🏷️ Basic Information Identification Make: Buick Model: Park Avenue Year: 1999 Trim Levels Covered: All trim levels, including base and Ultra 👋 Introduction Market Position Market Position: Premium large sedan, offering comfort, luxury, and advanced features for its time. Competitive Analysis Competitors: Competed with vehicles like the Lincoln Continental, Cadillac DeVille, and Chrysler LHS. Key Features Key Features Vehicle: Comfortable ride, spacious interior, quiet cabin, optional supercharged engine (Ultra trim). Key Features Manual: Licensed OE data, accessible online, DIY friendly, comprehensive coverage, cost-effective alternative to printed manuals. 📋 Manual Details Coverage Coverage Areas: Comprehensive service and repair information for all major vehicle systems Page Count: Not explicitly stated, but described as extensive 'factory-derived' information Type Manual Type: Service and Repair Manual Software Format Language: English Format: Digital PDF Download (Online Access) Access Access Duration: 1 Year of access included, with discounts for extended access 📖 Manual Coverage Systems Systems Covered: Engine, Drivetrain (Transmission, Axles), Brakes, Suspension, Steering, HVAC (Heating, Ventilation, Air Conditioning), Electrical System (Wiring Diagrams, Components), Body & Chassis, Fuel System, Exhaust System, Cooling System, Lubrication System, Ignition System, Emission Controls, Safety Systems Procedures Procedures Included: Routine Maintenance, Scheduled Service, Troubleshooting Diagnoses, Component Removal & Installation, Repair Procedures, Overhaul Procedures, Diagnostic Codes (DTCs), Electrical Component Testing, Fluid Checks & Changes, Brake System Service, Suspension & Steering Adjustments, HVAC System Servicing Depth Technical Depth: Extensive; covers from basic maintenance to in-depth repair and diagnostics, equivalent to factory service information. 📊 Manual Specifications File File Format: PDF (downloadable via web browser) Print Print Quality: High-resolution, printable pages Binding Binding Type: N/A (Digital) Paper Paper Type: N/A (Digital) Compatibility Device Compatibility: Compatible with PC, Laptop, Smartphone, Tablet via web browser ⚙️ Engine Specifications Primary Engine Primary Engine Option: 3.8L V6 (Naturally Aspirated) Engine Code Na: L36 Displacement Na: 3791 cc (231.3 cubic inches) Horsepower Na: 205 hp @ 5200 rpm Torque Na: 230 lb-ft @ 3200 rpm Optional Engine Optional Engine Option: 3.8L V6 (Supercharged) Engine Code Sc: L67 Horsepower Sc: 240 hp @ 5200 rpm Torque Sc: 280 lb-ft @ 3600 rpm Fuel System Fuel System: Sequential Multi-Port Fuel Injection (MFI) Cooling System Coolant Type: Dex-Cool (Orange, long-life) or equivalent silicate-free coolant Lubrication Oil Type: SAE 5W-30 API Certified Oil Capacity W Filter: 4.5 US Quarts (4.3 Liters) 🔧 Transmission Standard Standard Transmission: 4-Speed Automatic Transaxle Transmission Model Na: 4T65-E Optional Optional Transmission: 4-Speed Automatic Transaxle (Heavy-Duty) Transmission Model Sc: 4T65-E HD (for Supercharged models) Features Transmission Features: Electronically controlled, adaptive shifting, lock-up torque converter Fluid Transmission Fluid Type: Dexron-III (or Dexron-VI compatible) automatic transmission fluid Transmission Fluid Capacity: Approx. 5.0 US Quarts (4.7 Liters) for a dry fill (total capacity higher) 📐 Dimensions Exterior Wheelbase: 110.5 inches (2807 mm) Length: 201.0 inches (5105 mm) Width: 73.7 inches (1872 mm) Height: 55.9 inches (1420 mm) Weights Curb Weight Na: Approx. 3,600 - 3,700 lbs (1633 - 1678 kg) Curb Weight Sc: Approx. 3,800 - 3,900 lbs (1724 - 1769 kg) Interior Front Headroom: 39.3 inches (998 mm) Rear Headroom: 38.3 inches (973 mm) Front Legroom: 43.1 inches (1095 mm) Rear Legroom: 39.7 inches (1008 mm) Cargo Trunk Capacity: 17.2 cubic feet (487 Liters) 🛡️ Safety Features Ratings NHTSA Driver Front Impact: 4 Stars (1999 Model Year) NHTSA Passenger Front Impact: 4 Stars (1999 Model Year) Active Features Active Safety Features: Anti-lock Braking System (ABS), Traction Control System (TCS - standard on Ultra, optional on base) Passive Features Passive Safety Features: Driver and front passenger airbags, front side-impact airbags (optional), reinforced passenger cage, crumple zones. 💡 Technology Features Infotainment Infotainment Features: Optional premium audio systems, CD player, cassette player, steering wheel audio controls. Driver Assistance Driver Assistance Features: Traction control, optional active suspension (Gran Touring Suspension) on some models. Comfort Features Comfort Features: Dual-zone automatic climate control, heated seats, power adjustable pedals (optional), memory seats, steering wheel mounted climate and audio controls. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles or 6 months, whichever comes first (depending on driving conditions and oil type used). Tire Rotation Interval: Every 5,000 - 7,500 miles Coolant Flush Interval: Initially at 5 years or 100,000 miles, then every 2-5 years or 50,000-100,000 miles thereafter (depending on coolant type). Transmission Fluid Change Interval: Typically every 50,000 - 100,000 miles under normal driving conditions, or sooner if severe service. Fluid Specifications Power Steering Fluid: GM Power Steering Fluid or Dexron-III ATF Brake Fluid: DOT 3 Known Issues Known Issues General: Intake manifold gasket leaks (especially on earlier 3800 V6 engines), coolant elbow leaks, power steering pump leaks, alternator failure, power window regulator issues, rear main seal leaks, ABS sensor failures, and occasional transmission solenoid issues. Known Issues Supercharger: Supercharger belt issues, potential for supercharger coupler wear. Parts Common Filters Oil: ACDelco PF1233, Wix 51042, Fram PH3565 (verify specific engine application) 📚 Vehicle History Brand...