The Buick Allure, also known as the LaCrosse in certain markets, is a full-size sedan produced from 2005 to 2009. Built on the GM W-body platform, it was designed with an emphasis on American luxury, comfort, and a smooth driving experience, targeting drivers and families seeking refinement. The Allure offered a quiet cabin and premium appointments, featuring available audio systems and comfortable interiors. Engine options included a 3.6L V6, a 3.8L Supercharged V6, and a 3.9L V6, all paired with a 4-speed automatic transaxle. The vehicle received positive safety ratings, including 5-star NHTSA frontal and side impact scores, and achieved 'Good' ratings in IIHS frontal and side impact tests. This Factory Workshop Service Repair Manual provides comprehensive English-language documentation for the Buick Allure models from 2005-2009. It covers all major vehicle systems in extensive detail, including engine diagnostics and repair for its V6 variants, automatic transmission procedures, braking systems, suspension, steering, and the entire electrical system with detailed wiring diagrams. The manual also includes information on HVAC, bodywork, restraint systems, cooling, fuel, and exhaust systems, along with specifications for wheels and tires. Maintenance schedules, troubleshooting guides, repair instructions, and diagnostic procedures using tools like the GM Tech 2 are thoroughly explained, offering factory-level technical depth for owners and technicians alike. 🏷️ Basic Information Identification Make: Buick Model: Allure Model Nickname: LaCrosse (in certain markets) Production Years Covered: 2005, 2006, 2007, 2008, 2009 Codes Platform: GM W-body (GMT360 for some components) 👋 Introduction Market Position Vehicle Class: Full-size sedan (often classified as a premium mid-size sedan). Target Audience: Designed for comfort-oriented drivers, families, and those seeking a refined American sedan experience. Competitive Analysis Key Competitors: Ford Five Hundred/Taurus, Toyota Avalon, Mercury Grand Marquis, Chrysler 300. Key Features Premium Appointments: Known for its quiet cabin, comfortable ride, and available premium features like leather upholstery and advanced audio systems. Design Philosophy: Emphasis on American luxury, comfort, and a smooth driving experience. 📋 Manual Details Coverage Areas Manual Type: Factory Workshop Service Repair Manual Language: English Format: Digital Download (implied, also offers shipping) Page Count Estimated Page Count: Extensive, likely over 1500 pages (typical for factory service manuals) 📖 Manual Coverage Systems Covered Engine: Detailed coverage for all available engine variants, including diagnostics, repair, and overhaul. Transmission: Comprehensive information on automatic transmissions, including repair, adjustment, and diagnostic procedures. Brakes: Full coverage of ABS, electronic brake force distribution, disc brake systems, and parking brake. Suspension: Detailed procedures for front and rear suspension systems, including struts, control arms, and alignment. Steering: Coverage of power steering systems, steering column, and steering gear. Electrical: Extensive coverage of the entire electrical system, including wiring diagrams, fuses, relays, sensors, and control modules. HVAC: Detailed diagnostics and repair procedures for the heating, ventilation, and air conditioning system. Bodywork: Information on body panels, trim, glass, doors, and exterior components. Restraints: Comprehensive coverage of airbag systems, seat belts, and related components. Cooling System: Detailed procedures for radiator, fan, thermostat, and coolant flow diagnostics and repair. Fuel System: Coverage of fuel pump, injectors, fuel lines, and evaporative emissions control. Exhaust System: Information on catalytic converters, mufflers, and exhaust manifold repair. Wheels And Tires: Specifications for wheel bolt patterns, tire sizes, and pressure monitoring systems. Procedures Included Maintenance: Scheduled maintenance procedures, fluid changes, filter replacements, and inspections. Troubleshooting: Extensive diagnostic flowcharts and symptom-based troubleshooting guides for common and complex issues. Repair: Step-by-step repair instructions for all major vehicle systems, including component removal and installation. Diagnostics: Detailed guidance on using diagnostic scan tools (e.g., GM Tech 2), interpreting diagnostic trouble codes (DTCs), and performing system tests. Component Replacement: Specific procedures for replacing key components like alternators, starters, fuel pumps, and various sensors. Alignment: Specifications and procedures for front and rear wheel alignment. Technical Depth Depth: Factory-level technical depth, suitable for professional technicians and advanced DIY mechanics. Wiring Diagrams: Detailed, color-coded wiring diagrams for all electrical circuits. Torque Specifications: Precise torque values for all fasteners. Diagnostic Tools Required: Identification of specific tools and equipment needed for diagnosis and repair, including OEM diagnostic interfaces. 📊 Manual Specifications File Format Digital Format Details: Likely a PDF or similar document format, optimized for readability and searchability. Hi-resolution illustrations and photos are emphasized. Print Quality Illustration Quality: High resolution, clear and detailed illustrations, photos, and diagrams. Binding Type Physical Format Binding: Not applicable for digital, but implies a robust, factory-standard compilation if printed. Paper Type Physical Format Paper: Not applicable for digital, but factory manuals are typically printed on high-quality, durable paper. ⚙️ Engine Specifications Primary Engine Engine Options: 3.6L V6 (LY7), 3.8L V6 (L32 - Supercharged), 3.9L V6 (LZ9) 3.6L V6 (Ly7): 2005-2009: 3.6L DOHC V6, 255 hp @ 6300 rpm, 250 lb-ft torque @ 3200 rpm. Features Active Fuel Management (AFM) in later models. 3.8L V6 Supercharged (L32): 2005-2008: 3.8L OHV V6 Supercharged, 240 hp @ 5200 rpm, 280...