🏷️ Basic Information Identification Make: Buick Model: Lucerne Year Range: 2006-2009 Codes Platform: GM G-body (second generation) 👋 Introduction Market Position Segment: Full-size luxury sedan Competitive Analysis Competitors: Ford Crown Victoria, Mercury Grand Marquis, Toyota Avalon, Chrysler 300 Key Features Comfort And Luxury: Smooth ride, quiet cabin, spacious interior, available premium features Powertrain Options: Available V6 and V8 engines, front-wheel drive (FWD) and optional all-wheel drive (AWD) 📋 Manual Details Coverage Areas Service Scope: All repairs, servicing, and troubleshooting procedures Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, cooling system, lubrication system, fuel system, ignition system, exhaust system, starting system, charging system Drivetrain: Automatic transmission (4T80-E, 4T65-E/4T65-E HD), transaxle, drive axles, differentials Chassis: Suspension (front and rear), steering system, braking system (ABS, traction control), wheels and tires Electrical: Battery, starting and charging, lighting, instruments and indicators, horn, wiper and washer systems, power windows, power door locks, mirrors, seats, antennas, audio system, climate control blower, trailer wiring Body: Body structure, exterior trim, doors, hood, decklid, interior trim, seating systems, glass and mirrors, roof systems, bumpers HVAC: Heating, ventilation, and air conditioning systems, controls, refrigerant charging Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tire rotation, brake inspection Troubleshooting: Diagnostic procedures, symptom-based troubleshooting, wiring diagrams, component testing Repair: Component removal and installation, rebuild procedures, body repair, electrical system diagnosis and repair Diagnostics: On-Board Diagnostics (OBD-II) system, diagnostic trouble codes (DTCs), scan tool usage Technical Depth Depth: Comprehensive, including detailed photos, diagrams, exploded views, specifications, and step-by-step instructions for professional mechanics and technicians 📊 Manual Specifications File Format Compatibility: Windows and MAC computers Print Quality Printability: Printable pages (single or entire manual) Binding Type Binding: Digital download (no physical binding) Paper Type Paper Type: N/A (digital format) Licensing Usage Rights: Lifetime use, unlimited computers, no expiry dates, no renewal fees ⚙️ Engine Specifications Primary Engine Engine 3.8L V6: 3.8L naturally aspirated OHV V6 (L32) Engine 3.8L V6 Horsepower: 205 hp @ 5200 rpm Engine 3.8L V6 Torque: 230 lb-ft @ 3200 rpm Engine 3.8L V6 Fuel System: Sequential Multi-Port Fuel Injection (MPI) Engine 3.8L V6 Bore X Stroke: 96.52 mm x 107.0 mm (3.80 in x 4.21 in) Engine 3.8L V6 Compression Ratio: 9.5:1 Engine 3.8L V6 Oil Capacity: 4.5 quarts (4.3 L) with filter (refer to manual for exact specification) Engine 3.8L V6 Recommended Oil: SAE 5W-30 (refer to manual for exact specification and Dexos approval if applicable) Optional Engine Engine 4.6L V8: 4.6L naturally aspirated DOHC V8 (Northstar L37) Engine 4.6L V8 Horsepower: 292 hp @ 6400 rpm (L37) Engine 4.6L V8 Torque: 285 lb-ft @ 4400 rpm (L37) Engine 4.6L V8 Fuel System: Sequential Electronic Fuel Injection (EFI) Engine 4.6L V8 Bore X Stroke: 93 mm x 84 mm (3.66 in x 3.31 in) Engine 4.6L V8 Compression Ratio: 10.3:1 (L37) Engine 4.6L V8 Oil Capacity: 5.25 quarts (4.97 L) with filter (refer to manual for exact specification) Engine 4.6L V8 Recommended Oil: SAE 5W-30 (refer to manual for exact specification and Dexos approval if applicable) Engine 4.6L V8 Variant: Northstar V8 (L37) - Performance variant, also available is a slightly detuned CXS version (275hp/295lb-ft) 🔧 Transmission Standard Transmission Type: 4-speed automatic (4T65-E or 4T65-E HD for V8, 4T80-E for AWD V8) Features Transmission Features: Electronically controlled, driver shift control, performance algorithms Fluid Specifications Transmission Fluid Type: Dexron VI Automatic Transmission Fluid (ATF) (refer to manual for specific models) Fluid Capacity Transmission Fluid Capacity: Approx. 6.5 quarts (6.2 L) for 4T65-E, 8.0 quarts (7.6 L) for 4T80-E (refer to manual for precise capacity) 📐 Dimensions Exterior Length: Approximately 203.4 inches (5167 mm) Width: Approximately 73.6 inches (1870 mm) Height: Approximately 57.9 inches (1471 mm) Wheelbase Wheelbase: Approximately 116.0 inches (2946 mm) Weights Curb Weight: Varies by model and powertrain, typically 3700-4000 lbs (1680-1815 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (driver and passenger) for all model years tested IIHS Side Impact: Good (for applicable model years) Active Features Braking System: Four-wheel anti-lock disc brakes (ABS) Traction Control: Traction Control System (TCS) standard on most trims, often integrated with StabiliTrak on higher trims Passive Features Airbags: Frontal airbags for driver and passenger, side-impact airbags, available head curtain airbags Seatbelts: Three-point seatbelts with pretensioners 💡 Technology Features Infotainment Infotainment System: Available touchscreen navigation, premium audio systems (Bose), dual-zone climate control Driver Assistance Driver Assistance Features: Available parking assist sensors, StabiliTrak stability control Connectivity Connectivity Options: Available OnStar system 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months (whichever comes first) using synthetic oil (refer to manual for specific intervals based on driving conditions) Transmission Fluid Change: Check at 7,500 miles, change at 100,000 miles or as per manual recommendation based...