1983 Oldsmobile 98 Service and Repair Manual
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1983 Oldsmobile 98 Service and Repair Manual
This factory service and repair manual for the 1983 Oldsmobile 98 takes in gasoline and diesel power alike. On the gasoline side are a 4.1L V6 and a 5.0L V8, while the diesel is a 5.7L V8; all three use overhead valves and natural aspiration. Buyers could order the car as a 4-door sedan or 2-door coupe, in Regency or Regency Brougham trim.
Engines covered
- 4.1L V6 (252 cu in) — OHV, naturally aspirated, gasoline
- 5.0L V8 (307 cu in) — OHV, naturally aspirated, gasoline
- 5.7L V8 (350 cu in) — OHV, naturally aspirated, diesel
Body styles covered
- 4-door sedan
- 2-door coupe
Trims covered
- Regency
- Regency Brougham
Known issues on the 1983 98. A single owner complaint, concerning the electrical system, is logged with NHTSA for the 1983 98. That is where the manual's wiring diagrams and diagnostics come in, alongside procedures, specifications and torque values for the engine, the gasoline and diesel fuel systems, cooling, transmission, brakes, steering, suspension and body of the sedan and coupe.