This manual covers the Buick LaCrosse, a mid-size sedan produced from 2005 to 2009, specifically detailing the 2008 model year. Building on Buick's legacy of comfort and quietness, the LaCrosse offered a spacious interior, a comfortable ride, and upscale styling, positioning itself as a competitive option against rivals like the Ford Taurus and Toyota Avalon. It was equipped with available V6 engines, including 3.5L, 3.6L, and 3.9L displacements, paired with front-wheel drive and either a 4-speed or 6-speed automatic transmission. The vehicle featured a robust safety profile, earning a 5-star NHTSA front crash rating and a 'Good' IIHS side impact rating, complemented by standard safety features like ABS, Traction Control, and Electronic Stability Control. This comprehensive service and repair manual provides in-depth information for DIYers and professional technicians. It covers all major systems, including the powertrain, chassis, body, and electrical components, offering detailed procedures for routine maintenance, component repair, and troubleshooting. The manual includes OE-level technical data, diagnostic information for various modules, and high-resolution diagrams, ensuring accurate and efficient upkeep and repair. Its digital format ensures accessibility and convenience, making it an essential resource for maintaining the performance, reliability, and longevity of your 2008 Buick LaCrosse. 🏷️ Basic Information Identification Make: Buick Model: LaCrosse Year: 2008 Codes Platform: GM W-body (GMT360 platform variant) Generation Generation: 2nd Generation (2005-2009) 👋 Introduction Market Position Segment: Mid-size Sedan Competitive Analysis Key Competitors: Ford Taurus, Toyota Avalon, Nissan Maxima, Chrysler 300 Key Features Vehicle Features: Spacious interior, comfortable ride, available V6 engines, upscale styling for its class. Manual Value Convenience: Instant online access, replaces bulky printed manuals, accessible from multiple devices. Cost Effectiveness: Saves money compared to dealership service or expensive printed manuals. 📋 Manual Details Coverage Areas Scope: Comprehensive Service and Repair Target Audience: DIYers, professional technicians Page Count Estimated Pages: Extensive (digital format, not a fixed page count) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download (Digital Software) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, lubrication system, cooling system, exhaust system, engine control systems, transmission (automatic). Chassis: Suspension (front and rear), steering system, brake system (hydraulic, ABS, traction control), wheels and tires. Body And Electrical: Body structure, exterior components, interior trim, HVAC system, electrical system (wiring diagrams, fuses, relays), lighting, audio system, body control modules (BCM). Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, belt inspection/replacement. Component Repair: Engine diagnostics and repair, transmission service and repair, brake component replacement, suspension and steering linkage repair, exhaust system repair, HVAC system diagnostics and component replacement, electrical component troubleshooting and replacement. Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, wiring diagrams for fault finding. Technical Depth Depth: OE-level (Original Equipment) technical data, providing detailed procedures, specifications, and diagnostic information. Diagnostic Capability: Covers diagnostic procedures for various systems, including powertrain control modules (PCM), anti-lock brake systems (ABS), and body control modules (BCM). 📊 Manual Specifications File Format Compatibility: Compatible with PC, laptop, smartphone, tablet via web browser Print Quality Quality: Digital PDF with high-resolution diagrams and text Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: LLT (for 3.6L V6), LZ9 (for 3.9L V6), SEA (for 3.5L V6) Displacement Liters: 3.5L, 3.6L, 3.9L Configuration: V6 Performance Horsepower 3.5L: 210 hp @ 5700 rpm Torque 3.5L: 217 lb-ft @ 4000 rpm Horsepower 3.9L: 233 hp @ 5600 rpm Torque 3.9L: 247 lb-ft @ 4000 rpm Horsepower 3.6L: 252 hp @ 6200 rpm Torque 3.6L: 251 lb-ft @ 4700 rpm Fuel System Injection Type: Multi-port Fuel Injection (MPFI) or Direct Injection (DI for 3.6L) Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 4-speed automatic (e.g., 4T65-E) Optional Transmission Type Optional: 6-speed automatic (e.g., 6T70, often paired with 3.6L) Features Drive Type: Front-Wheel Drive (FWD) Transmission Fluid Type: Dexron VI 📐 Dimensions Exterior Length In: 199.9 Width In: 72.7 Height In: 58.2 Wheelbase In: 110.7 Weights Curb Weight Lbs: approximately 3,600 - 3,800 lbs (depending on engine and options) 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 5-star (2008 model year) IIHS Side Impact Rating: Good Active Features Standard Safety: Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC - StabiliTrak) Passive Features Airbags: Frontal airbags, side-impact airbags, head curtain airbags 💡 Technology Features Infotainment Infotainment System: Available touchscreen navigation system, premium audio options (e.g., Bose). Driver Assistance Assistance Features: Available front and rear parking assist sensors, rearview camera (limited availability for 2008). Connectivity Connectivity Options: OnStar communications system (subscription-based). 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 12 months, whichever comes first, using synthetic oil (refer to manual for specific recommendation). Air Filter Replacement: Inspect every 15,000 miles, replace as needed (typically every 30,000 miles). Spark Plug Replacement: 3.5L/3.9L V6 (2005-2007): ~100,000...