The service and repair manual for the 1986 Buick Skylark — 3.0L V6 and 2.5L I4 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 | 1986 |
|---|---|
| Engines | 3.0L V6 — OHV 2.5L I4 — 151 cu in, OHV |
| Trims | Custom Sedan 4-Door · Limited Sedan 4-Door |
| Federal record | 1 recall · 10 complaints · 1 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 Skylark manual






03 / ContentsSections in the manual
- Quick Lookups 67
- Engine Performance 1,280
- Accessories & Equipment 302
- General Information 1,528
- Body & Frame 94
- Heating, Ventilation & A/C (HVAC) 183
- Brakes 73
- Maintenance 45
- Drivelines & Axles 15
- Steering 126
- Electrical 220
- Suspension 85
- Engine Mechanical 241
- Transmission 212
04 / Known issuesRecalls on federal record for the 1986 Skylark
- Exterior Lighting — headlights › switch · 88V014000Headlights would cycle on and off. sudden loss ofheadlights under severe weather or nightimer drivi.
Owners have filed 10 complaints and Buick has issued 1 technical service bulletins for the 1986 Skylark. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 Skylark manual
Is this manual specific to the 1986 Skylark?
Yes. It is the OEM manual matched to the 1986 model year, covering the 3.0L V6 and 2.5L I4 across the Custom Sedan 4-Door, Limited Sedan 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1986 Skylark problems does it help with?
1 recall is on federal record for the 1986 Skylark, covering exterior lighting. 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 Skylark 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 Skylark years and 1986 Buick models
1992 Skylark · 1991 Skylark · 1990 Skylark · 1989 Skylark · 1988 Skylark · 1987 Skylark · 1985 Skylark · 1984 Skylark · 1983 Skylark · 1982 Skylark · all 17 years
1986 Buick Century · 1986 Buick Electra · 1986 Buick LeSabre · 1986 Buick Regal · 1986 Buick Riviera · 1986 Buick Skyhawk · 1986 Buick Somerset · every 1986 model