The 2016 Buick Regal is a mid-size sedan designed to offer a premium experience at a competitive price point, rivaling established luxury brands. Built on the GM Epsilon II platform and manufactured in Oshawa, Ontario, Canada, it showcases European-influenced styling and driving dynamics. Available with a 2.0L turbocharged inline-four engine producing 259 horsepower and 295 lb-ft of torque, or a 3.6L V6 engine delivering approximately 305 horsepower, the Regal offers engaging performance. It features a refined interior, advanced technology like the IntelliLink infotainment system with available Apple CarPlay and Android Auto, and a suite of driver-assistance features. The Regal's commitment to safety is underscored by its generally high NHTSA and IIHS safety ratings, making it a well-rounded choice for discerning drivers seeking comfort, performance, and value. This comprehensive workshop service repair manual provides detailed technical information for the 2016 Buick Regal, covering all models, trims, engines, and transmissions. It is written in English and presented in a digital format, offering extensive coverage of all major vehicle systems. Inside, you will find in-depth procedures for routine maintenance, complex repair and replacement tasks, and thorough diagnostics for powertrain, drivetrain, suspension, steering, brakes, electrical systems, HVAC, and infotainment. The manual includes essential technical specifications, torque values, fluid capacities, and clear electrical wiring diagrams to assist owners, mechanics, and technicians in maintaining, troubleshooting, and repairing the vehicle effectively and efficiently. 🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2016 Codes Platform: GM Epsilon II 👋 Introduction Market Position Segment: Mid-size sedan/coupe, targeting the premium/near-luxury segment. Competitive Analysis Key Competitors: Acura TLX, Infiniti Q50, Lexus ES, Lincoln MKZ, BMW 3 Series (entry-level trims). Key Features Design Philosophy: European-influenced styling and driving dynamics, leveraging GM's global platforms. Value Proposition: Offers premium features and refinement at a competitive price point compared to established luxury brands. 📋 Manual Details Coverage Areas All Models Trims Engines Transmissions: Yes Page Count Estimated Page Count: Detailed and extensive, typically 2000+ pages for a complete workshop manual covering all aspects. Manual Type Manual Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Digital Downloadable (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, emissions control, cooling system, lubrication system, engine electrical, powertrain control module (PCM) diagnostics. Transmission: Automatic transmission (e.g., 8T45/8T50/8T75 depending on engine), transmission control module (TCM) diagnostics, torque converter, shift control systems. Drivetrain: Front-wheel drive (FWD), All-wheel drive (AWD) systems, drive shafts, CV joints, differential. Suspension: Front suspension (MacPherson strut), rear suspension (multi-link), shock absorbers, springs, control arms, bushings, wheel alignment specifications. Steering: Electric Power Steering (EPS) system, steering column, steering rack, tie rods, power steering fluid (if applicable to specific EPS design). Brakes: Hydraulic brake system, anti-lock braking system (ABS), electronic stability control (ESC), brake rotors, pads, calipers, brake fluid specifications, parking brake. Electrical System: Battery, charging system, starting system, lighting system (headlights, taillights, interior), power windows, door locks, mirrors, wipers, horns, fuses, relays, wiring diagrams. Body And Chassis: Body panels, doors, hood, trunk, bumpers, glass, mirrors, interior trim, underbody coatings, structural components. HVAC: Heating, ventilation, and air conditioning (HVAC) system, refrigerant specifications, compressor, condenser, evaporator, climate control module. Infotainment And Electronics: Audio system, navigation system, instrument cluster, dashboard lights, driver information center, sensors, control modules. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, cabin), fluid checks and top-offs, tire rotations, spark plug replacement. Troubleshooting: Diagnostic trouble codes (DTCs) interpretation, symptom-based diagnostics, common problem resolution. Repair And Replacement: Engine component overhaul, transmission repair, brake system overhauls, suspension component replacement, electrical component diagnosis and replacement, body panel repair. Diagnostics: Detailed diagnostic procedures for all major systems, including scan tool usage and interpreting live data. Schematics And Diagrams: Comprehensive electrical wiring diagrams, vacuum diagrams, and flow charts. Specifications: Torque specifications for all fasteners, clearances, fluid capacities, and diagnostic parameters. Technical Depth Depth: Comprehensive from basic maintenance to full engine and transmission rebuilds, including advanced electrical diagnostics and bodywork procedures. 📊 Manual Specifications File Format File Format: Portable Document Format (PDF) Print Quality Print Quality: High-resolution for clear text and diagrams, suitable for printing. Binding Type Binding Type: Digital (No physical binding) Paper Type Paper Type: Digital (Not applicable to physical paper) ⚙️ Engine Specifications Primary Engine Engine Options: 2.0L Turbocharged Inline-4 (LTG), 3.6L Naturally Aspirated V6 (LFX, likely phased out or optional in some trims). Performance 2.0T Horsepower 2.0T: 259 hp @ 5300 rpm Torque 2.0T: 295 lb-ft @ 2500-5000 rpm Performance 3.6V6 Horsepower 3.6V6: 305 hp @ 6800 rpm (approx.) Torque 3.6V6: 264 lb-ft @ 5200 rpm (approx.) Fuel System Fuel Delivery: Direct Injection (DI) for both engines. Fuel Type: Premium Unleaded Gasoline (recommended for turbocharged engines) Engine Management ECU Type: General Motors Powertrain Control Module (PCM) 🔧 Transmission Standard Transmission Type 2.0T: 6-speed automatic (e.g., 6T45) Optional Transmission Type AWD: 8-speed automatic (e.g., 8T45/8T50) for AWD models, potentially...