🏷️ Basic Information Identification Make: Buick Model: Century Year: 2005 Generation Generation Code: C-Body (Second Generation, Post-1997 Redesign) 👋 Introduction Market Position Target Audience: Buick Century owners, DIY mechanics, independent repair shops. Competitive Analysis Value Proposition: Provides licensed OE-level repair information at a fraction of the cost of printed manuals or dealership service, with convenient digital access. Key Features Feature Licensing: Officially licensed, derived from OE materials. Feature Convenience: Instant online access, compatible with multiple devices. Feature Accuracy: Accurate, up-to-date service and repair data. 📋 Manual Details Coverage Areas Manual Type: Service and Repair Manual Language: English Format: PDF Download (Software) Digital Access Duration: 1 Year (with renewal options) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine overhaul, disassembly, assembly, diagnostics, timing, lubrication systems, cooling systems, emissions controls. Engine Electrical: Ignition system, fuel injection system, starter system, charging system, diagnostic trouble codes (DTCs), sensor and actuator testing, wiring diagrams. Transmission Automatic: Operation, diagnosis, repair, fluid specifications, shift control, torque converter. Brakes: Hydraulic system, ABS components, rotor/pad replacement, caliper service, brake fluid specifications, bleeding procedures. Suspension: Front and rear suspension components, alignment specifications, shock absorber/strut replacement, ball joint service, control arm replacement. Steering: Power steering system, steering gear/rack and pinion service, tie rod ends, steering column components, alignment. Electrical Body: Lighting systems, power windows, power locks, mirrors, seats, wipers, horns, body control module (BCM) related circuits, interior/exterior lighting diagnostics. HVAC: Air conditioning system diagnosis, refrigerant handling, compressor, evaporator, condenser service, heater core replacement, blower motor, climate control modules. Body Interior: Panel removal and installation, trim components, seat removal, dashboard components, door panel service. Diagnostics Troubleshooting: System-specific diagnostic procedures, symptom-based troubleshooting, DTC interpretation and resolution. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt replacement, battery maintenance. Repair: Detailed step-by-step repair procedures for all major vehicle systems, including component removal, installation, and adjustment. Troubleshooting: Diagnostic flowcharts and guided troubleshooting sequences for common and complex issues. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle circuits. Technical Depth Depth Level: Factory-derived, comprehensive repair and diagnostic information suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Compatibility: PC, Laptop, Smartphone, Tablet (via web browser) Print Quality Resolution: High-resolution, clear text and diagrams Printable: Printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: LD9 Engine Type: 2.2L DOHC 16-Valve Inline-4 (Ecotec) Displacement: 2198 cc (134 cu in) Bore X Stroke: 86 mm x 94.6 mm Compression Ratio: 10.0:1 Horsepower: 140 hp @ 5800 rpm Torque: 150 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MPFI) Fuel Type: Unleaded Regular 87 Octane (minimum) Engine Management ECM Type: GM Powertrain ECM (specific model varies) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Overdrive Transmission Model: 4T65-E Features Transmission Features: Electronic shift control, overdrive, torque converter clutch. 📐 Dimensions Exterior Length: 193.4 in (4913 mm) Width: 70.9 in (1801 mm) Height: 56.7 in (1440 mm) Wheelbase: 109.0 in (2769 mm) Front Track: 59.8 in (1519 mm) Rear Track: 59.8 in (1519 mm) Weights Curb Weight: Approximately 3,300 - 3,400 lbs (1497 - 1542 kg), varies by trim and options. 🛡️ Safety Features Ratings NHTSA Frontal Driver Rating: Good (for models equipped with side airbags) NHTSA Frontal Passenger Rating: Good (for models equipped with side airbags) IIHS Frontal Offset Rating: Acceptable (for models with side airbags) Active Features Active Safety: Anti-lock Braking System (ABS), Traction Control System (TCS) (optional on some trims). Passive Features Passive Safety: Dual front airbags, optional front side-impact airbags, front and rear crumple zones, LATCH child seat anchors, seatbelt pretensioners. 💡 Technology Features Infotainment Infotainment Features: Optional CD player, AM/FM stereo, cassette player (on some models), auxiliary input (rare), basic climate controls. Driver Assistance Driver Assistance Features: Cruise control, optional ABS, optional traction control. Connectivity Connectivity Options: Limited connectivity by modern standards, typically only basic audio inputs. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first, with synthetic oil. Consult manual for conventional oil intervals. Tire Rotation Interval: Every 7,500 miles. Transmission Fluid Change: Typically around 50,000-100,000 miles, or as indicated by maintenance schedule or fluid condition. Refer to manual for specific guidance on the 4T65-E. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic Motor Oil. Refer to manual for specific API service classification. Engine Oil Capacity: 4.5 quarts (4.3 liters) with filter change. Coolant Type: Dex-Cool (GM 6043-M) Extended Life Antifreeze/Coolant (Orange). Transmission Fluid Type: Dexron VI Automatic Transmission Fluid (ATF). Brake Fluid Type: DOT 3 Brake Fluid. Power Steering Fluid: GM Power Steering Fluid or Dexron III ATF. Known Issues Common Problems: Issues can include intake manifold gasket leaks, power steering leaks, occasional transmission solenoids issues...