1989 Oldsmobile 98 Service and Repair Manual
- Digital manual
- Matched to your model
- Pay once — yours to keep
- 180-day refund guarantee
Unlock the full manual
1989 Oldsmobile 98 Service and Repair Manual
This factory service and repair manual for the 1989 Oldsmobile 98 is devoted to a 4-door sedan powered by a 3.8L V6. That engine runs on gasoline, uses overhead valves and needs no turbocharger or supercharger, and its 231 cubic inches serve the Regency, Regency Brougham and Regency Touring trims. The three trims share one sedan body and one engine.
Engines covered
- 3.8L V6 (231 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Regency
- Regency Brougham
- Regency Touring
Known issues on the 1989 98. For the 1989 98, NHTSA holds 16 owner complaints, 8 of them concerning the electrical system. The engine and engine cooling account for 3, with seat belts and seats at 2 each. Four complaints reported a crash, 3 reported a fire and 2 reported an injury. The manual's wiring diagrams and diagnostics for the electrical system, and its procedures, specifications and torque values for the engine and cooling system, speak to those reports.