Service and repair manuals for 2 model years of the Buick Somerset, 1986 to 1987. Each manual is matched to one exact year — the specifications and procedure sequences are the ones Buick published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 3.0L V6 — OHV · 2.5L I4 — 151 cu in, OHV.
Federal safety record, all years: 2 recalls, 7 owner complaints and 2 technical service bulletins are logged for the Somerset. Refreshed 2026-08-21.
01 / Model yearsChoose your Somerset year
| Year | Price | Recalls | Engines | Trims | |
|---|---|---|---|---|---|
| 1987 | $29.99 | 1 | 3.0L V6; 2.5L I4 | Custom Coupe 2-Door · Limited Coupe 2-Door | details → |
| 1986 | $29.99 | 1 | 3.0L V6; 2.5L I4 | T-Type Coupe 2-Door · Custom Coupe 2-Door · Limited Coupe 2-Door | details → |
Related Buick models: Buick Somerset Regal 1985
02 / InsideSample pages
From the 1987 Somerset manual.
03 / ContentsWhat the manual covers
- Quick Lookups 68
- Engine Performance 1,520
- Accessories & Equipment 260
- General Information 1,528
- Body & Frame 102
- Heating, Ventilation & A/C (HVAC) 186
- Brakes 76
- Maintenance 45
- Drivelines & Axles 14
- Steering 123
- Electrical 174
- Suspension 60
- Engine Mechanical 239
- Transmission 221
- Front Bracket Bolts 41
- Mounting Nuts 21
- Electric Pump-to-Bracket Bolts 72
04 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore Somerset manual | $29.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the Somerset manual
Which Somerset years does this manual cover?
Every year from 1986 to 1987 — 2 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM Buick Somerset manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Buick published for the Somerset, organized by system — not a condensed aftermarket summary.
Does it include Somerset wiring diagrams?
Yes. Full wiring diagrams are part of every Somerset manual, alongside repair procedures, specifications and diagnostic information.
Does the manual cover Somerset recalls?
2 recalls are on federal record across the 1986–1987 Somerset, listed by year below. The manual carries the manufacturer's diagnostic and repair procedures behind the systems involved; the recall repairs themselves are performed free by Buick dealers.
Why do some Somerset years cost more?
Every Somerset year is $29.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.
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