2003 Hyundai Sonata Service & Repair Manual

← 2002All Sonata years2004 →

The service and repair manual for the 2003 Hyundai Sonata — 2.4L I4 and 2.7L V6 engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Hyundai published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2003
Engines
2.4L I4 — 143 cu in, DOHC
2.7L V6 — 162 cu in, DOHC
TrimsGL Sedan 4-Door · Base Sedan 4-Door · GLS Sedan 4-Door · LX Sedan 4-Door
Federal record6 recalls · 247 complaints · 70 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2003 Sonata manual

2003 Hyundai Sonata service manual page 12003 Hyundai Sonata service manual page 22003 Hyundai Sonata service manual page 32003 Hyundai Sonata service manual page 42003 Hyundai Sonata service manual page 52003 Hyundai Sonata service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 226
  • Engine Performance 906
  • Accessories & Equipment 247
  • General Information 1,429
  • Body & Frame 77
  • Heating, Ventilation & A/C (HVAC) 216
  • Brakes 152
  • Restraints 67
  • Drivelines & Axles 15
  • Steering 82
  • Electrical 449
  • Suspension 92
  • Engine Mechanical 981
  • Transmission 215

04 / Known issuesRecalls on federal record for the 2003 Sonata

  1. Fuel System, Gasoline — storage · 04V369000
    Fuel spillage in the presence of an ignition source may result in a fire.
  2. Latches/Locks/Linkages — doors › latch · 09V171000
    This may inflict laceration injuries to anyone using the door handle.
  3. Tires — temporary/emergency spare tire · 03V097000
    Inadvertent activation of the tcs will cause automatic application of the brake at the wheel where t.
  4. Suspension · 09V124000
    If that happens, the vehicle may lose drive power to the wheels, and the front wheel may make contac.
  5. Fuel System, Gasoline — storage › tank assembly · 04V178000
    Fuel spillage in the presence of an ignition source may result in a fire.
  6. Latches/Locks/Linkages — doors › latch · 09V317000
    A sharp edge could lacerate or otherwise injure a vehicle occupant.

Owners have filed 247 complaints and Hyundai has issued 70 technical service bulletins for the 2003 Sonata. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2003 Sonata manual

Is this manual specific to the 2003 Sonata?

Yes. It is the OEM manual matched to the 2003 model year, covering the 2.4L I4 and 2.7L V6 across the GL Sedan 4-Door, Base Sedan 4-Door, GLS Sedan 4-Door, LX Sedan 4-Door trims. Specifications and procedure sequences are the ones Hyundai published for this year.

What 2003 Sonata problems does it help with?

6 recalls are on federal record for the 2003 Sonata, covering fuel system, gasoline, latches/locks/linkages, tires. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Hyundai dealers.

Does it include 2003 Sonata wiring diagrams?

Yes — the complete wiring diagrams for the 2003 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $42.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther Sonata years and 2003 Hyundai models

2009 Sonata · 2008 Sonata · 2007 Sonata · 2006 Sonata · 2005 Sonata · 2004 Sonata · 2002 Sonata · 2001 Sonata · 2000 Sonata · 1999 Sonata · 1998 Sonata · 1997 Sonata · all 36 years

2003 Hyundai Accent · 2003 Hyundai Elantra · 2003 Hyundai HLD 150 · 2003 Hyundai HMD 230 · 2003 Hyundai HMD 260 · 2003 Hyundai Santa Fe · 2003 Hyundai Tiburon · 2003 Hyundai XG350 · every 2003 model