1990 Oldsmobile Cutlass Service and Repair Manual

This factory service and repair manual for the 1990 Oldsmobile Cutlass lists one engine: a 3.1L gasoline V6 of 189 cubic inches, naturally aspirated and built with overhead valves. It is offered in coupe (two doors) and sedan (four doors) form, and the Base, Eurosport and Lujo trims all share that V6. Body style and trim, rather than engine, are what vary from car to car.

Engines covered

• 3.1L V6 (189 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 2-door coupe
• 4-door sedan

Trims covered

• Base
• Eurosport
• Lujo

Known issues on the 1990 Cutlass. For the V6, the manual provides procedures, specifications and torque values across the engine, fuel system, ignition and cooling. Its wiring diagrams and diagnostics cover the electrical system, and the transmission, brakes, steering, suspension and body of both the coupe and the sedan are addressed as well.