The Sienna, specifically the 2007 model representing the second generation (XL20), is a full-size minivan renowned for its exceptional reliability, practicality, and spacious interior, making it a top choice for families and fleet operators. Built with signature quality engineering, this minivan offers robust performance, a comfortable ride, and a host of safety features, including standard traction control, stability control, and comprehensive airbag systems, contributing to its consistent top safety ratings. Its 3.3L V6 engine, paired with a 5-speed automatic transaxle, delivers ample power for daily driving and longer journeys, with an available All-Wheel Drive option enhancing its versatility. This comprehensive service and repair manual provides complete information for the 2007 Sienna, covering all major systems and components in detail. It includes step-by-step procedures for maintenance, diagnostics, troubleshooting, and repair, from routine tasks like oil changes and filter replacements to more complex procedures involving engine assembly, transmission service, brakes, suspension, and electrical systems. With factory-level detail and extensive electrical wiring diagrams, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair their Sienna effectively and efficiently. 🏷️ Basic Information Identification Make: Toyota Model: Sienna Year: 2007 Codes Chassis Code: XL20 (Second Generation) Generation Generation Designation: Second Generation (2004-2010) 👋 Introduction Market Position Vehicle Segment: Full-size minivan Target Audience: Families, fleet operators, DIY enthusiasts Competitive Analysis Key Competitors: Honda Odyssey, Chrysler Town & Country, Dodge Grand Caravan, Kia Sedona, Nissan Quest Key Features Manual Advantage: Licensed OE (Original Equipment) material, comprehensive coverage, digital accessibility Vehicle Highlight: Renowned for reliability, practicality, and spacious interior 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair information Secondary Coverage: Maintenance, diagnostics, troubleshooting, specifications, diagrams, wiring Page Count Estimated Page Count: Likely over 2000 pages (typical for comprehensive factory service manuals) Manual Type Type: Service and Repair Manual Software Language Language: English Format Format: PDF Download (via web browser access) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, valve train, lubrication system, cooling system Engine Performance: Fuel injection system, ignition system, emissions control, turbocharging (if applicable) Transmission Drivetrain: Automatic transmission (A750E/F), transaxle, differential, driveshafts, axles, wheel bearings Brakes: Front and rear brake systems, parking brake, ABS, EBD, VSC Steering: Power steering system, steering column, steering gear Suspension: Front and rear suspension components, struts, shocks, control arms, stabilizer bars Electrical Systems: Battery, charging system, starting system, lighting, instruments, gauges, horn, wipers, power accessories HVAC: Heating, ventilation, and air conditioning systems, refrigerant handling Body Chassis: Body panels, doors, glass, interior trim, frame, underbody coatings Restraint Systems: Airbag system, seat belts Wiring Diagrams: Comprehensive electrical wiring diagrams for all systems Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and changes, tune-ups, inspections Diagnostics: Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation Repair: Step-by-step repair procedures for all major components and systems Disassembly Assembly: Detailed instructions for removing, disassembling, inspecting, repairing, and reassembling parts Replacements: Component replacement procedures (e.g., brakes, suspension, belts, hoses) Adjustments: Service adjustments for various systems (e.g., parking brake, clutch adjustment if applicable) Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIYers Diagnostics Level: Advanced diagnostic procedures, including scan tool data interpretation and wiring harness testing Repair Complexity: Covers everything from routine maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format Type: PDF (Portable Document Format) Quality: High resolution, likely with searchable text and vector diagrams Print Quality Printability: Printable pages, allowing users to create hard copies of specific sections Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 1MZ-FE (most common for North American models, though 2GR-FE became available later in the generation) Engine Configuration: 3.3L V6 Valve Train: DOHC 24-valve (Dual Overhead Camshaft) Performance Horsepower: Approximately 230 hp @ 5600 rpm Torque: Approximately 242 lb-ft @ 3600 rpm Fuel System Injection Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (87 octane recommended) 🔧 Transmission Standard Type: 5-speed automatic transaxle Optional Drive Type: All-Wheel Drive (AWD) available on certain trims Features Transmission Control: Electronically controlled, with AI shift control 📐 Dimensions Exterior Length: Approximately 200.6 inches Width: Approximately 77.4 inches Height: Approximately 68.9 inches Weights Curb Weight: Varies by trim and drivetrain, generally around 4300-4600 lbs 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars (Driver and Passenger) NHTSA Side Impact: 5 Stars (All Seats) IIHS Rollover Rating: 4 Stars (for stability) Active Features Traction Control: Standard (TRAC) Stability Control: Standard (Vehicle Stability Control - VSC) Braking Assist: Standard (Brake Assist - BA) Electronic Brakeforce Distribution: Standard (EBD) Passive Features Airbags: Front, side curtain, and front seat-mounted airbags Seat Belts: 3-point seat belts with pretensioners and force limiters 💡 Technology Features Infotainment Audio System: AM/FM stereo with CD player, optional premium audio systems, and rear-seat entertainment options. Navigation: Optional GPS navigation system...