🏷️ Basic Information Identification Make: Buick Model: Terraza Year: 2005-2009 Codes Platform: GM U platform (also used by Chevrolet Uplander, Pontiac Montana SV6, Saturn Relay) 👋 Introduction Market Position Market Segment: Mid-size minivan/crossover utility vehicle. Competitive Analysis Competitors: Chevrolet Uplander, Pontiac Montana SV6, Saturn Relay (platform mates), Chrysler Pacifica, Dodge Grand Caravan, Ford Freestar, Honda Odyssey, Toyota Sienna. Key Features Body Style: Minivan with a crossover-like stance and styling cues. Target Audience: Families seeking versatile transportation with comfort and practicality. Manual Advantage: Comprehensive, factory-level repair information for DIY mechanics and professional technicians, enabling accurate and efficient maintenance and repairs. 📋 Manual Details Coverage Areas Coverage: All repairs, servicing, and troubleshooting procedures Page Count Page Count: Hundreds of pages Manual Type Manual Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, diagnosis, repair of cylinder head, block, pistons, crankshaft, camshafts, timing systems, lubrication system, cooling system. Engine Performance: Fuel system (injection, fuel pump, injectors), ignition system (coils, spark plugs, sensors), emissions control system, exhaust system, engine control module (ECM) diagnosis. Transmission: Automatic transmission diagnosis, repair, fluid changes, torque converter, valve body, electronic controls. Drivetrain: Front-wheel drive systems, axles, CV joints, differential components. Suspension: Front and rear suspension components, struts, shocks, control arms, ball joints, sway bars, bushings, alignment specifications. Brakes: Brake system diagnosis, front and rear brake components (discs, pads, calipers), hydraulic system, ABS system, parking brake. Steering: Power steering system diagnosis, pump, rack and pinion, steering linkage, column. Electrical System: Battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams. Climate Control: HVAC system diagnosis, blower motor, A/C compressor, refrigerant system, heater core, climate control module. Body And Chassis: Body panels, doors, windows, locks, interior trim, bumpers, structural components, rust repair, paint repair. Body Electrical: Power windows, power locks, remote keyless entry, power sliding doors, power liftgate (if equipped), interior lighting, instrument panel. Procedures Included Maintenance: Scheduled maintenance intervals, oil change procedures, filter replacements, spark plug replacement, fluid checks and replacements. Troubleshooting: Diagnostic charts, symptom-based troubleshooting guides, diagnostic trouble codes (DTCs) and their interpretations. Repair: Step-by-step repair instructions for all major systems, including detailed component removal and installation procedures. Diagnostics: Procedures for using diagnostic scan tools, interpreting sensor data, and performing specific diagnostic tests. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems, aiding in electrical troubleshooting and repair. Technical Depth Depth: Covers everything from basic preventative maintenance and fluid checks to complete engine and transmission overhauls. Includes detailed component-level diagnostics and repair procedures. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Searchability: Searchable text for quick access to specific topics and procedures. Licensing Licensing: Lifetime usage on multiple devices, no expiry dates or renewal fees. ⚙️ Engine Specifications Primary Engine Engine Type: 3.5L V6 (GM LX9) Displacement: 3.5 liters (3500 cc) Horsepower: 201 hp @ 5200 rpm Torque: 220 lb-ft @ 4400 rpm Optional Engine Engine Type: 3.9L V6 (GM LZ4/LZ9) Displacement: 3.9 liters (3800 cc) Horsepower: 240 hp @ 5800 rpm (LZ4), 240 hp @ 6000 rpm (LZ9) Torque: 242 lb-ft @ 3000 rpm (LZ4), 245 lb-ft @ 3000 rpm (LZ9) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPFI) Fuel Type: Regular Unleaded Gasoline Engine Management ECU: GM Engine Control Module (ECM) 🔧 Transmission Standard Transmission Type: 4-speed automatic (4T65-E) Optional Transmission Type: 4-speed automatic with manual mode (4T65-E HD for 3.9L engines) Features Drivetrain: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Length: Approximately 203.7 inches Width: Approximately 72.5 inches Height: Approximately 68.1 inches Wheelbase Wheelbase: Approximately 124.0 inches Weights Curb Weight: Approximately 4,400 - 4,600 lbs 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (driver and passenger) NHTSA Side Impact: 4-star (front), 4-star (rear) IIHS Side Impact: Acceptable Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Traction Control System (TCS) Passive Features Airbags: Front airbags, available side-impact airbags, available third-row side curtain airbags. 💡 Technology Features Infotainment Audio System: Available AM/FM stereo with CD player, optional Bose premium audio system, rear-seat entertainment system (DVD player). Driver Assistance Parking Assist: Available rear parking assist sensors. Connectivity Remote Keyless Entry: Standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first (using synthetic blend or full synthetic oil). Air Filter Replacement: Every 30,000 miles or as needed based on driving conditions. Spark Plug Replacement: Approximately 100,000 miles (iridium-tipped spark plugs). Transmission Fluid Change: Every 100,000 miles under normal driving conditions; more frequently under severe driving conditions. Fluid Specifications Engine Oil: SAE 5W-30 (synthetic blend or full synthetic recommended) Coolant: GM Dex-Cool® (50/50 mix of Dex-Cool® antifreeze and...