The 1999 Buick Regal is a mid-size sedan known for its comfortable ride, quiet interior, and the availability of a powerful supercharged 3800 Series II V6 engine. Positioned in a competitive segment, it offered a blend of refinement and performance, often appealing to those seeking a capable and comfortable daily driver. This generation of the Regal, built on the versatile GM W-body platform, was assembled in North America and featured both naturally aspirated (L36) and supercharged (L67) engine options, providing distinct driving experiences. Standard safety features included anti-lock brakes and driver and front passenger airbags, enhancing its appeal as a practical family vehicle. This service and repair manual in English provides comprehensive, factory-level instructions for all repairs and maintenance procedures for the 1999 Buick Regal, covering all trims and engine options. It details engine and powertrain services, chassis and suspension work, and electrical and body system diagnostics and repairs. The manual includes scheduled maintenance, troubleshooting guides, diagnostic flowcharts, wiring schematics, and specific technical data, enabling owners and technicians to effectively maintain, diagnose, and repair the vehicle with confidence. Its format allows for easy navigation, printing of specific sections, and compatibility with various operating systems. 🏷️ 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:...