The service and repair manual for the 1986 Buick Century — 2.8L V6 and 3.8L V6 and 2.5L I4 engines, 10 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 | 1986 |
|---|---|
| Engines | 2.8L V6 — OHV 3.8L V6 — 232 cu in, OHV 2.5L I4 — 151 cu in, OHV |
| Trims | Estate Wagon Wagon 4-Door · Base Sedan 4-Door · Custom Wagon 4-Door · T-Type Coupe 2-Door · Custom Coupe 2-Door · T-Type Sedan 4-Door +4 |
| Federal record | 2 recalls · 43 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 Century manual
03 / ContentsSections in the manual
- Quick Lookups 69
- Engine Performance 1,823
- Accessories & Equipment 374
- General Information 1,528
- Body & Frame 127
- Heating, Ventilation & A/C (HVAC) 183
- Brakes 73
- Maintenance 35
- Drivelines & Axles 15
- Steering 108
- Electrical 242
- Suspension 82
- Engine Mechanical 310
- Transmission 302
- Front Bracket Bolts 41
- Mounting Nuts 21
04 / Known issuesRecalls on federal record for the 1986 Century
- Electrical System — wiring › rear compartment/trunk · 86V061000An incorrectly indexed wiring harness may cause the center high mounted stop lamp to remain illuminated when the headlights or parking lamps are on. fmvss 108 lamps, reflective devices an.
- Electrical System — alternator/generator/regulator · 85V122000The generator "bat" terminal located on the rectifier end frame may contact the carburetor fuel inlet pipe.
Owners have filed 43 complaints and Buick has issued 0 technical service bulletins for the 1986 Century. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 Century manual
Is this manual specific to the 1986 Century?
Yes. It is the OEM manual matched to the 1986 model year, covering the 2.8L V6 and 3.8L V6 and 2.5L I4 across the Estate Wagon Wagon 4-Door, Base Sedan 4-Door, Custom Wagon 4-Door, T-Type Coupe 2-Door, Custom Coupe 2-Door, T-Type Sedan 4-Door, Limited Coupe 2-Door, Custom Sedan 4-Door, Limited Sedan 4-Door, SS Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1986 Century problems does it help with?
2 recalls are on federal record for the 1986 Century, covering electrical system. 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 1986 Century wiring diagrams?
Yes — the complete wiring diagrams for the 1986 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 Century years and 1986 Buick models
1992 Century · 1991 Century · 1990 Century · 1989 Century · 1988 Century · 1987 Century · 1985 Century · 1984 Century · 1983 Century · 1982 Century · all 24 years
1986 Buick Electra · 1986 Buick LeSabre · 1986 Buick Regal · 1986 Buick Riviera · 1986 Buick Skyhawk · 1986 Buick Skylark · 1986 Buick Somerset · every 1986 model