1991 Oldsmobile Cutlass Service and Repair Manual

This factory service and repair manual for the 1991 Oldsmobile Cutlass applies to three trims, Base, Eurosport and Lujo, across a 2-door coupe and a 4-door sedan. Every version uses the naturally aspirated 3.1L V6, a gasoline engine with overhead valves and 189 cubic inches of displacement. That engine is the only one listed for the year, which keeps the mechanical picture consistent between the two bodies.

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 1991 Cutlass. The brakes, steering and suspension of the coupe and sedan are addressed with procedures, specifications and torque values, as are the transmission and the body. On the powertrain side, the engine, fuel and cooling systems of the V6 receive the same coverage, and wiring diagrams plus diagnostics handle the ignition and electrical system.