The service and repair manual for the 2004 Mitsubishi Diamante — the 3.5L V6 engine, 3 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 | 2004 |
|---|---|
| Engines | 3.5L V6 — 213 cu in, SOHC |
| Trims | ES Sedan 4-Door · VR-X Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 1 recall · 3 complaints · 25 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2004 Diamante manual





03 / ContentsSections in the manual
- Quick Lookups 166
- General Information 2,336
- Accessories & Equipment 606
- Heating, Ventilation & A/C (HVAC) 101
- Body & Frame 282
- Maintenance 22
- Brakes 249
- Restraints 46
- Drivelines & Axles 98
- Steering 124
- Electrical 306
- Suspension 95
- Engine Mechanical 288
- Transmission 141
- Engine Performance 739
04 / Known issuesRecalls on federal record for the 2004 Diamante
- Equipment — other › labels · 04V428000This does not meet the requirements of the standard.
Owners have filed 3 complaints and Mitsubishi has issued 25 technical service bulletins for the 2004 Diamante. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2004 Diamante manual
Is this manual specific to the 2004 Diamante?
Yes. It is the OEM manual matched to the 2004 model year, covering the 3.5L V6 across the ES Sedan 4-Door, VR-X Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Mitsubishi published for this year.
What 2004 Diamante problems does it help with?
1 recall is on federal record for the 2004 Diamante, covering 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 2004 Diamante wiring diagrams?
Yes — the complete wiring diagrams for the 2004 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 Diamante years and 2004 Mitsubishi models
2003 Diamante · 2002 Diamante · 2001 Diamante · 2000 Diamante · 1999 Diamante · 1998 Diamante · all 13 years
2004 Mitsubishi Eclipse · 2004 Mitsubishi Endeavor · 2004 Mitsubishi Galant · 2004 Mitsubishi Lancer · 2004 Mitsubishi Mirage · 2004 Mitsubishi Montero · 2004 Mitsubishi Montero Sport · 2004 Mitsubishi Outlander · 2004 Mitsubishi Space Star · every 2004 model