The service and repair manual for the 1990 Oldsmobile Cutlass Supreme — 3.1L V6 and 2.3L I4 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Oldsmobile published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1990 |
|---|---|
| Engines | 3.1L V6 — OHV 2.3L I4 — DOHC |
| Trims | SL Coupe 2-Door · SL Sedan 4-Door · Base Sedan 4-Door · International Sedan 4-Door · Base Coupe 2-Door · International Coupe 2-Door |
| Other 1990 Cutlass Supreme variants | Cutlass → |
| Federal record | 2 recalls · 42 complaints · 2 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1990 Cutlass Supreme manual
03 / ContentsSections in the manual
- Quick Lookups 69
- Engine Performance 1,198
- Accessories & Equipment 202
- General Information 1,523
- Body & Frame 85
- Heating, Ventilation & A/C (HVAC) 242
- Brakes 249
- Maintenance 71
- Drivelines & Axles 19
- Steering 66
- Electrical 155
- Suspension 67
- Engine Mechanical 305
- Transmission 460
04 / Known issuesRecalls on federal record for the 1990 Cutlass Supreme
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
- Structure · 00V189000If both bolts pull through, the front of the cradle would no longer be supported at the mounting loc.
Owners have filed 42 complaints and Oldsmobile has issued 2 technical service bulletins for the 1990 Cutlass Supreme. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1990 Cutlass Supreme manual
Is this manual specific to the 1990 Cutlass Supreme?
Yes. It is the OEM manual matched to the 1990 model year, covering the 3.1L V6 and 2.3L I4 across the SL Coupe 2-Door, SL Sedan 4-Door, Base Sedan 4-Door, International Sedan 4-Door, Base Coupe 2-Door, International Coupe 2-Door trims. Specifications and procedure sequences are the ones Oldsmobile published for this year.
What 1990 Cutlass Supreme problems does it help with?
2 recalls are on federal record for the 1990 Cutlass Supreme, covering fuel system, gasoline, structure. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Oldsmobile dealers.
Does it include 1990 Cutlass Supreme wiring diagrams?
Yes — the complete wiring diagrams for the 1990 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 Cutlass Supreme years and 1990 Oldsmobile models
1996 Cutlass Supreme · 1995 Cutlass Supreme · 1994 Cutlass Supreme · 1993 Cutlass Supreme · 1992 Cutlass Supreme · 1991 Cutlass Supreme · 1989 Cutlass Supreme · 1988 Cutlass Supreme · 1987 Cutlass Supreme · 1986 Cutlass Supreme · 1985 Cutlass Supreme · 1984 Cutlass Supreme · all 16 years
1990 Oldsmobile 98 · 1990 Oldsmobile Custom Cruiser · 1990 Oldsmobile Cutlass · 1990 Oldsmobile Cutlass Calais · 1990 Oldsmobile Cutlass Ciera · 1990 Oldsmobile Cutlass Cruiser · 1990 Oldsmobile Delta 88 · 1990 Oldsmobile Silhouette · 1990 Oldsmobile Toronado · every 1990 model