🏷️ Basic Information Identification Make: Oldsmobile Model: Aurora Years: 1995, 1996, 1997, 1998, 1999 Codes Platform: GM G-body (front-wheel drive) 👋 Introduction Market Position Segment: Full-size Luxury Sedan Target Audience: Discerning buyers seeking a blend of performance, comfort, and technology in a domestic luxury sedan. Competitive Analysis Key Competitors: Lincoln Continental, Cadillac DeVille, Lexus LS, Acura Legend, Mercedes-Benz E-Class. Key Features Design Philosophy: Sleek, aerodynamic styling with a focus on driver comfort and advanced features for its era. Powertrain Highlights: Standard Northstar V8 engine offering strong performance and advanced technologies like sequential fuel injection and dual overhead cams. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for 1995-1999 Oldsmobile Aurora models Page Count Estimated Pages: 2000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L L47 V8, 3.5L L32 V8), Transmission (4T80-E automatic) Chassis: Suspension (struts, shocks, bushings), Steering (power steering, steering rack), Brakes (ABS, hydraulic components, parking brake) Electrical: Wiring diagrams, lighting, starting/charging system, instrument cluster, body control modules, infotainment, HVAC controls Body: Exterior panels, interior trim, doors, windows, glass, seals, upholstery Procedures Included Diagnostic: Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnosis Repair: Component removal and installation, detailed disassembly and reassembly procedures, torque specifications Maintenance: Fluid changes, filter replacements, lubrication, tune-up procedures Adjustments: Wheel alignment, parking brake adjustment, headlamp aiming Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission overhaul, including electrical system diagnostics and repair. 📊 Manual Specifications File Format File Type: Searchable PDF Print Quality Resolution: High-resolution scans of original factory documents Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code 1: L47 (4.0L V8) Displacement 1: 3997 cc Configuration 1: 90-degree V8 Valvetrain 1: DOHC, 4 valves per cylinder Bore X Stroke 1: 93.0 mm x 73.0 mm Compression Ratio 1: 10.3:1 Horsepower 1 95-97: 275 hp @ 6000 rpm Torque 1 95-97: 295 lb-ft @ 4400 rpm Horsepower 1 98-99: 270 hp @ 6000 rpm Torque 1 98-99: 295 lb-ft @ 4400 rpm Optional Engine Engine Code 2: L32 (3.5L V8) Displacement 2: 3500 cc Configuration 2: 90-degree V8 Valvetrain 2: DOHC, 4 valves per cylinder Horsepower 2: 205 hp @ 5200 rpm Torque 2: 230 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (SFI) Fuel Type: Premium Unleaded Gasoline (91 octane recommended) 🔧 Transmission Standard Type: 4-Speed Automatic Transaxle Transmission Code: 4T80-E Optional Availability: N/A (Standard on all models) Features Shift Modes: Driver-selectable 'Normal' and 'Sport' modes Fluid Type: Dexron III (or equivalent) 📐 Dimensions Exterior Length: 207.2 inches Width: 74.4 inches Height: 55.7 inches Wheelbase: 110.8 inches Front Track: 61.7 inches Rear Track: 61.7 inches Interior Front Headroom: 38.7 inches Rear Headroom: 37.8 inches Front Legroom: 42.4 inches Rear Legroom: 38.9 inches Front Shoulder Room: 59.2 inches Rear Shoulder Room: 58.0 inches Cargo Trunk Volume: 16.0 cubic feet Weights Curb Weight 4.0L: 3850 - 3950 lbs (approx.) Curb Weight 3.5L: 3750 - 3850 lbs (approx.) Gross Vehicle Weight Rating: 4900 - 5000 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 stars (1995-1999 models, based on available data) NHTSA Frontal Impact Passenger: 4 stars (1995-1999 models, based on available data) IIHS Side Impact: Acceptable (1995-1999 models, based on available data) Active Features Traction Control: Standard Anti Lock Brakes: Standard (ABS) Stabilitrak: Optional (introduced later in production for some models) Passive Features Airbags Front: Driver and Passenger airbags (standard) Airbags Side: Optional Side-impact airbags available on some trims/years Seatbelts: Front-seat pretensioners, three-point belts for all outboard seating positions. Child Seat Anchors: LATCH system not standard, typically used with tether straps. 💡 Technology Features Infotainment Audio System: Bose premium audio system with CD player and/or cassette tape player, AM/FM radio. Climate Control: Automatic Climate Control with dual-zone temperature settings. Display: Multi-function Driver Information Center (DIC) display. Driver Assistance Cruise Control: Standard Electronic Cruise Control Steering Wheel Controls: Audio and climate controls integrated into the steering wheel. Connectivity Onboard Diagnostics: OBD-II compliant from 1996 onwards. 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles or 6 months (synthetic oil recommended) Engine Air Filter Replacement: 30,000 miles or 24 months Cabin Air Filter Replacement: 15,000 miles or 12 months (if equipped) Spark Plug Replacement L47: 100,000 miles (platinum tipped) Transmission Fluid Change: 50,000 miles or 48 months (under severe conditions: 30,000 miles) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (API SG or higher) Engine Coolant Type: Dex-Cool (Orange) or equivalent silicate-free, extended-life coolant Brake Fluid Type: DOT 3 Known Issues Northstar Head Gaskets: Premature failure of head bolts and gaskets due to aluminum block/head expansion issues. Requires specialized repair procedures outlined in the manual. Intake Manifold Gaskets: Leaking intake manifold gaskets, particularly on early Northstar engines, leading to vacuum leaks and rough...