The service and repair manual for the 1986 Buick Riviera — the 3.8L V6 engine, 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 | 3.8L V6 — 232 cu in, OHV |
| Trims | Luxury Coupe 2-Door · T-Type Coupe 2-Door |
| Federal record | 1 recall · 2 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1986 Riviera manual
03 / ContentsSections in the manual
- Quick Lookups 66
- Engine Performance 1,388
- Accessories & Equipment 246
- General Information 1,528
- Body & Frame 109
- Heating, Ventilation & A/C (HVAC) 149
- Brakes 53
- Maintenance 55
- Drivelines & Axles 15
- Steering 124
- Electrical 124
- Suspension 88
- Engine Mechanical 180
- Transmission 191
04 / Known issuesRecalls on federal record for the 1986 Riviera
- Steering — hydraulic power assist › pump · 88V078000This could result in a fluid leak, with the potential foran underhood fire.
Owners have filed 2 complaints and Buick has issued 0 technical service bulletins for the 1986 Riviera. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1986 Riviera manual
Is this manual specific to the 1986 Riviera?
Yes. It is the OEM manual matched to the 1986 model year, covering the 3.8L V6 across the Luxury Coupe 2-Door, T-Type Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1986 Riviera problems does it help with?
1 recall is on federal record for the 1986 Riviera, covering steering. 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 Riviera 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 Riviera years and 1986 Buick models
1992 Riviera · 1991 Riviera · 1990 Riviera · 1989 Riviera · 1988 Riviera · 1987 Riviera · 1985 Riviera · 1984 Riviera · 1983 Riviera · 1982 Riviera · all 17 years
1986 Buick Century · 1986 Buick Electra · 1986 Buick LeSabre · 1986 Buick Regal · 1986 Buick Skyhawk · 1986 Buick Skylark · 1986 Buick Somerset · every 1986 model