1990 Oldsmobile Toronado Service and Repair Manual

This factory service and repair manual for the 1990 Oldsmobile Toronado centers on a gasoline 3.8L V6, 231 cubic inches, with overhead valves and natural aspiration. It powers the 2-door coupe in both Base and Trofeo trims. Procedures, specifications and torque values are given for the engine and its fuel, ignition and cooling systems, for the transaxle and drivetrain, and for the brakes, suspension and steering, while wiring diagrams and diagnostics handle the electrical system.

Engines covered

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

Body styles covered

• 2-door coupe

Trims covered

• Base
• Trofeo

Known issues on the 1990 Toronado. The federal record holds 2 recalls for the 1990 Toronado. On certain 1990 Toronado vehicles, the stitched stop on the front outboard shoulder belt could jam in the retractor, making the belt hard to draw out and, for some occupants, impossible to buckle; dealers added a webbing stop button on request. Certain 1990 Toronado vehicles were also recalled because the transaxle shift cable could come off the floor shifter, leaving the driver unsure of the gear selected. A retaining clip was added to hold the cable, and the recall covered 63,964 vehicles. NHTSA has 21 complaints, including hydraulic brakes with 8 and electrical with 7, and 1 reported a fire. Seat belt, transaxle, brake and electrical procedures, specifications, wiring diagrams and diagnostics apply.