The service and repair manual for the 2003 Mitsubishi Galant — 3.0L V6 and 2.4L I4 engines, 5 trims. Matched to this exact model year, so the specifications and sequences are the ones Mitsubishi published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2003 |
|---|---|
| Engines | 3.0L V6 — 181 cu in, SOHC 2.4L I4 — 143 cu in, SOHC |
| Trims | LS V6 Sedan 4-Door · GTZ Sedan 4-Door · DE Sedan 4-Door · ES Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 3 recalls · 167 complaints · 62 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2003 Galant manual




03 / ContentsSections in the manual
- Quick Lookups 232
- General Information 2,508
- Accessories & Equipment 549
- Heating, Ventilation & A/C (HVAC) 88
- Body & Frame 155
- Maintenance 22
- Brakes 300
- Restraints 62
- Drivelines & Axles 10
- Steering 184
- Electrical 470
- Suspension 97
- Engine Mechanical 387
- Transmission 344
- Engine Performance 1,462
- Use SUN PAG 56
04 / Known issuesRecalls on federal record for the 2003 Galant
- Exterior Lighting — headlights · 09E025000Decreased lighting visibility may result in a vehicle crash.
- Fuel System, Gasoline — delivery › fuel pump · 03V442000Fuel leakage in the presence of an ignition source could result in a fire.
- Equipment — other › labels · 04V428000This does not meet the requirements of the standard.
Owners have filed 167 complaints and Mitsubishi has issued 62 technical service bulletins for the 2003 Galant. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2003 Galant manual
Is this manual specific to the 2003 Galant?
Yes. It is the OEM manual matched to the 2003 model year, covering the 3.0L V6 and 2.4L I4 across the LS V6 Sedan 4-Door, GTZ Sedan 4-Door, DE Sedan 4-Door, ES Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Mitsubishi published for this year.
What 2003 Galant problems does it help with?
3 recalls are on federal record for the 2003 Galant, covering exterior lighting, fuel system, gasoline, equipment. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mitsubishi dealers.
Does it include 2003 Galant wiring diagrams?
Yes — the complete wiring diagrams for the 2003 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 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 Galant years and 2003 Mitsubishi models
2009 Galant · 2008 Galant · 2007 Galant · 2006 Galant · 2005 Galant · 2004 Galant · 2002 Galant · 2001 Galant · 2000 Galant · 1999 Galant · 1998 Galant · 1997 Galant · all 28 years
2003 Mitsubishi Diamante · 2003 Mitsubishi Eclipse · 2003 Mitsubishi Lancer · 2003 Mitsubishi Mirage · 2003 Mitsubishi Montero · 2003 Mitsubishi Montero Sport · 2003 Mitsubishi Outlander · 2003 Mitsubishi Space Star · every 2003 model