The service and repair manual for the 1987 Buick Somerset — 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 | 1987 |
|---|---|
| Engines | 3.0L V6 — OHV 2.5L I4 — 151 cu in, OHV |
| Trims | Custom Coupe 2-Door · Limited Coupe 2-Door |
| Federal record | 1 recall · 0 complaints · 1 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1987 Somerset manual
03 / ContentsSections in the manual
- 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 / Known issuesRecalls on federal record for the 1987 Somerset
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
Owners have filed 0 complaints and Buick has issued 1 technical service bulletins for the 1987 Somerset. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1987 Somerset manual
Is this manual specific to the 1987 Somerset?
Yes. It is the OEM manual matched to the 1987 model year, covering the 3.0L V6 and 2.5L I4 across the Custom Coupe 2-Door, Limited Coupe 2-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 1987 Somerset problems does it help with?
1 recall is on federal record for the 1987 Somerset, covering fuel system, gasoline. 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 1987 Somerset wiring diagrams?
Yes — the complete wiring diagrams for the 1987 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 Somerset years and 1987 Buick models
1987 Buick Century · 1987 Buick Electra · 1987 Buick LeSabre · 1987 Buick Regal · 1987 Buick Riviera · 1987 Buick Skyhawk · 1987 Buick Skylark · every 1987 model