The Buick Regal, a mid-size sedan produced for the 2011 model year, offers a blend of European-inspired design and refined comfort. Built on the GM Epsilon II platform, this vehicle was engineered to provide a sophisticated driving experience, appealing to buyers seeking a stylish and technologically advanced option in its segment. Available with a choice of potent powertrains, including turbocharged four-cylinder and V6 engines, the 2011 Regal was noted for its responsive handling, particularly in its sport-tuned variants, reflecting Buick's legacy of producing quality and reliable vehicles. This comprehensive service and repair manual provides in-depth technical information for the 2011 Buick Regal. It covers all essential systems, including detailed procedures for engine, transmission, brakes, suspension, steering, electrical systems, HVAC, fuel, exhaust, body, interior, infotainment, and safety systems. The manual includes scheduled maintenance guidelines, troubleshooting diagnostics, step-by-step repair and overhaul instructions, component replacement guides, calibration procedures, technical specifications, and complete wiring diagrams. This resource is invaluable for owners, mechanics, and technicians aiming to maintain, diagnose, and repair the vehicle effectively. 🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2011 Codes Platform: GM Epsilon II 👋 Introduction Market Position Segment: Mid-size sedan Target Audience: Buyers seeking a stylish, comfortable, and technologically advanced sedan with a European influence Competitive Analysis Key Competitors: Acura TSX, Honda Accord, Toyota Camry, Nissan Altima, Ford Fusion, Volkswagen Passat Key Features Design Philosophy: European-inspired styling, sophisticated interior, comfortable ride Powertrain Options: Turbocharged four-cylinder engine and V6 engine options for 2011 Handling: Sport-tuned suspension (especially on Regal CXL Turbo and GS models) 📋 Manual Details Coverage Areas Vehicle Make: Buick Vehicle Model: Regal Vehicle Year: 2011 Page Count Estimated Pages: Thousands (typical for OE service manuals) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download (Access via Web Browser) 📖 Manual Coverage Systems Covered Engine: Internal combustion engine systems, including diagnostics, repair, and overhaul Transmission: Automatic and manual transmission diagnostics, repair, and fluid service Brakes: Hydraulic brake system, ABS, EBD, brake pad/rotor replacement, caliper service Suspension: Front and rear suspension components, shock absorbers, struts, bushings, alignment Steering: Power steering system, steering rack, tie rods, column components Electrical: Complete vehicle electrical system, wiring diagrams, component testing, charging system, starting system HVAC: Heating, ventilation, and air conditioning system diagnostics, refrigerant handling, component replacement Fuel System: Fuel pump, injectors, fuel lines, evaporative emissions control (EVAP) Exhaust System: Exhaust manifolds, catalytic converters, mufflers, emissions controls Body And Frame: Body panel repair, door mechanisms, glass replacement, structural information Interior: Trim panel removal, seat adjustments, dashboard components Infotainment: Radio, navigation, display unit diagnostics and repair (may vary in depth) Safety Systems: Airbag system, seat belts, safety control modules Procedures Included Maintenance: Scheduled maintenance tasks, oil changes, filter replacements, fluid checks Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting, fault code interpretation Repair: Step-by-step repair procedures for all major vehicle systems Overhaul: Engine and transmission overhaul procedures Component Replacement: Detailed instructions for replacing individual components Calibration: Procedures for calibrating sensors and control modules (e.g., steering angle sensor) Technical Specifications: Torque values, clearances, specifications for all procedures Wiring Diagrams: Comprehensive electrical wiring diagrams for all circuits Technical Depth Depth: OE-level technical information, suitable for professional technicians and advanced DIYers 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval Print Quality Quality: High-resolution for clear diagrams and text Binding Type Access Method: Digital download with one-year access Paper Type Compatibility: Accessible on PC, laptop, smartphone, tablet via web browser ⚙️ Engine Specifications Primary Engine Engine Code 1: LAF (2.4L Ecotec DOHC DI VVT 4-cylinder) Displacement 1: 2.4 liters (2384 cc) Horsepower 1: 182 hp @ 6700 rpm Torque 1: 172 lb-ft @ 4900 rpm Performance Engine Code 2: LSJ (2.0L Ecotec Turbocharged DOHC DI VVT 4-cylinder) Displacement 2: 2.0 liters (1998 cc) Horsepower 2: 220 hp @ 5300 rpm Torque 2: 260 lb-ft @ 2500-4000 rpm Engine Code 3: LLT (3.6L V6 DOHC DI VVT) Displacement 3: 3.6 liters (3564 cc) Horsepower 3: 292 hp @ 6300 rpm Torque 3: 260 lb-ft @ 3400 rpm Fuel System Fuel Delivery: Direct Injection (DI) and Port Fuel Injection (PFI) depending on engine Fuel Type: Unleaded gasoline Recommended Octane: 87 or higher (91 recommended for Turbo/V6 for optimal performance) 🔧 Transmission Standard Type 1: 6-speed automatic transmission (Hydra-Matic 6T70/6T75) Optional Type 2: None for 2011 model year Features Shift Modes: Driver Shift Control (manual mode) Fluid Type 6T70: Dexron VI Automatic Transmission Fluid 📐 Dimensions Exterior Length: 191.4 inches (4862 mm) Width: 73.1 inches (1857 mm) Height: 58.4 inches (1483 mm) Wheelbase: 107.8 inches (2738 mm) Weights Curb Weight Base: 3579 lbs (1623 kg) for 2.4L model Curb Weight Turbo: 3610 lbs (1638 kg) for 2.0T model Curb Weight V6: 3713 lbs (1684 kg) for 3.6L V6 model 🛡️ Safety Features Ratings NHTSA Overall Rating: 5-Star (as reported for comparable...