The 2002 Buick Regal represents a continuation of Buick's legacy for comfortable and refined American sedans, positioned as a sporty yet upscale mid-size vehicle. Built on the versatile GM W-body platform, this generation of the Regal offers a choice between a naturally aspirated 3.8L V6 engine producing 200 horsepower and 225 lb-ft of torque, or a supercharged variant delivering 240 horsepower and 280 lb-ft of torque. The Regal is characterized by its substantial dimensions, including a wheelbase of 109.0 inches, and features such as Anti-lock Braking System (ABS) and optional Traction Control System (TCS), contributing to its solid safety ratings. This comprehensive digital service and repair manual provides essential information for the maintenance and repair of the 2002 Buick Regal. It covers a wide array of systems, including detailed engine mechanical and performance procedures, automatic transmission service, drivetrain, suspension, steering, brakes, and the complete electrical system. Furthermore, the manual includes extensive troubleshooting guides, component replacement instructions, diagnostic procedures, and detailed wiring diagrams. Designed for DIY enthusiasts, independent repair shops, and professional technicians, this English-language resource offers factory-level technical data to ensure the Regal remains in optimal working condition. 🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2002 Generation Generation Code: G-Body (Third Generation) Codes Platform: W-Body (GM W Platform) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and Buick Regal owners seeking detailed technical information. Competitive Analysis Advantage Over Print: More convenient, less expensive than old printed manuals, instant access. Key Features Licensing: Officially licensed, derived from OE (Original Equipment) materials. Information Source: Developed by RepairSurge with licensed information. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Diagnostic Coverage: Comprehensive diagnostic procedures and troubleshooting guides Page Count Estimated Page Count: Varies by specific content, typically several thousand pages in OE equivalent Manual Type Manual Format: Digital Service and Repair Manual Software Language Language: English Format Delivery Method: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, including disassembly, inspection, and reassembly for all applicable engines. Engine Performance: Engine tuning, diagnostics, emissions control systems, and fuel delivery. Transmission Manual: Service and repair procedures for manual transmissions, including clutch operation and diagnostics. Transmission Automatic: Service and repair procedures for automatic transmissions, including hydraulic systems, valve bodies, and torque converters. Drivetrain: Front-wheel drive axle, CV joints, and related components. Suspension: Front and rear suspension systems, including struts, control arms, bushings, and wheel alignment specifications. Steering: Power steering system, steering column, rack and pinion, and related components. Brakes: Front and rear brake systems (disc/disc), ABS, brake lines, calipers, rotors, and pads. Electrical System: Complete wiring diagrams, component locations, battery, charging system, starting system, lighting, and accessory circuits. Climate Control: HVAC system, A/C compressor, refrigerant servicing, heater core, blower motor, and climate controls. Body Exterior: Exterior panels, doors, hood, trunk lid, bumpers, glass, and trim. Body Interior: Interior trim panels, seats, dashboard, and related components. Safety Systems: Airbag system diagnostics and service, seat belts. Procedures Included Scheduled Maintenance: Detailed maintenance schedules and procedures for all intervals. Troubleshooting: Systematic troubleshooting guides and diagnostic flowcharts for common and complex issues. Repair Instructions: Step-by-step repair instructions for all major components and systems. Component Replacement: Detailed procedures for replacing all serviceable components. Diagnostic Procedures: Procedures for using diagnostic tools and interpreting fault codes. Torque Specifications: Comprehensive list of torque specifications for all fasteners. Wiring Diagrams: Color-coded, detailed wiring diagrams for all vehicle systems. Technical Depth Depth Level: Factory-level technical information, suitable for professional technicians and advanced DIYers. Diagnostic Tools: Information on using specific diagnostic tools and scan data. Rebuild Procedures: Detailed instructions for rebuilding major components like engines and transmissions. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for quick information retrieval. Print Quality Image Resolution: High resolution for clear diagrams and illustrations. Binding Type Digital Format: Downloadable file, no physical binding. Paper Type Digital Format: N/A (Digital) Access Access Duration: 1 Year of access Device Compatibility: PC, Laptop, Smartphone, Tablet with web browser and internet connection. ⚙️ Engine Specifications Primary Engine Engine Codes: 3.8L V6 (VIN 2, L36 - naturally aspirated), 3.8L V6 (VIN X, L67 - supercharged) Performance Horsepower L36: 200 hp @ 5200 rpm Torque L36: 225 lb-ft @ 4000 rpm Horsepower L67: 240 hp @ 5200 rpm Torque L67: 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Central Port Fuel Injection (SCPI) Fuel Type: Unleaded Gasoline (87 octane recommended) 🔧 Transmission Standard Type: 4-Speed Automatic (4T65-E) Optional Type: No manual transmission offered for 2002 model year Regal. Features Features: Driver-Shift Control, electronic control with torque converter clutch. 📐 Dimensions Exterior Length: 199.7 inches (5072 mm) Width: 71.4 inches (1813 mm) Height: 56.7 inches (1440 mm) Wheelbase: 109.0 inches (2769 mm) Weights Curb Weight: Approximately 3400-3500 lbs (1542-1588 kg), varies by trim and options. 🛡️ Safety Features Ratings NHTSA Front Impact:...