The 1999 Buick LeSabre is a full-size sedan built on the GM H-body platform, designed to offer comfortable and spacious transportation. Known for its refined ride quality and reliable 3.8L V6 engine, available in both naturally aspirated and supercharged variants, the LeSabre was a popular choice for families and those seeking a smooth driving experience. Its engineering emphasizes durability and passenger comfort, reflecting Buick's heritage of producing well-appointed American automobiles. The vehicle’s design prioritizes interior space and a quiet cabin, making it suitable for long journeys and everyday commuting. This comprehensive service and repair manual provides detailed information for the 1999 Buick LeSabre, covering all aspects of maintenance, diagnosis, and repair. It includes step-by-step procedures for engine mechanicals, the powertrain, suspension, brakes, steering, and the electrical system. Additionally, the manual details climate control, safety restraint systems, bodywork, and communication systems. With factory-sourced accuracy, this guide is an essential resource for owners, DIY enthusiasts, and professional technicians aiming to maintain their LeSabre’s optimal performance and longevity. Wiring schematics and technical specifications are also included for thorough diagnostics and repairs. 🏷️ Basic Information Identification Make: Buick Model: LeSabre Year: 1999 Generation Platform: GM H-body Codes Vin Code Engine: 2 (3.8L VIN Code 2 - Naturally Aspirated) 👋 Introduction Market Position Target Audience: Buick LeSabre owners, DIY enthusiasts, independent repair shops Competitive Analysis Advantage: Vehicle-specific information, not generic. Direct equivalent to dealership technician manuals. Key Features Convenience: Single PDF file, easy navigation, printable sections, zoomable images, no physical wear and tear. Accuracy: Factory-sourced, step-by-step instructions with diagrams and schematics. 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Service and Repair Page Count Estimated Page Count: Extensive (Exact count not provided, but described as 'complete' and 'everything you will ever need', implying hundreds of pages) Manual Type Type: Factory Authorized Repair Manual / Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Maintenance: Yes (Oil change, filter replacement, tune-up, cooling system, fuel system, emission control) Engine Repair: Yes (Engine mechanical, cylinder head, pistons, crankshaft, camshaft, timing system, lubrication, cooling) Control System: Yes (Engine control system diagnostics, fuel injection, ignition system) Transmission Automatic: Yes (Service, diagnosis, repair, fluid specifications) Transmission Manual: Yes (Likely covers if equipped, though automatic was dominant for LeSabre) Suspension: Yes (Front and rear suspension, struts, control arms, bushings) Brakes: Yes (Front and rear brakes, hydraulic system, ABS, parking brake) Steering: Yes (Steering column, power steering system, steering gear) Electrical System: Yes (Battery, charging system, starting system, lighting, accessories) Climate Control: Yes (Air conditioning system service, diagnosis, repair) Safety Restraint System: Yes (Airbag system, seat belts) Body Exterior: Yes (Doors, hood, glass, mirrors, trim) Body Interior: Yes (Seats, instrument panel, trim) Communication Systems: Yes (Multiplex/CAN communication, audio/visual systems) Procedures Included Diagnostic Procedures: Yes (Troubleshooting guides, diagnostic trouble codes - DTCs) Repair Procedures: Yes (Step-by-step instructions for all listed systems) Maintenance Procedures: Yes (Scheduled maintenance, fluid checks, filter replacements) Wiring Schematics: Yes (Included in detail for electrical systems) Specifications Data: Yes (Torque values, clearances, fluid types, capacities) Technical Depth Depth: Complete Factory Level (Covers basic maintenance to advanced diagnostics and full component rebuilds) 📊 Manual Specifications File Format Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac Compatible Print Quality Printability: Yes (All pages are printable, allows for blowing up images) Binding Type Binding: Digital (PDF - no physical binding) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Displacement: 3.8L (3800 Series II) Engine Configuration: V6 (90-degree) Performance Horsepower: Approx. 205 hp (Naturally Aspirated) Torque: Approx. 230 lb-ft (Naturally Aspirated) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Cooling System Coolant Type: Dex-Cool (Orange, 50/50 mix) - Check manual for specific GM part number. Lubrication Oil Type: SAE 5W-30 (Check manual for specific GM part number and API service classification). Oil Capacity: Approx. 4.5 quarts (with filter change) - Verify in manual. 🔧 Transmission Standard Transmission Type: 4-speed Automatic (4T65-E) Optional Transmission Type: N/A (LeSabre was predominantly automatic). Features Transmission Fluid: Dexron-III (Check manual for specific GM part number and compatibility with Dexron-VI if using a newer formulation). Transmission Fluid Capacity: Approx. 7.7 quarts (Dry fill) - Verify in manual. 📐 Dimensions Exterior Length: Approx. 200.0 inches Width: Approx. 72.7 inches Height: Approx. 56.5 inches Weights Curb Weight: Approx. 3500-3700 lbs (Varies by trim and options) Gross Vehicle Weight Rating: Approx. 4750 lbs (Verify in manual) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 4 Stars (for 1999 model year) NHTSA Front Impact Passenger: 4 Stars (for 1999 model year) NHTSA Side Impact Front Driver: 5 Stars (for 1999 model year) NHTSA Side Impact Front Passenger: 5 Stars (for 1999 model year) NHTSA Side Impact Rear Driver: 5 Stars (for 1999 model year) NHTSA Side Impact Rear Passenger: 5 Stars (for 1999 model...