2003 Hyundai XG350 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 4-Door
- L Sedan 4-Door
Engines covered
- 3.5L 3500CC V6 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
CERTAIN PASSENGER VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 301, "FUEL SYSTEM INTEGRITY" A VALVE ON THE FUEL TANK ASSEMBLY MAY NOT CLOSE PROPERLY. IF
FUEL SPILLAGE IN THE PRESENCE OF AN IGNITION SOURCE MAY RESULT IN A FIRE.
DEALERS WILL INSTALL AN ADDITIONAL FUEL TANK ASSEMBLY VALVE. THE RECALL BEGAN ON OCTOBER 5, 2004.
HYUNDAI IS RECALLING 188,282 MY 2001-2004 SONATA AND MY 2001-2004 XG300 AND XG350 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, M
IF THAT HAPPENS, THE VEHICLE MAY LOSE DRIVE POWER TO THE WHEELS, AND THE FRONT WHEEL MAY MAKE CONTAC
DEALERS WILL MEASURE THE THICKNESS OF THE FRONT SUB-FRAME AND INSPECT THE FRONT SUB-FRAME FOR CORROS
SOME PASSENGER VEHICLES CONTAIN A FUEL TANK ASSEMBLY VALVE THAT MAY NOT CLOSE PROPERLY. IF A VEHICLE WITH A FUEL TANK ASSEMBLY VALVE THAT IS NOT PROPERLY CLOSED WERE TO ROLL OVER, FUEL SPILLAGE MAY
FUEL SPILLAGE IN THE PRESENCE OF AN IGNITION SOURCE MAY RESULT IN A FIRE.
DEALERS WILL INSTALL AN ADDITIONAL FUEL TANK ASSEMBLY VALVE. OWNER NOTIFICATION BEGAN ON JUNE 30, 2
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can becom
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. Th
Showing the 8 most recent of 53 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 2003 HYUNDAI XG350. THE CONTACT STATED THAT WITH THE BRAKES DEPRESSED, THE VEHICLE ABNORMALLY ACCELERATED AND CRASHED INTO A BUILDING. THE CONTACT SUSTAINED TWO SHATTERED KNEE
STRUCK ON DRIVERS SIDE.DAMAGING BOTH DOORS,ROOF,AND B PILLAR.SIDE IMPACT AIRBAGS DID NOT DEPLOY.SIDE IMPACT AIRBAG SENSOR HAD TO BE REPLACED WHEN THE AUTO WAS BEING REPAIRED. SENSOR WAS BREAKING AWAY
TL*THE DRIVER OWNS A 2003 HYUNDAI XG350. THE OWNER OF THE VEHICLE RECEIVED A RECALL NOTICE FOR THE SUSPENSION (09V124000). PRIOR TO RECEIVING THE NOTICE, THE DRIVER STATED THAT THE VEHICLE WAS HARD T
TL*THE DRIVER OWNS A 2003 HYUNDAI XG350. THE OWNER OF THE VEHICLE RECEIVED A RECALL NOTICE FOR THE SUSPENSION (09V124000). PRIOR TO RECEIVING THE NOTICE, THE DRIVER STATED THAT THE VEHICLE WAS HARD T
TL*THE DRIVER OWNS A 2003 HYUNDAI XG350. THE OWNER OF THE VEHICLE RECEIVED A RECALL NOTICE FOR THE SUSPENSION (09V124000). PRIOR TO RECEIVING THE NOTICE, THE DRIVER STATED THAT THE VEHICLE WAS HARD T
Showing the 5 most serious of 27 complaints filed with NHTSA.
