The service and repair manual for the 1998 Mitsubishi Diamante — the 3.5L V6 engine, 2 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 | 1998 |
|---|---|
| Engines | 3.5L V6 — 213 cu in, SOHC |
| Trims | ES Sedan 4-Door · LS Sedan 4-Door |
| Federal record | 1 recall · 35 complaints · 48 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1998 Diamante manual






03 / ContentsSections in the manual
- Quick Lookups 89
- General Information 2,299
- Accessories & Equipment 434
- Heating, Ventilation & A/C (HVAC) 98
- Body & Frame 152
- Maintenance 53
- Brakes 296
- Restraints 51
- Drivelines & Axles 17
- Steering 79
- Electrical 187
- Suspension 113
- Engine Mechanical 266
- Transmission 190
- Engine Performance 545
04 / Known issuesRecalls on federal record for the 1998 Diamante
- Equipment — other › labels · 04V428000This does not meet the requirements of the standard.
Owners have filed 35 complaints and Mitsubishi has issued 48 technical service bulletins for the 1998 Diamante. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1998 Diamante manual
Is this manual specific to the 1998 Diamante?
Yes. It is the OEM manual matched to the 1998 model year, covering the 3.5L V6 across the ES Sedan 4-Door, LS Sedan 4-Door trims. Specifications and procedure sequences are the ones Mitsubishi published for this year.
What 1998 Diamante problems does it help with?
1 recall is on federal record for the 1998 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 1998 Diamante wiring diagrams?
Yes — the complete wiring diagrams for the 1998 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 1998 Mitsubishi models
2004 Diamante · 2003 Diamante · 2002 Diamante · 2001 Diamante · 2000 Diamante · 1999 Diamante · 1997 Diamante · 1996 Diamante · 1995 Diamante · 1994 Diamante · 1993 Diamante · 1992 Diamante · all 13 years
1998 Mitsubishi 3000GT · 1998 Mitsubishi Eclipse · 1998 Mitsubishi Galant · 1998 Mitsubishi Mirage · 1998 Mitsubishi Montero · 1998 Mitsubishi Montero Sport · every 1998 model