1998 Buick Riviera Service and Repair Manual

This factory service and repair manual for the 1998 Buick Riviera covers a coupe whose only listed engine is the supercharged 3.8L V6. It is an overhead-valve gasoline engine, and it powers the two-door body in Base trim. Across that supercharged engine and its fuel, ignition and cooling systems, and on through the transmission, brakes, suspension, steering and electrical system, the manual provides procedures, specifications, torque values, wiring diagrams and diagnostics for the coupe.

Engines covered

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

Body styles covered

• 2-door coupe

Trims covered

• Base

Known issues on the 1998 Riviera. Of the 29 complaints owners filed on the 1998 Riviera, steering accounts for 7 and the hydraulic brakes for 5. The engine is named in 4, while the electrical system and power train draw 3 apiece. Three complaints reported a crash and 2 reported a fire. For the steering and brake systems, the manual gives procedures, torque values and diagnostics; for the supercharged V6 and the electrical system, specifications and wiring diagrams.