The service and repair manual for the 1991 Pontiac Bonneville — the 3.8L V6 engine, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Pontiac 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 | LE Sedan 4-Door · SSE Sedan 4-Door · SE Sedan 4-Door |
| Federal record | 2 recalls · 26 complaints · 2 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 Bonneville manual
03 / ContentsSections in the manual
- Quick Lookups 68
- Engine Performance 974
- Accessories & Equipment 345
- General Information 1,528
- Body & Frame 156
- Heating, Ventilation & A/C (HVAC) 277
- Brakes 216
- Maintenance 46
- Drivelines & Axles 22
- Steering 128
- Electrical 151
- Suspension 162
- Engine Mechanical 195
- Transmission 478
- Bottom Lock Bracket Bolts 17
- Front/Rear Seat Nuts 25
- Load Bar Anchor Bolt 30
- Power Adjuster Load Bar 17
- Recliner Bolts 17
- Track Bolts 17
04 / Known issuesRecalls on federal record for the 1991 Bonneville
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
- Power Train — automatic transmission · 91V198000The driver can place the gear shifter in the parkposition without setting the parking brake and the.
Owners have filed 26 complaints and Pontiac has issued 2 technical service bulletins for the 1991 Bonneville. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 Bonneville manual
Is this manual specific to the 1991 Bonneville?
Yes. It is the OEM manual matched to the 1991 model year, covering the 3.8L V6 across the LE Sedan 4-Door, SSE Sedan 4-Door, SE Sedan 4-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.
What 1991 Bonneville problems does it help with?
2 recalls are on federal record for the 1991 Bonneville, covering fuel system, gasoline, power train. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Pontiac dealers.
Does it include 1991 Bonneville 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 Bonneville years and 1991 Pontiac models
1997 Bonneville · 1996 Bonneville · 1995 Bonneville · 1994 Bonneville · 1993 Bonneville · 1992 Bonneville · 1990 Bonneville · 1989 Bonneville · 1988 Bonneville · 1987 Bonneville · 1986 Bonneville · 1985 Bonneville · all 24 years
1991 Pontiac 6000 · 1991 Pontiac Firebird · 1991 Pontiac Firefly · 1991 Pontiac Grand Am · 1991 Pontiac Grand Prix · 1991 Pontiac LeMans · 1991 Pontiac Optima · 1991 Pontiac Sunbird · 1991 Pontiac Tempest · 1991 Pontiac Trans Sport · every 1991 model