The service and repair manual for the 1985 Pontiac Bonneville — 5.0L V8 and 3.8L V6 engines, 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 | 1985 |
|---|---|
| Engines | 5.0L V8 — OHV 3.8L V6 — 232 cu in, OHV |
| Trims | LE Sedan 4-Door · Base Sedan 4-Door · Brougham Sedan 4-Door |
| Federal record | 1 recall · 2 complaints · 1 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1985 Bonneville manual
03 / ContentsSections in the manual
- Quick Lookups 64
- Engine Performance 886
- Accessories & Equipment 282
- General Information 1,527
- Body & Frame 122
- Heating, Ventilation & A/C (HVAC) 231
- Brakes 103
- Maintenance 48
- Drivelines & Axles 59
- Steering 124
- Electrical 169
- Suspension 85
- Engine Mechanical 255
- Transmission 346
- Mounting Nuts 21
- L diesel is 25
04 / Known issuesRecalls on federal record for the 1985 Bonneville
- Equipment · 07E088000This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire.
Owners have filed 2 complaints and Pontiac has issued 1 technical service bulletins for the 1985 Bonneville. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1985 Bonneville manual
Is this manual specific to the 1985 Bonneville?
Yes. It is the OEM manual matched to the 1985 model year, covering the 5.0L V8 and 3.8L V6 across the LE Sedan 4-Door, Base Sedan 4-Door, Brougham Sedan 4-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.
What 1985 Bonneville problems does it help with?
1 recall is on federal record for the 1985 Bonneville, covering equipment. 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 1985 Bonneville 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 Bonneville years and 1985 Pontiac models
1991 Bonneville · 1990 Bonneville · 1989 Bonneville · 1988 Bonneville · 1987 Bonneville · 1986 Bonneville · 1984 Bonneville · 1983 Bonneville · 1982 Bonneville · all 24 years
1985 Pontiac 6000 · 1985 Pontiac Acadian · 1985 Pontiac Fiero · 1985 Pontiac Firebird · 1985 Pontiac Firefly · 1985 Pontiac Grand Am · 1985 Pontiac Grand Prix · 1985 Pontiac J2000 Sunbird · 1985 Pontiac Parisienne · 1985 Pontiac Sunburst · 1985 Pontiac T1000 · every 1985 model