1987 Buick Riviera Service and Repair Manual

This factory service and repair manual for the 1987 Buick Riviera addresses a two-door coupe powered solely by a 3.8L V6. That engine uses overhead valves, draws air without a turbocharger and runs on gasoline. Luxury and T-Type are the two trims listed. Inside are procedures and specifications for the engine and its cooling, fuel and ignition systems, torque values for the brakes, suspension and steering, and wiring diagrams and diagnostics for the electrical system and transmission.

Engines covered

• 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door coupe

Trims covered

• Luxury
• T-Type

Known issues on the 1987 Riviera. Owners have lodged 5 complaints against the 1987 Riviera, with the electrical system cited in 3, engine and engine cooling in 2, and the hydraulic service brakes and the steering in 1 apiece. Its lone recall concerns steering fluid: on certain 1987 Riviera vehicles the power steering pump's pressure hose could rub against the transmission governor and speed sensor connector, wear through and leak, creating a risk of fire under the hood. A new hose was fitted as the remedy. These areas line up with the manual's wiring diagrams, diagnostics, procedures and torque values for the electrical, cooling, brake and steering systems.