🏷️ Basic Information Identification Make: Buick Model: Park Avenue Year: 2004 Trim Levels: Ultra, Custom Codes Platform: G-body (GM_H_Body) 👋 Introduction Market Position Market Segment: Full-size Luxury Sedan Competitive Analysis Key Competitors: Lincoln Town Car, Chrysler 300M, Cadillac DeVille Key Features Vehicle Appeal: Comfortable ride, spacious interior, quiet cabin, V8 power (in earlier models, V6 in 2004), refined styling Manual Value Proposition Convenience: Instant online access, searchable content, available on multiple devices, replaces outdated printed manuals Cost Savings: Enables DIY repairs, reduces dealership service costs Licensing Information Licensing Status: Officially Licensed, OE Material Derived Access Period Access Duration: 1 Year (with discounts for renewal) 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive Service and Repair Page Count Page Count Estimate: Likely over 2000 pages (typical for OE service manuals) Manual Type Manual Type: Official Service and Repair Manual Software Language Language: English Format Format: PDF Download (accessed via web browser) 📖 Manual Coverage Systems Covered Engine: 3.8L Supercharged V6 (L32), 3.8L Naturally Aspirated V6 (L36) Transmission: 4-Speed Automatic (4T65E) Brakes: Front and Rear Disc Brakes, ABS, Traction Control Steering: Power Rack and Pinion Suspension: Front MacPherson Struts, Rear Multi-Link Independent Suspension, Magnasteer II (speed-sensitive steering) Electrical: Complete Wiring Diagrams, Battery, Charging System, Starting System, Lighting, Instrumentation, Body Control Module (BCM), Powertrain Control Module (PCM) HVAC: Heating, Ventilation, Air Conditioning (Automatic Climate Control) Body And Frame: Body Panels, Doors, Windows, Roof, Interior Trim, Frame Components Fuel System: Fuel Tank, Fuel Pump, Fuel Injectors, Fuel Lines Exhaust System: Exhaust Manifolds, Catalytic Converter, Muffler, Pipes Cooling System: Radiator, Water Pump, Thermostat, Hoses, Coolant Infotainment And Electronics: Radio, CD Player, OnStar System, Navigation (if equipped), Power Accessories Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Inspection/Replacement Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Component Testing Repair: Engine Overhaul, Transmission Service, Brake System Repair, Suspension Component Replacement, Electrical Component Repair, Bodywork Repair Assembly Disassembly: Detailed step-by-step procedures for component removal and installation Technical Depth Depth Of Information: Factory-level diagnostic procedures, repair specifications, and wiring diagrams 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High-resolution for clear diagrams and text Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 1: L36 Engine Description 1: 3.8L (3800 cc) Naturally Aspirated Series II V6 Displacement 1: 3791 cc (231 cu. in.) Bore X Stroke 1: 96.5 mm x 86.5 mm (3.80 in x 3.41 in) Compression Ratio 1: 9.4:1 Horsepower 1: 205 hp @ 5200 rpm Torque 1: 230 lb-ft @ 4000 rpm Secondary Engine Engine Code 2: L32 Engine Description 2: 3.8L (3800 cc) Supercharged Series II V6 Displacement 2: 3791 cc (231 cu. in.) Bore X Stroke 2: 96.5 mm x 86.5 mm (3.80 in x 3.41 in) Compression Ratio 2: 8.5:1 Horsepower 2: 240 hp @ 5200 rpm Torque 2: 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MFI) Fuel Type: Unleaded Gasoline (Premium recommended for L32) Fuel Tank Capacity: 17.0 Gallons (64 L) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Model: 4T65E Features Transmission Control: Electronic Control Unit (ECU) controlled Torque Converter: Lock-up type Fluid Specifications Transmission Fluid Type: Dexron III H (or equivalent) Fluid Capacity Transmission Fluid Capacity: Approximately 7.5 Quarts (7.1 Liters) for refill after draining pan 📐 Dimensions Exterior Length: 207.0 inches (5258 mm) Width: 73.4 inches (1864 mm) Height: 57.1 inches (1450 mm) Wheelbase: 113.8 inches (2890 mm) Front Track: 61.8 inches (1570 mm) Rear Track: 61.6 inches (1565 mm) Weights Curb Weight L36: 3700 - 3800 lbs (1680 - 1725 kg) approx. Curb Weight L32: 3800 - 3950 lbs (1725 - 1790 kg) approx. Cargo Trunk Capacity: 17.0 cu. ft. (481 L) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Good NHTSA Front Impact Passenger: Good NHTSA Side Impact Front Driver: Good NHTSA Side Impact Front Passenger: Good NHTSA Side Impact Rear Driver: Good NHTSA Side Impact Rear Passenger: Good NHTSA Rollover: 4/5 stars (depending on configuration) Active Features ABS: Standard (Anti-lock Braking System) Traction Control: Standard (Traction Control System - TCS) Passive Features Airbags Front: Standard (Driver and Passenger Frontal Airbags) Airbags Side: Optional (Front Seat-Mounted Side Airbags) Seatbelts: Three-point active belts in front, three-point belts in rear Child Seat Anchors: LATCH (Lower Anchors and Tethers for CHildren) system 💡 Technology Features Infotainment Audio System: Available Bose premium audio system, AM/FM stereo with CD player Climate Control: Dual-zone automatic climate control Driver Assistance Parking Assistance: Available rear parking assist sensors Connectivity Onstar: Available OnStar communication system Convenience Remote Access: Remote keyless entry, available remote start 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (synthetic oil recommended) Tire Rotation Interval: Every 7,500 miles Engine Coolant Flush: Every 5 years or 100,000 miles...