2003 Mitsubishi Eclipse Service & Repair Manual

← 2002All Eclipse years2004 →

The service and repair manual for the 2003 Mitsubishi Eclipse — 3.0L V6 and 2.4L I4 engines, 9 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 year2003
Engines
3.0L V6 — 181 cu in, SOHC
2.4L I4 — 143 cu in, SOHC
TrimsGT Hatchback 2-Door · GT Convertible 2-Door · GS Hatchback 2-Door · RS Hatchback 2-Door · GTS Hatchback 2-Door · Spyder GTS Convertible 2-Door +3
Federal record2 recalls · 158 complaints · 88 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2003 Eclipse manual

2003 Mitsubishi Eclipse service manual page 12003 Mitsubishi Eclipse service manual page 22003 Mitsubishi Eclipse service manual page 32003 Mitsubishi Eclipse service manual page 4

03 / ContentsSections in the manual

  • Quick Lookups 286
  • General Information 2,510
  • Accessories & Equipment 1,137
  • Heating, Ventilation & A/C (HVAC) 94
  • Body & Frame 290
  • Maintenance 22
  • Brakes 330
  • Restraints 63
  • Drivelines & Axles 10
  • Steering 184
  • Electrical 700
  • Suspension 95
  • Engine Mechanical 388
  • Transmission 212
  • Engine Performance 1,474
  • Use SUN PAG 56

04 / Known issuesRecalls on federal record for the 2003 Eclipse

  1. Fuel System, Gasoline — delivery › fuel pump · 03V442000
    Fuel leakage in the presence of an ignition source could result in a fire.
  2. Equipment — other › labels · 04V428000
    This does not meet the requirements of the standard.

Owners have filed 158 complaints and Mitsubishi has issued 88 technical service bulletins for the 2003 Eclipse. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2003 Eclipse manual

Is this manual specific to the 2003 Eclipse?

Yes. It is the OEM manual matched to the 2003 model year, covering the 3.0L V6 and 2.4L I4 across the GT Hatchback 2-Door, GT Convertible 2-Door, GS Hatchback 2-Door, RS Hatchback 2-Door, GTS Hatchback 2-Door, Spyder GTS Convertible 2-Door, GT Coupe 2-Door, Spyder GS Convertible 2-Door, Spyder GT Convertible 2-Door trims. Specifications and procedure sequences are the ones Mitsubishi published for this year.

What 2003 Eclipse problems does it help with?

2 recalls are on federal record for the 2003 Eclipse, covering 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 Eclipse 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 Eclipse years and 2003 Mitsubishi models

2009 Eclipse · 2008 Eclipse · 2007 Eclipse · 2006 Eclipse · 2005 Eclipse · 2004 Eclipse · 2002 Eclipse · 2001 Eclipse · 2000 Eclipse · 1999 Eclipse · 1998 Eclipse · 1997 Eclipse · all 23 years

2003 Mitsubishi Diamante · 2003 Mitsubishi Galant · 2003 Mitsubishi Lancer · 2003 Mitsubishi Mirage · 2003 Mitsubishi Montero · 2003 Mitsubishi Montero Sport · 2003 Mitsubishi Outlander · 2003 Mitsubishi Space Star · every 2003 model