The service and repair manual for the 1991 Oldsmobile 98 — the 3.8L V6 engine, 2 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 | 1991 |
|---|---|
| Engines | 3.8L V6 — 232 cu in, OHV |
| Trims | Regency Elite Sedan 4-Door · Touring Sedan 4-Door |
| Federal record | 2 recalls · 69 complaints · 10 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 98 manual
03 / ContentsSections in the manual
- Quick Lookups 68
- General Information 1,528
- Accessories & Equipment 427
- Heating, Ventilation & A/C (HVAC) 192
- Body & Frame 198
- Maintenance 65
- Brakes 216
- Restraints 206
- Drivelines & Axles 22
- Steering 128
- Electrical 172
- Suspension 143
- Engine Mechanical 131
- Transmission 578
- Engine Performance 990
- Adjuster-To-Floor Pan Nuts 21
- To-Seat Bottom Frame Attaching Bolts 17
04 / Known issuesRecalls on federal record for the 1991 98
- Parking Brake — conventional › mechanical · 91V167000Depending on the extent of the lever release and roadlevel. the parking brake may not hold the vehic.
- Power Train — automatic transmission · 91V198000The driver can place the gear shifter in the parkposition without setting the parking brake and the.
Owners have filed 69 complaints and Oldsmobile has issued 10 technical service bulletins for the 1991 98. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 98 manual
Is this manual specific to the 1991 98?
Yes. It is the OEM manual matched to the 1991 model year, covering the 3.8L V6 across the Regency Elite Sedan 4-Door, Touring Sedan 4-Door trims. Specifications and procedure sequences are the ones Oldsmobile published for this year.
What 1991 98 problems does it help with?
2 recalls are on federal record for the 1991 98, covering parking brake, power train. 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 1991 98 wiring diagrams?
Yes — the complete wiring diagrams for the 1991 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 98 years and 1991 Oldsmobile models
1996 98 · 1995 98 · 1994 98 · 1993 98 · 1992 98 · 1990 98 · 1989 98 · 1988 98 · 1987 98 · 1986 98 · 1985 98 · all 15 years
1991 Oldsmobile Bravada · 1991 Oldsmobile Custom Cruiser · 1991 Oldsmobile Cutlass · 1991 Oldsmobile Cutlass Calais · 1991 Oldsmobile Cutlass Ciera · 1991 Oldsmobile Cutlass Cruiser · 1991 Oldsmobile Cutlass Supreme · 1991 Oldsmobile Delta 88 · 1991 Oldsmobile Silhouette · 1991 Oldsmobile Toronado · every 1991 model