The 2002 Buick Century, part of the third generation built on the GM W-body platform, represents a comfortable and practical mid-size sedan known for its value-oriented approach. Offering a choice between a 3.1L or an optional 3.8L V6 engine, this model was designed to provide a smooth and reliable driving experience for a wide demographic. Its positioning in the market placed it among key competitors like the Chevrolet Impala, Ford Taurus, Toyota Camry, and Honda Accord, aiming to deliver a balanced combination of comfort, utility, and dependable performance, reflecting Buick's long-standing legacy in the automotive industry. This comprehensive service and repair manual provides in-depth information specifically for all 2002 Buick Century models. It covers a vast array of systems, including engine mechanicals, powertrain, chassis, suspension, brakes, steering, and electrical systems, along with body repair and climate control. The manual details scheduled maintenance procedures, fluid specifications, diagnostic troubleshooting steps, and repair instructions with clarity. With its extensive coverage, including technical data, wiring schematics, and common issue resolutions, this guide serves as an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair the vehicle effectively. 🏷️ Basic Information Identification Make: Buick Model: Century Year: 2002 Model Generation: Third Generation (1997-2005) Codes Platform: GM W-body 👋 Introduction Market Position Positioning: The Buick Century was positioned as a comfortable, practical, and value-oriented mid-size sedan, popular with a wide demographic. Competitive Analysis Competitors: Competed against vehicles such as the Chevrolet Impala, Ford Taurus, Toyota Camry, and Honda Accord in the mid-size sedan segment. Key Features Manual Benefits: Vehicle-specific, dealer-level information, step-by-step instructions, diagrams, illustrations, wiring schematics, printable pages, digital format convenience. 📋 Manual Details Coverage Areas Primary Coverage: All 2002 Buick Century models Secondary Coverage: Specific to 2002 model year, not generic Page Count Estimated Page Count: Variable (PDF format allows for dynamic page count based on print settings, but typically equivalent to a comprehensive printed manual of 1000+ pages) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine And Powertrain: Engine mechanical, control systems, fuel service, emission control, intake/exhaust/cooling, lubrication, ignition, starting, charging, automatic transmission, manual transmission, transfer case, propeller shaft, drive shaft, differential, axle. Chassis And Suspension: Suspension, tires & wheels, 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/mirrors, instrument panel, seats, engine hood/doors, exterior & interior, electrical systems, multiplex/CAN communication. Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, inspections. Diagnostics And Repair: Step-by-step troubleshooting, diagnostic procedures, repair instructions for all major systems, component removal and installation, component testing, wiring schematics interpretation. Technical Data: Specifications, torque values, clearances, fluid capacities, electrical diagrams, wiring schematics, diagnostic trouble codes (DTCs). Technical Depth Depth: Comprehensive (A-Z) - Covers routine maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and body repair. 📊 Manual Specifications File Format Format Details: Adobe PDF, compatible with all Windows versions (Vista, XP, ME, 98, NT, 2000) and Mac OS. Print Quality Printability: Fully printable, allowing users to print specific pages or entire sections. High-resolution images and schematics are suitable for enlargement and printing. Binding Type Binding Type: Digital (PDF download - no physical binding) Paper Type Paper Type Equivalent: N/A (Digital format - eliminates need for paper, prevents grease/tears) ⚙️ Engine Specifications Primary Engine Engine Type Standard: 3.1L (189 cu in) V6 OHV (VIN 7) Engine Type Optional: 3.8L (231 cu in) V6 OHV (VIN 3) - Supercharged L36 (optional on some trims/late production) Performance Horsepower 3.1L: 175 hp @ 5200 rpm (approx.) Torque 3.1L: 195 lb-ft @ 4000 rpm (approx.) Fuel System Fuel Delivery System: Multi-port Fuel Injection (MPFI) Maintenance Items Spark Plugs: ACDelco Professional Iridium (e.g., 41-985) - Check manual for exact spec Engine Oil Type: SAE 5W-30 (API Certified) - Check manual for exact specification and capacity 🔧 Transmission Standard Transmission Type: 4-speed Automatic (4T65-E) Optional Transmission Type Optional: None offered for 2002 Features Transmission Fluid Type: Dexron III H (or equivalent) - Check manual for specific capacity and change interval 📐 Dimensions Exterior Wheelbase: 109.0 inches (2769 mm) Overall Length: 193.8 inches (4923 mm) Overall Width: 70.9 inches (1801 mm) Overall Height: 56.7 inches (1440 mm) Weights Curb Weight Approx: 3200 - 3400 lbs (1450 - 1540 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Good (with driver/passenger airbags) NHTSA Side Impact: Acceptable (may vary by trim and specific equipment) Active Features ABS: Standard on most models Traction Control: Optional on some trims Passive Features Airbags: Driver and front passenger airbags Seatbelts: Front seat pretensioners, rear three-point seat belts 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with CD player or cassette player, optional premium sound system. Driver Assistance Cruise Control: Standard on...