🏷️ Basic Information Identification Make: Oldsmobile Model: 98 Year: 1994 Market Segment: Full-Size Luxury Sedan Codes Platform Code: H-Body (GM Epsilon platform derivative) 👋 Introduction Market Position Positioning: Premium full-size sedan, positioned as a comfortable and luxurious American alternative to European and Japanese luxury cars of the era. Competitive Analysis Key Competitors: Buick Park Avenue, Cadillac DeVille, Lincoln Continental, Chrysler New Yorker. Key Features Manual Selling Points: Officially licensed, OE-derived information, digital convenience, cost savings over professional repair, comprehensive coverage. Vehicle Selling Points: Spacious interior, comfortable ride, quiet cabin, V6 engine power, distinctive styling for its time. 📋 Manual Details Coverage Areas Primary Coverage: 1994 Oldsmobile 98 Secondary Coverage: Likely includes variants and trim levels of the 1994 98 model year. Page Count Estimated Page Count: Extensive; typically 1000+ pages for comprehensive factory-derived software. Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: Online Software / Digital Access 📖 Manual Coverage Systems Covered Engine: Complete coverage including diagnosis, repair, overhaul, timing, fuel injection, ignition, cooling, lubrication. Transmission: Automatic transmission (e.g., 4T60-E) coverage including diagnosis, fluid service, adjustments, and overhaul procedures. Brakes: Front and rear brake systems, ABS (if equipped), hydraulic components, parking brake, bleeding procedures. Steering: Power steering system, steering column, rack and pinion (if applicable), alignment procedures. Suspension: Front and rear suspension components, struts, shock absorbers, control arms, ball joints, bushings, wheel bearings. Electrical: Extensive coverage of all electrical systems, wiring diagrams, component testing, fuses, relays, lighting, instrumentation, power windows, seats, etc. HVAC: Heating, ventilation, and air conditioning system diagnosis, refrigerant service, component replacement. Body: Body panel repair, doors, windows, locks, trim, interior components, glass replacement. Chassis: Frame components, exhaust system, fuel tank and lines. Procedures Included Maintenance: Routine maintenance, oil changes, filter replacements, fluid checks and top-offs, tune-ups. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics. Repair: Step-by-step repair procedures for all major components and systems. Rebuilds: Detailed overhaul and rebuilding procedures for engines and transmissions. Adjustments: Calibration and adjustment procedures for various systems (e.g., throttle body, parking brake). Installation: Procedures for replacing components and installing accessories. Technical Depth Depth: Comprehensive from basic DIY maintenance to advanced factory-level diagnostics and repairs. 📊 Manual Specifications File Format Digital Format: Web-based access, compatible with PC, laptop, smartphone, tablet via web browser. Print Quality Print Option: Printable pages available for offline use and printing specific sections. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 3.8L V6 Supercharged (L67) or 3.8L V6 Naturally Aspirated (L36) Engine Displacement: 3.8 Liters (231 cubic inches) Performance Horsepower L36: 170 hp @ 4400 rpm Torque L36: 220 lb-ft @ 3200 rpm Horsepower L67: 205 hp @ 4400 rpm Torque L67: 275 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline (87 octane recommended for L36, 91 octane recommended for L67) Engine Codes Engine Code Na: L36 Engine Code Supercharged: L67 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Model: 4T60-E Optional Optional Transmission: N/A (Automatic standard on all models) Features Transmission Features: Electronically controlled, overdrive, torque converter clutch. Fluid Specifications Transmission Fluid Type: Dexron-III Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: 206.5 inches (5245 mm) Width: 74.2 inches (1885 mm) Height: 55.2 inches (1402 mm) Wheelbase: 110.8 inches (2814 mm) Weights Curb Weight: Approx. 3,500 - 3,700 lbs (1588 - 1678 kg), depending on equipment. 🛡️ Safety Features Ratings NHTSA Driver Front Impact: Likely 4 stars (for comparable vehicles of the era, specific '94 data may vary). NHTSA Passenger Front Impact: Likely 4 stars (for comparable vehicles of the era, specific '94 data may vary). Active Features ABS: Standard on most models; Anti-lock Braking System. Passive Features Airbags: Driver and front passenger airbags standard. Seatbelts: Front and rear seatbelts with pretensioners (driver side likely). 💡 Technology Features Infotainment Audio System: Factory premium audio system, likely with cassette player and AM/FM radio. Optional CD player. Driver Assistance Cruise Control: Standard feature. Traction Control: Available on some higher trims or optional. Connectivity Onstar: OnStar was not available in 1994. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used. Consult manual for specific recommendations. Transmission Fluid Change: Recommended every 30,000-60,000 miles or as per severe service schedule. Check manual for exact interval. Spark Plug Replacement: Typically 60,000-100,000 miles for platinum-tipped plugs, depending on engine and plug type. Fluid Specifications Engine Oil Type: API Service SG or SH, SAE 5W-30 viscosity grade recommended for most conditions. Engine Oil Capacity: Approximately 4.5 quarts (4.3 liters) with filter, depending on engine. Check dipstick. Coolant Type: GM P/N 10503558 (Green) or equivalent ethylene glycol based coolant, mixed 50/50 with distilled water. Known Issues Common Failures Engine: Intake manifold gasket leaks, head gasket issues on some early...