🏷️ Basic Information Identification Make: Toyota Model: Sienna Generation: First Generation (XL10) Production Years Covered: 1998-2003 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics Value Proposition Cost Savings: Inexpensive way to keep vehicle working properly, DIY repairs save money Key Features Completeness: 100% complete and intact, no missing/corrupt pages/sections 📋 Manual Details Coverage Areas Manual Type: Complete Service Repair Manual Coverage Scope: All models and all engines Page Count Total Pages: 3000+ Language Language: English Format File Format: PDF Compatibility: Windows, Mac, Linux, iOS, Android Features Searchability: Searchable text Navigation: Bookmarked 📖 Manual Coverage Systems Covered Engine: Engine overhaul and rebuilding, engine performance, firing orders Drivetrain: Transmission removal and installation, transmission in-car servicing, U-joint and CV-joint service procedures Brakes: Brake servicing procedures, complete torque specifications for brakes Suspension: Suspension systems, front end and alignment procedures and specifications Electrical: Wiring diagrams, computer diagnostic trouble tree charts, computer diagnostic codes Body: Sunroof service Climate Control: Air conditioning service and capacities Procedures Included Maintenance: Factory maintenance schedules and charts, serpentine belt routings with diagrams, timing belt replacement, timing belt service procedures Repair: Repair procedures, complete disassembly for rebuilds, refurbishment, restoration Diagnostics: Trouble codes, troubleshooting and diagnostics, computer diagnostic trouble tree charts Technical Depth Depth Of Information: Comprehensive, covering every single detail for repair, maintenance, rebuilding, refurbishing, and restoration Visual Aids Illustrations: Detailed illustrations, diagrams, hundreds of photos Technical Data Specifications: Detailed specifications on every model covered, complete torque specifications, vacuum diagrams 📊 Manual Specifications File Format PDF Quality: High quality, searchable, bookmarked Digital Delivery: Instant download Printability: Printable Storability: Savable to hard-drive, burnable to CD-ROM ⚙️ Engine Specifications Primary Engine Engine Type: 3.0L V6 (5S-FE) Performance Horsepower Approx: 170-180 hp (varies by model year) Torque Approx: 195-200 lb-ft (varies by model year) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Timing Timing Belt Type: Timing Belt 🔧 Transmission Standard Transmission Type: 4-speed Automatic Transaxle Optional Optional Transmission: None offered during this generation Features Drive Type: Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) available 📐 Dimensions Exterior Body Style: Minivan Weights Curb Weight Approx: 3,700 - 4,000 lbs (varies by drivetrain and options) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (driver and passenger) IIHS Side Impact: Good (for models with side airbags) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional/Standard on AWD models (Traction Control) Passive Features Airbags: Driver and front passenger airbags, optional front-side airbags 💡 Technology Features Infotainment Audio System: AM/FM stereo with CD player, optional cassette player, and premium JBL sound system available on higher trims. Rear Entertainment: Optional rear-seat entertainment system with a flip-down screen and wireless headphones was available. Driver Assistance Cruise Control: Standard cruise control system. Connectivity Power Accessories: Power windows, power door locks, and power sliding doors (on some trims) were available. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 miles or 6 months (under normal conditions), 3,000 miles/3 months (under severe conditions) Timing Belt Replacement Interval: Typically around 90,000 miles (refer to manual for exact interval based on conditions) Fluid Specifications Engine Oil Type: API Service SG, SH, SJ or ILSAC GF-2, SAE 5W-30 (check manual for specific viscosity grade and API rating based on climate) Transmission Fluid Type: Toyota Genuine ATF WS (or equivalent DEXRON III/MERCON) Coolant Type: Toyota Super Long Life Coolant (SLLC) - Pink (50/50 mix with distilled water) Fluid Capacities Engine Oil Capacity: Approximately 4.5 quarts (with filter) Known Issues Engine Mounts: Premature wear and failure of engine mounts is a common complaint. Exhaust System: Corrosion and rust on exhaust components, particularly the muffler and catalytic converter, can occur. Power Steering: Occasional leaks or whine from the power steering pump or lines. Rear Suspension: Rear suspension components, especially the trailing arms and bushings, can wear out. Automatic Transmission: While generally reliable, some issues with shifting can arise with age and mileage, often related to fluid condition or solenoids. 📚 Vehicle History Brand Heritage Toyota Reputation: Known for reliability, durability, and quality manufacturing Model Evolution First Generation Launch: Introduced for the 1998 model year as Toyota's first minivan offering in North America Generation Updates: Minor updates and feature refinements throughout the 1998-2003 production run Production Manufacturing Location: Georgetown, Kentucky, USA 🏆 Awards & Recognition Recognitions Car And Driver: Car and Driver magazine's '10 Best Trucks' list for 1998 and 1999. Ratings Kbb Consumer Ratings: Consistently received high consumer satisfaction ratings for reliability and practicality.