The service and repair manual for the 1991 Buick Roadmaster — the 5.0L V8 engine, 1 trim. Matched to this exact model year, so the specifications and sequences are the ones Buick published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1991 |
|---|---|
| Engines | 5.0L V8 — OHV |
| Trims | Estate Wagon Wagon 4-Door |
| Federal record | 3 recalls · 9 complaints · 4 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 Roadmaster manual






03 / ContentsSections in the manual
- Quick Lookups 67
- General Information 1,528
- Accessories & Equipment 305
- Heating, Ventilation & A/C (HVAC) 255
- Body & Frame 138
- Maintenance 51
- Brakes 217
- Restraints 176
- Drivelines & Axles 35
- Steering 116
- Electrical 154
- Suspension 110
- Engine Mechanical 118
- Transmission 488
- Engine Performance 907
- Adjuster Nuts 18
- Safety Belt Anchor Bolts 30
- Seat Bolts 18
04 / Known issuesRecalls on federal record for the 1991 Roadmaster
- Latches/Locks/Linkages — hood › latch · 91V186000If the secondary hood latch is not properly engaged, andthe primary hood latch was also not engaged,.
- Equipment · 07E088000This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.
- Seat Belts · 92V094000In the event of a vehicle crash, the exposed steelsub-plate can cut the safety belt webbing resultin.
Owners have filed 9 complaints and Buick has issued 4 technical service bulletins for the 1991 Roadmaster. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 Roadmaster manual
Is this manual specific to the 1991 Roadmaster?
Yes. It is the OEM manual matched to the 1991 model year, covering the 5.0L V8 across the Estate Wagon Wagon 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1991 Roadmaster problems does it help with?
3 recalls are on federal record for the 1991 Roadmaster, covering latches/locks/linkages, equipment, seat belts. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Buick dealers.
Does it include 1991 Roadmaster 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 Roadmaster years and 1991 Buick models
1996 Roadmaster · 1995 Roadmaster · 1994 Roadmaster · 1993 Roadmaster · 1992 Roadmaster · all 6 years
1991 Buick Century · 1991 Buick Commercial Chassis · 1991 Buick LeSabre · 1991 Buick Park Avenue · 1991 Buick Reatta · 1991 Buick Regal · 1991 Buick Riviera · 1991 Buick Skylark · every 1991 model