The service and repair manual for the 1986 Pontiac Bonneville — 5.0L V8 and 3.8L V6 and 4.3L 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 | 1986 |
|---|---|
| Engines | 5.0L V8 — OHV 3.8L V6 — 232 cu in, OHV 4.3L V6 — OHV |
| Trims | LE Sedan 4-Door · Base Sedan 4-Door · Brougham Sedan 4-Door |
| Federal record | 1 recall · 3 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 Bonneville manual
03 / ContentsSections in the manual
- Quick Lookups 65
- Engine Performance 1,488
- Accessories & Equipment 239
- General Information 1,523
- Body & Frame 82
- Heating, Ventilation & A/C (HVAC) 175
- Brakes 103
- Maintenance 48
- Drivelines & Axles 47
- Steering 126
- Electrical 160
- Suspension 53
- Engine Mechanical 334
- Transmission 375
04 / Known issuesRecalls on federal record for the 1986 Bonneville
- Exterior Lighting — headlights › switch · 86V056000The push-pull headlight switch may have electrical contacts which allow an intermittent headlight circuit causing headlight to flicker or suddenly go out.
Owners have filed 3 complaints and Pontiac has issued 0 technical service bulletins for the 1986 Bonneville. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 Bonneville manual
Is this manual specific to the 1986 Bonneville?
Yes. It is the OEM manual matched to the 1986 model year, covering the 5.0L V8 and 3.8L V6 and 4.3L 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 1986 Bonneville problems does it help with?
1 recall is on federal record for the 1986 Bonneville, covering exterior lighting. 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 1986 Bonneville 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 Bonneville years and 1986 Pontiac models
1992 Bonneville · 1991 Bonneville · 1990 Bonneville · 1989 Bonneville · 1988 Bonneville · 1987 Bonneville · 1985 Bonneville · 1984 Bonneville · 1983 Bonneville · 1982 Bonneville · all 24 years
1986 Pontiac 6000 · 1986 Pontiac Acadian · 1986 Pontiac Fiero · 1986 Pontiac Firebird · 1986 Pontiac Firefly · 1986 Pontiac Grand Am · 1986 Pontiac Grand Prix · 1986 Pontiac Parisienne · 1986 Pontiac Sunbird · 1986 Pontiac Sunburst · 1986 Pontiac T1000 · every 1986 model