The service and repair manual for the 1985 Buick Century — 2.8L V6 and 3.8L V6 and 3.0L V6 and 2.5L I4 and 4.3L V6 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 | 1985 |
|---|---|
| Engines | 2.8L V6 — OHV 3.8L V6 — 232 cu in, OHV 3.0L V6 — OHV 2.5L I4 — 151 cu in, OHV 4.3L V6 — 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 | 1 recall · 9 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1985 Century manual
03 / ContentsSections in the manual
- Quick Lookups 71
- Engine Performance 1,766
- Accessories & Equipment 313
- General Information 1,528
- Body & Frame 106
- Heating, Ventilation & A/C (HVAC) 231
- Brakes 94
- Maintenance 35
- Drivelines & Axles 14
- Steering 130
- Electrical 166
- Suspension 88
- Engine Mechanical 366
- Transmission 271
- Mounting Nuts 21
- L diesel is 25
04 / Known issuesRecalls on federal record for the 1985 Century
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
Owners have filed 9 complaints and Buick has issued 0 technical service bulletins for the 1985 Century. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1985 Century manual
Is this manual specific to the 1985 Century?
Yes. It is the OEM manual matched to the 1985 model year, covering the 2.8L V6 and 3.8L V6 and 3.0L V6 and 2.5L I4 and 4.3L V6 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, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1985 Century problems does it help with?
1 recall is on federal record for the 1985 Century, covering fuel system, gasoline. 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 1985 Century wiring diagrams?
Yes — the complete wiring diagrams for the 1985 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 1985 Buick models
1991 Century · 1990 Century · 1989 Century · 1988 Century · 1987 Century · 1986 Century · 1984 Century · 1983 Century · 1982 Century · all 24 years
1985 Buick Electra · 1985 Buick LeSabre · 1985 Buick Regal · 1985 Buick Riviera · 1985 Buick Skyhawk · 1985 Buick Skylark · 1985 Buick Somerset Regal · every 1985 model