🏷️ Basic Information Identification Make: Buick Model: Regal Year: 1999 Codes Chassis Code: W-body (L67 Supercharged, L36 3800 V6) 👋 Introduction Market Position Positioning: The 1999 Buick Regal was positioned as a mid-size sedan, often marketed as a comfortable and refined option with optional performance variants. Competitive Analysis Competitors: Competed against vehicles like the Ford Taurus, Chevrolet Lumina, Chrysler Concorde, and Toyota Camry in the mid-size sedan segment. Key Features Features: Known for its comfortable ride, quiet interior, and the availability of the potent supercharged 3800 Series II V6 engine, offering a blend of luxury and performance. Manual Utility: Offers step-by-step instructions, diagrams, illustrations, and specifications to enable users to maintain, service, diagnose, and repair their vehicle with confidence. Manual Type Authenticity: This is the exact same manual used by dealership technicians, ensuring accuracy and comprehensive coverage. 📋 Manual Details Coverage Areas General Coverage: All models and all repairs A-Z Model Variants Covered: Includes all trims and engine options for the 1999 Buick Regal Page Count Estimated Page Count: Varies by specific vehicle configuration, but comprehensive factory manuals typically exceed 2000 pages for a full service manual. Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Download Digital Convenience: One easy-to-use PDF manual, eliminating the need to flip through multiple books. Users can print only the necessary pages. Compatibility Operating Systems: Compatible with Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac operating systems. Requirements Software Requirements: Adobe PDF Reader and Winzip (free online) 📖 Manual Coverage Systems Covered Engine And Powertrain: Engine mechanical, control system, fuel service, emission control, intake/exhaust, cooling, lubrication, ignition, starting, charging, automatic transmission, manual transmission, transfer case, drive axle, differential. Chassis And Suspension: Axle, suspension, tire and wheel, brake control, brakes, parking brake, steering column, power steering. Electrical And Body: Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wiper/washer, door locks, meter/audio/visual, horn, windshield/glass/mirror, instrument panel, seats, engine hood/door, exterior/interior, electrical systems, multiplex/CAN communication. Engine Control: Engine mechanical, fuel injection system, ignition system, emission control systems, diagnostic trouble codes (DTCs). Body And Frame: Body panels, doors, hinges, latches, windows, mirrors, interior trim, and external moldings. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections. Diagnostics: Troubleshooting guides, diagnostic flowcharts, DTC interpretation (where applicable). Repair And Rebuild: Component removal, disassembly, reassembly, installation, and overhaul procedures. Engine Repair: Engine assembly/disassembly, cylinder head service, piston and connecting rod service, crankshaft service, timing system service. Transmission Repair: Automatic transmission disassembly, assembly, repair, and diagnosis. Brake System Repair: Front and rear brake service, brake fluid flush and replacement, parking brake adjustment. Suspension And Steering: Front and rear suspension component replacement, power steering system diagnosis and repair, wheel alignment procedures. Electrical Troubleshooting: Detailed procedures for diagnosing and repairing common electrical faults, including instrument cluster issues, lighting, and power accessories. Technical Depth Depth: Factory-level, complete step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for diagnosis, maintenance, and repair. Wiring Schematics: Includes detailed wiring diagrams for all electrical systems, crucial for troubleshooting complex electrical issues. Diagnostic Charts: Provides systematic diagnostic charts and flowcharts to identify and resolve problems efficiently. Specifications Data: Includes torque specifications, clearances, resistance values, voltage readings, and other critical technical data for all repair procedures. 📊 Manual Specifications File Format Format Details: Digital PDF, compatible with Adobe PDF Reader. Print Quality Printability: All pages are printable. Ability to enlarge images for detailed viewing and printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options: 3.8L V6 (L36) naturally aspirated and 3.8L V6 Supercharged (L67) Performance L36 Horsepower: 200 hp @ 5200 rpm L36 Torque: 225 lb-ft @ 3200 rpm L67 Horsepower: 240 hp @ 5200 rpm L67 Torque: 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Fuel Type: Unleaded gasoline, 87 octane recommended for L36, 91 octane recommended for L67 (Supercharged). Engine Codes Engine Codes: L36 (3800 V6), L67 (3800 Series II Supercharged V6) 🔧 Transmission Standard Standard Transmission: 4-speed automatic (4T65E) Optional Optional Transmission: N/A (Only automatic offered for 1999 model year) Features Transmission Features: Electronically controlled, with overdrive and torque converter clutch. 📐 Dimensions Exterior Wheelbase: 109.0 inches (2769 mm) Length: 197.5 inches (5017 mm) Width: 70.4 inches (1788 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: Approximately 3400-3600 lbs (1542-1633 kg) depending on engine and trim. 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 stars (1999 model year, as per available historical data for similar GM W-body vehicles) NHTSA Frontal Impact Passenger: 4 stars (1999 model year, as per available historical data for similar GM W-body vehicles) Active Features ABS: Standard (Anti-lock Braking System) Passive Features Airbags: Driver and front passenger airbags Srs: Supplemental Restraint System (Airbags) Seat Belts: Three-point front and rear seat belts. 💡 Technology Features...