Hydraulic Brake Systems -> Component Service -> Master Cylinder Overhaul
Vehicle: 2003 Hyundai Sonata 2.7 V6 GAS
Master Cylinder Overhaul
- Remove reservoir cap, drain brake fluid into a suitable container, then remove reservoir from master cylinder, Figs. through .
- Remove snap ring while depressing piston with a blunt tool. If required, secure master cylinder in a suitable soft jawed vise.
- On all models except Santa Fe, Sonata, Tucson & XG 350 models, remove primary and secondary pistons from master cylinder body. Do not disassemble primary and secondary pistons.
- On Santa Fe...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
Hyundai -> Fuel Filter Scheduled Maintenance -> 1990-06 Excel & Sonata -> Normal Service -> Severe Service
Vehicle: 2003 Hyundai Sonata 2.4 L4 GAS
Normal Service
Replace every 5...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
CV AXLE SHAFT, Replace -> Front
Vehicle: 2003 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 2003 Hyundai Sonata AUTOMOBILES
Starter, Replace
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Disconnect speedometer and shift cables.
- Disconnect starter motor electrical conn...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
Cabin Air Filter Service -> Hyundai -> 1999-2003 Sonata
Vehicle: 2003 Hyundai Sonata 2.7 V6 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 the glove compartment.
- Press inward at both sides of the glove compartment, then lower the glove compartment.
- Remove the lower side instrument panel crash trim pad.
- Remove the four glove compartment upper cover retaining screws, then the cover.
- Remove the two glove compartment retaining bolts, then the glove compartment.
- Press on the cabin air filter cover tab, then re...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
Hyundai -> Electronic Stability Control (ESC) Warning Lamp ->
Vehicle: 2003 Hyundai Sonata 2.7 V6 GAS
The ESC warning lamp is used to warn of a system fault. It will be lit when the ignition switch is placed in the on position, but should go out when the self-diagnostic system determines that the system is functioning properly. The lamp will flash when the ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 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 2003 Hyundai Sonata AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 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 2003 Hyundai Sonata AUTOMOBILES
Component location diagrams for most 2003 Hyundai Sonata cars and light trucks sold in the U.S. from 1990+.
Body Components Diagram for 2003 Hyundai Sonata 2.4 L4 GAS Components on diagram: |
Engine Compartment Diagram for 2003 Hyundai Sonata 2.4 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Hyundai Sonata AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Hyundai Sonata cars and light trucks sold in the U.S.
2003 Hyundai Sonata GLS 2.7 V6 GAS Wiring Diagram Components on diagram: |
2003 Hyundai Sonata 2.7 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Hyundai Sonata AUTOMOBILES
OEM TSB listings for most 2003 Hyundai Sonata cars and light trucks sold in the U.S. from 1985+.
Document: ALARM SELF ACTIVATES - HOOD SWITCH PAD REPLACEMENT Vehicle: 2003 Hyundai Sonata 2.4 L4 GAS |
Document: AUTOMATIC TRANSAXLE DIAGNOSTIC TROUBLE CODES P0715, P0716, P0717, P0720, P0721 & P0722 Vehicle: 2003 Hyundai Sonata 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Hyundai Sonata AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 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 2003 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 2003 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 2003 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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