The service and repair manual for the 1991 Buick Park Avenue — 3.8L V6 and 3.8L V6 engines, 2 trims. 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 | 3.8L V6 — 232 cu in, OHV 3.8L V6 — 232 cu in, OHV, supercharged |
| Trims | Base Sedan 4-Door · Ultra Sedan 4-Door |
| Federal record | 1 recall · 134 complaints · 11 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 Park Avenue manual
03 / ContentsSections in the manual
- Quick Lookups 69
- General Information 1,524
- Accessories & Equipment 326
- Heating, Ventilation & A/C (HVAC) 252
- Body & Frame 168
- Maintenance 65
- Brakes 162
- Restraints 206
- Drivelines & Axles 22
- Steering 128
- Electrical 161
- Suspension 138
- Engine Mechanical 131
- Transmission 578
- Engine Performance 976
- Body 22
- Air Bag Module 13
- Turn Signal Switch Screw 35
- Lock Cylinder Retaining Screw 40
04 / Known issuesRecalls on federal record for the 1991 Park Avenue
- Parking Brake — conventional › mechanical · 91V167000Depending on the extent of the lever release and roadlevel. the parking brake may not hold the vehic.
Owners have filed 134 complaints and Buick has issued 11 technical service bulletins for the 1991 Park Avenue. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 Park Avenue manual
Is this manual specific to the 1991 Park Avenue?
Yes. It is the OEM manual matched to the 1991 model year, covering the 3.8L V6 and 3.8L V6 across the Base Sedan 4-Door, Ultra Sedan 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1991 Park Avenue problems does it help with?
1 recall is on federal record for the 1991 Park Avenue, covering parking brake. 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 Park Avenue 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 Park Avenue years and 1991 Buick models
1997 Park Avenue · 1996 Park Avenue · 1995 Park Avenue · 1994 Park Avenue · 1993 Park Avenue · 1992 Park Avenue · all 15 years
1991 Buick Century · 1991 Buick Commercial Chassis · 1991 Buick LeSabre · 1991 Buick Reatta · 1991 Buick Regal · 1991 Buick Riviera · 1991 Buick Roadmaster · 1991 Buick Skylark · every 1991 model