🏷️ Basic Information Identification Make: Toyota Model: Sienna Year: 2004 Codes Chassis Code: XV20 Generation Generation: Second Generation (XV20) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and Toyota Sienna owners seeking to perform their own maintenance and repairs. Competitive Analysis Advantage: Provides licensed, factory-derived information for greater accuracy and completeness compared to generic or unofficial guides. Offers convenience of digital access. Key Features Features: Licensed OE data, instant online access, compatibility with multiple devices, comprehensive coverage of all major vehicle systems. 📋 Manual Details Coverage Areas Manual Type: Service & Repair Manual Software Format: PDF Download (Accessible via Web Browser) Language: English Access Duration: 1 Year (Renewable) Licensing: Officially Licensed, OE Derived Information 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication system, cooling system. Engine Management: Fuel injection system, ignition system, emission control system, diagnostics, ECM/PCM troubleshooting. Transmission Automatic: Automatic transmission overhaul, valve body, torque converter, hydraulic control, shift solenoids, diagnostics. Drivetrain: Front-wheel drive, front axle, differential, CV joints, driveshafts. Suspension: Front and rear suspension, struts, shock absorbers, control arms, ball joints, bushings, wheel bearings. Steering: Power steering system, steering rack, steering column, tie rods, power steering pump. Brakes: Front and rear brakes, brake calipers, brake pads, brake rotors, brake lines, master cylinder, ABS system, parking brake. Electrical System: Battery, charging system (alternator), starting system (starter), fuses, relays, wiring diagrams, lighting. HVAC: Heating, ventilation, and air conditioning system components, compressor, condenser, evaporator, blower motor, refrigerant. Body Interior: Interior trim, seats, door panels, dashboard, console, body panels, glass, door mechanisms. Body Exterior: Exterior body panels, bumpers, doors, hood, tailgate, mirrors, seals. Chassis Electrical: Power windows, power locks, power mirrors, sunroof, instrument cluster, warning lights, cruise control. Procedures Included Maintenance: Routine inspections, fluid changes (oil, coolant, brake fluid, transmission fluid, power steering fluid), filter replacements, spark plug replacement, belt replacement. Diagnostics: On-board diagnostics (OBD-II), troubleshooting common symptoms, diagnostic trouble codes (DTCs), electrical system testing. Repair: Component replacement, sub-assembly repairs, engine rebuilds, transmission repairs, brake system repairs, suspension component replacement, steering system repairs. Troubleshooting: Step-by-step diagnostic procedures for various system malfunctions, symptom-based troubleshooting guides. Wiring Diagrams: Detailed electrical wiring diagrams for all vehicle systems. Specifications: Torque specifications for bolts and fasteners, fluid capacities, part numbers, clearances. Technical Depth Depth: Comprehensive, covering from basic maintenance to full engine and transmission overhauls. Advanced diagnostic procedures and detailed component-level repair instructions. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval. Print Quality Resolution: High resolution, suitable for printing specific pages. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: 1MZ-FE Engine Type: 3.3L DOHC V6 Displacement: 3300 cc (3.3 Liters) Performance Horsepower: Approximately 230 hp @ 5600 rpm Torque: Approximately 242 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Sequential Port Injection Fuel Type: Unleaded gasoline, 87 octane (minimum) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Electronically Controlled Transmission with Overdrive Optional Optional Transmission: N/A for 2004 model year Sienna Features Transmission Fluid Type: Toyota ATF WS (World Standard) or equivalent Transmission Fluid Capacity: Approximately 7.6 US quarts (7.2 Liters) for complete fill, 3.7 US quarts (3.5 Liters) for drain and refill. 📐 Dimensions Exterior Length: 200.0 inches Width: 77.4 inches Height: 69.1 inches Wheelbase: 116.5 inches Weights Curb Weight: Approximately 4,200 - 4,400 lbs (depending on configuration) 🛡️ Safety Features Ratings NHTSA Front Driver Impact: 5 Stars NHTSA Front Passenger Impact: 5 Stars NHTSA Side Driver Impact: 4 Stars NHTSA Side Rear Passenger Impact: 4 Stars IIHS Front Offset Crash Rating: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TRAC) Stability Control: Optional Vehicle Stability Control (VSC) Passive Features Airbags: Standard front dual-stage airbags, optional front side airbags and side curtain airbags. 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD player with 6 speakers. Optional premium JBL audio system, rear-seat entertainment system (RSE). Driver Assistance Cruise Control: Standard Cruise Control Connectivity Connectivity Options: Limited by the era, primarily focused on audio input (e.g., CD changer). 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months, whichever comes first (under normal driving conditions). Engine Coolant Change: Initial change at 100,000 miles, then every 50,000 miles thereafter. Transmission Fluid Change: Recommended every 60,000 miles (check owner's manual for specific conditions). Spark Plug Replacement: Iridium spark plugs typically recommended for 100,000-120,000 miles. Fluid Specifications Engine Oil Type: SAE 5W-30, API Certified (API SN or higher recommended) Engine Oil Capacity: Approximately 6.4 US quarts (6.1 Liters) with filter. Coolant Type: Toyota Super Long Life Coolant (SLLC) or equivalent (pink color) Brake Fluid Type: SAE J1703 or FMVSS No. 116 DOT 3 Known Issues Common Complaints: While generally reliable, common issues reported can include occasional...