1989 Oldsmobile Delta 88 Service and Repair Manual

This factory service and repair manual for the 1989 Oldsmobile Delta 88 covers a 3.8L V6 of 231 cubic inches, which uses overhead valves and runs on gasoline without forced induction. The car came in 2-door coupe and 4-door sedan forms, with two trims, Royale and Royale Brougham. Across the engine, fuel system, ignition, cooling, transaxle, brakes, suspension, steering and electrical system, it gives procedures, specifications, torque values, wiring diagrams and diagnostics.

Engines covered

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

Body styles covered

• 2-door coupe
• 4-door sedan

Trims covered

• Royale
• Royale Brougham

Known issues on the 1989 Delta 88. The 1989 Delta 88 carries 2 recalls on the federal record. Certain 1989 Delta 88 vehicles may have had faulty welds in the left rear rocker panel that could let it deform, so the left rear seat belt anchor might not hold its required load. A reinforcement kit was the remedy, for a recall population of 6 vehicles. Certain 1989 Delta 88 vehicles may also have been built without the fuel rollover valve, allowing fuel to spill and possibly burn if the car overturned; the fuel sender and pump assembly was replaced, and 1,655 vehicles were covered. Of 28 complaints, 5 cite the gasoline fuel system, 3 reported a crash and 5 an injury. Fuel and body procedures apply.