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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Hyundai Sonata car and truck repair procedures including Hyundai 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 2003 Hyundai Sonata automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Hyundai Sonata

  • 2003 Hyundai Sonata 2.4 L4 GAS, CC:2351, Fuel Injection, Engine VIN:, Desg:S
  • 2003 Hyundai Sonata GLS 2.7 V6 GAS, CC:2656, Fuel Injection
  • 2003 Hyundai Sonata 2.7 V6 GAS, CC:2656, Fuel Injection

A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Hyundai -> Component Replacement & Adjustment -> Dual/Triple Pressure Switch, Replace
Vehicle: 2003 Hyundai Sonata 2.7 V6 GAS

  • Recover refrigerant as outlined in "General Service."
  • On Tiburon models, remove radiator upper grille.
  • On all models, disconnect dual/triple pressure switch ele...

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A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Air Bag System Precautions -> Hyundai -> Disarming
Vehicle: 2003 Hyundai Sonata 2.7 V6 GAS

  • Record preset radio stations. When battery ground cable is disconnected, memory system will be cancelled.
  • Turn ignition to Lock position.
  • Disconnect and isolate battery ground cable.
  • Wait ...

CLICK HERE TO GET FULL ACCESS TO 2003 Hyundai Sonata A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Hyundai -> Component Replacement & Adjustment -> Timing Belt, Replace -> 1.6L Engine -> 2.0L Engine -> 2.4L Engine -> 2.7L Engine -> 3.5L Engine
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS

1.6L Engine

With the timing belt removed, avoid turning the camshaft or crankshaft. If movement is required, exercise extreme caution to avoid valve damage caused by piston contact.

  • Loosen water pump pulley bolts.
  • Loosen alternator adjusting and lock bolts.
  • Loosen crankshaft pulley bolts.
  • Mark running direction, then remove drive belts.
  • Remove water pump and crankshaft pulleys.
  • Remove timing belt upper and lower cover attaching bolts, then the covers.
  • Align crankshaft and camshaft timing marks, Fig. .
  • Loosen timing belt t...

CLICK HERE TO GET FULL ACCESS TO 2003 Hyundai Sonata A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 2003-04 -> Precautions -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Refrigerant Oil -> Safety
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS

Battery Ground Cable

Prior to service disconnect battery ground cable and isolate as required.

Product Compatibility

Refrigerant Oil

Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data," for specifications.

Engine Coolant

Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.

...

CLICK HERE TO GET FULL ACCESS TO 2003 Hyundai Sonata A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 2003 Hyundai Sonata AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Hyundai Sonata cars and light trucks from 1990+

Hyundai -> Automatic Temperature Control System Diagnosis & Testing -> System Diagnosis & Testing -> Accessing Diagnostic Trouble Codes (DTCs) -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation
Vehicle: 2003 Hyundai Sonata GLS 2.7 V6 GAS

Diagnostic Tests

Refer to for procedures

Accessing Diagnostic Trouble Codes (DTCs)

Refer to Figs. and , for accessing DTCs.

Diagnostic Trouble Code ...

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

Click here to view more details about 1998 Hyundai Sonata Radiator1998 Hyundai Sonata Radiator, 15.69 x 26.69 x 1 in. core size, 1.38 in. inlet size, 1.38 in. outlet size, 1.88 x 27.5 in. top header, 1.88 x 27.5 in. bottom header, plastic tanks, aluminum core, top right inlet location, bottom right outlet location; With 15.06 in. transmission oil cooler; Without engine oil cooler; A high quality, direct fit OE replacement radiator..

Source: Auto Body Parts Store

$134.32

Click here to view more details about 2006 Hyundai Sonata Wiper Blade, Front, Driver Side2006 Hyundai Sonata Wiper Blade, Front, Driver Side, 24 in. length, Includes universal plastic adapters and easy to follow installation instructions; This new generation flat blade provides improved wiping capabilities in rain and freezing weather, long lasting durability, an easy to service design using a rubber insert that requires no special tools or high cost items to replace, and a clean appearance from inside the vehicle with the wiper profile neatly conforming to the base of the windshield; Backed by 1-year, unlimited-mileage warranty..

Source: Auto Body Parts Store

$5.12

Click here to view more details2013 Hyundai Sonata 18" x 7.5" Alloy Wheel, Alloy Wheel; 18 X 7.5; 48MM Offset; 5 Double Spokes; 5 Lug; 4.5 Inch BP; Machined And Medium Charcoal, , .

Source: Wheels / Rims, Mirrors & Lights Store

$174.50

Click here to view more details1998 Hyundai Sonata V6, 3 L, 2972 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

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Click here to view more details2011 Hyundai Sonata Used Turbo, 2.0, AUTO, FWD, 43K 2.0L (turbo), Very Good.

Source: Used Auto Parts Store

$735.00

Click here to view more details2008 Hyundai Sonata Used Alternator, 2.0, AUTO, FWD, Very Good.

Source: Used Auto Parts Store

$99.00
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