Somerset

Buick Somerset OEM Service Manuals – PDF & USB Repair Docs for 1985–1987 Models

The Buick Somerset, produced between 1985 and 1987, was Buick’s upscale compact built on GM’s N-body platform. It offered advanced digital instrumentation and sharp styling — especially in the Somerset Regal coupe. Whether you’re servicing the 2.5L Iron Duke or the 3.0L V6, or restoring a digital dash, these factory-issued repair manuals are essential for reliable, OEM-grade repairs.

All manuals are available as searchable PDFs or USB flash drives — ideal for home garages or professional shops working on classic GM compacts.

Powertrain Repairs for Compact GM Engines

• Detailed procedures for 2.5L Tech IV (Iron Duke) and 3.0L Buick V6

• Valve cover gaskets, timing gear sets, intake manifold specs

• Fuel injection and throttle body servicing

• Cooling system flushes, thermostat replacement, and sensor testing

• Perfect for DIYers seeking a Buick Somerset engine repair manual PDF

Factory Transmission & Driveline Instructions

• Full teardown and rebuild for TH125 automatic transmission

• Solenoid diagnostics, torque converter checks, shift linkage adjustment

• Axle seal replacement and CV joint servicing

• Gear selector and shifter troubleshooting

• Covers all content in an OEM Buick Somerset transmission manual

Wiring, Electronics & Digital Dash Troubleshooting

• Complete Buick Somerset wiring diagrams with relay, fuse, and connector locations

• Power distribution layouts for ignition, dash, HVAC, and fuel systems

• Diagnostic procedures for digital instrument cluster and interior electronics

• Alternator charging circuit and battery testing guides

• A must-have for those needing Buick Somerset digital dash wiring schematics

Chassis Components & Undercarriage Service

• Front strut and rear shock absorber servicing

• Brake rotor and drum replacement procedures

• Steering rack alignment and bushing replacement

• Factory suspension torque specs and alignment charts

• Suitable for mechanics using a Somerset chassis and suspension repair manual

Heating, Air Conditioning & Interior Features

• Step-by-step heater core and blower motor replacement

• A/C compressor, condenser, and evaporator service

• Dash removal procedures for HVAC system access

• Power window motor, mirror control, and seat adjustment diagnostics

• Ideal companion to a Buick Somerset HVAC and comfort system manual

Format Options for Every User

• PDF Download – Instant delivery, printable and searchable

• USB Flash Drive – Durable and easy to use in offline environments

Who This Manual Is For

• Owners restoring a Buick Somerset Regal coupe

• Mechanics working on GM N-body platforms

• DIY car enthusiasts seeking original diagrams and diagnostics

• Trade schools and vocational instructors teaching 80s-era GM systems