🏷️ Basic Information Identification Make: Buick Model: LeSabre Year: 2002 Platform: H-body Codes Chassis Code: C-Body (later H-body designation) 👋 Introduction Market Position Segment: Full-size Sedan Target Audience: Buick LeSabre owners seeking to perform maintenance, diagnosis, and repairs themselves; independent repair shops. Competitive Analysis Competitors 2002: Ford Crown Victoria, Mercury Grand Marquis, Chrysler Concorde, Dodge Intrepid, Oldsmobile Aurora. Key Features Manual Advantage: Provides vehicle-specific, dealership-level information; comprehensive coverage; digital format offers convenience and portability. 📋 Manual Details Coverage Areas All Models And Trims: Yes, covers all models and trim levels of the 2002 Buick LeSabre. Page Count Estimated Pages: Likely 1500-2000+ pages based on typical factory service manuals for this era and comprehensiveness. Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Cooling System, Exhaust System, Ignition System, Starting and Charging System, Automatic Transmission. Chassis: Suspension, Steering (including Power Steering), Brakes (including Parking Brake), Wheels, Tires. Electrical: Wiring Schematics, Lighting, Instruments and Gauges, Horn, Wiper and Washer System, Power Locks, Cruise Control, Engine Immobilizer, Air Conditioning System, Supplemental Restraint System (SRS), Audio/Visual Systems, Multiplex/CAN Communication. Body: Exterior and Interior Trim, Doors, Hood, Glass, Mirrors, Seats, Instrument Panel. Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, lubrication. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), testing procedures for all systems. Repair: Component removal, installation, adjustment, and overhaul for all major systems. Specifications: Torque specifications, clearances, fluid capacities, electrical specifications, emissions data. Technical Depth Depth: Comprehensive, covering everything from basic fluid changes to complete engine and transmission rebuilds, including detailed wiring schematics and diagnostic routines. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Fully printable, allowing users to print specific pages or sections as needed. Images can be enlarged. Binding Type Binding Type: Not Applicable (Digital PDF) Paper Type Paper Type: Not Applicable (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 3800 Series II V6 (Naturally Aspirated) Engine Displacement: 3.8 Liters (3791 cc) Engine Configuration: Overhead Valve (OHV), 90-degree V6 Bore X Stroke: 3.80 in x 3.39 in (96.5 mm x 86.0 mm) Compression Ratio: 9.4:1 Performance Horsepower: 205 hp @ 5200 rpm Torque: 230 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MFI) Fuel Type: Unleaded Regular Gasoline (87 Octane Minimum) Ignition Ignition System: Distributorless Ignition System (DIS) with Coil-Near-Plug 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transaxle Transmission Model: 4T65-E Features Transmission Control: Electronic control with modes such as 'Normal' and 'Sport'. Fluid Specifications Transmission Fluid Type: Dexron III (or equivalent specified fluid) Fluid Capacity Transmission Fluid Capacity: Approximately 10.7 US quarts (10.1 Liters) for a complete refill (check manual for precise capacity). 📐 Dimensions Exterior Length: 201.0 inches (5105 mm) Width: 73.7 inches (1872 mm) Height: 55.7 inches (1415 mm) Wheelbase: 112.2 inches (2850 mm) Weights Curb Weight: Approximately 3500-3700 lbs (1588-1678 kg), varies by trim. Gross Vehicle Weight Rating: Approximately 4700-4800 lbs (2132-2177 kg). 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: 5-Star Driver, 5-Star Passenger (for 2002 model year). NHTSA Side Impact Crash Test: 4-Star Driver, 5-Star Rear Passenger (for 2002 model year). Active Features ABS: Standard Anti-lock Braking System (ABS) on all wheels. Traction Control: Available Traction Control System (TCS). Passive Features Airbags: Standard Dual Frontal Airbags. Optional Side-Impact Airbags. Seat Belts: Front 3-point seat belts with pretensioners, rear 3-point seat belts. 💡 Technology Features Infotainment Audio System: Typically AM/FM stereo with cassette and CD player, often with premium sound system options (e.g., Bose). Driver Assistance Cruise Control: Standard electronic cruise control. Connectivity Multiplex Communication: Features Multiplex/CAN communication for integrated control of various vehicle systems, detailed in the manual's electrical section. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 to 7,500 miles (8,000 to 12,000 km) or 6 months, using synthetic or synthetic blend oil. Check manual for specific recommendations. Engine Coolant Flush: Recommended every 30,000 to 50,000 miles (48,000 to 80,000 km) or 2-3 years, depending on coolant type. Transmission Fluid Service: Recommended every 30,000 to 100,000 miles (48,000 to 160,000 km), depending on usage. Fluid and filter change is often recommended. Fluid Specifications Engine Oil Type: SAE 3.8L V6: SAE 5W-30 (API certified with the starburst symbol). Engine Oil Capacity: 4.5 US quarts (4.3 Liters) with filter change (check manual for exact capacity). Coolant Type: GM P/N 12378394 (Dex-Cool, Orange) or equivalent orange long-life coolant. Older recommendations might have used traditional green coolant; consult manual. Known Issues Common Problems: Lower intake manifold gasket leaks (common on 3800 Series I/II), spark plug issues (particularly the rear bank due to access), power steering pump leaks, window regulator failures, wheel bearing noise, coolant leaks from various points. 📚 Vehicle History Brand Heritage Buick Legacy: Buick has a long history of producing comfortable, quiet, and well-equipped sedans targeted at a mature...