This manual covers the Toyota Sienna minivan, produced for the model years 2004 through 2008. This generation of the Sienna, spanning the XV30 and early XV40 chassis codes, is renowned...
This manual covers the Toyota Sienna minivan, produced for the model years 2004 through 2008. This generation of the Sienna, spanning the XV30 and early XV40 chassis codes, is renowned for its spacious interior, comfortable ride, and hallmark reliability. Featuring V6 engines ranging from 3.3L to 3.5L, these minivans were designed for family transportation and everyday utility, offering both front-wheel and all-wheel-drive options. With a reputation for durability and consistent performance, the Sienna has been a strong contender in its segment, often recognized for its family-friendly attributes and safety.
This comprehensive service repair manual provides detailed instructions and specifications for all Toyota Sienna models and engines from 2004 to 2008. With over 3000 pages of information, it covers every aspect of maintenance, repair, and rebuilding, from basic procedures like oil changes and timing belt replacement to complex engine overhauls and transmission servicing. The manual includes extensive troubleshooting guides, diagnostic trouble codes, wiring diagrams, and detailed illustrations to assist both do-it-yourself enthusiasts and professional mechanics in maintaining and repairing the vehicle efficiently and effectively, ensuring optimal performance and longevity.
🏷️ Basic Information
Identification
Make:
Toyota
Model:
Sienna
Model Years Covered:
2004, 2005, 2006, 2007, 2008
Generation Code:
XV20 (1998-2003) transition to XV30 (2004-2006) and XV40 (2007-2010) for later years within this range, implying coverage of early XV40 models.
Codes
Chassis Codes:
XV30 (2004-2006), XV40 (2007-2008)
👋 Introduction
Market Position
Target Audience:
Do-it-yourself enthusiasts and experienced mechanics.
Value Proposition:
Inexpensive way to keep your vehicle working properly, enabling DIY repairs and significant cost savings.
Key Features
Detail Level:
Detailed illustrations, diagrams, wiring schematics, and specifications; step-by-step instructions based on complete disassembly.
Illustration Count:
Hundreds of photos and illustrations.
📋 Manual Details
Coverage Areas
Comprehensive Coverage:
All models and all engines within the specified production years.
Page Count
Total Pages:
3000+
Manual Type
Manual Classification:
Complete Service Repair Manual
Language
Language:
English
Format
Digital Format:
PDF
Compatibility:
Windows, Mac, Linux, iOS (iPhone, iPad), Android
📖 Manual Coverage
Systems Covered
Powertrain:
Engine overhaul and rebuilding, timing belt replacement, engine performance, firing orders, serpentine belt routings, timing belt service procedures, transmission removal and installation, transmission in-car servicing.
Brakes And Suspension:
Brakes, front end and alignment procedures and specifications, suspension, U-joint and CV-joint service procedures, brake servicing procedures.
Electrical And Diagnostics:
Wiring diagrams, trouble codes, troubleshooting and diagnostics, computer diagnostic trouble tree charts, computer diagnostic codes.
Comfort And Body:
Sunroof, air conditioning service and capacities.
Procedures Included
Maintenance:
Factory maintenance schedules and charts, driving concerns.
Repair And Rebuild:
Every detail on repair, maintain, rebuild, refurbish, or restore; step-by-step instructions based on complete disassembly, detailed illustrations, diagrams.
Technical Depth
Diagnostic Scope:
Advanced diagnostics, including computer diagnostic trouble trees and specific trouble codes.
Repair Scope:
From basic maintenance to complete engine and transmission overhauls, including component-specific servicing.
📊 Manual Specifications
File Format
Digital Delivery:
Instant Download
File Features:
Bookmarked and searchable text for quick navigation.
Storage Options:
Save to hard drive, burn to CD-ROM.
Viewing Capabilities:
Zoomable, printable pages.
Print Quality
Page Completeness:
100% complete and intact, no missing/corrupt pages/sections.
Binding Type
Digital Binding:
N/A (Digital Format)
Paper Type
Digital Paper Type:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine
Engine Type:
V6, 3.3L (3300cc) or 3.5L (3500cc) DOHC VVT-i (Variable Valve Timing with intelligence), depending on specific model year and trim.
Engine Code Examples:
3MZ-FE (3.3L), 2GR-FE (3.5L - introduced in later years within the range)
Performance
Horsepower Range:
Approximately 182-215 hp (varies by engine and year)
Torque Range:
Approximately 215-230 lb-ft (varies by engine and year)
Fuel System
Fuel Delivery:
Electronic Fuel Injection (EFI) with Sequential Port Injection.
Maintenance
Timing Belt Material:
Timing Belt (typically rubber composite)
Serpentine Belt Routing:
Detailed diagrams provided in the manual.
🔧 Transmission
Standard
Transmission Type:
Automatic Transmission
Transmission Gears:
Typically 4-speed or 5-speed automatic (e.g., U151F for 4-speed, U250E for 5-speed)
Optional
Drivetrain Options:
Front-Wheel Drive (FWD) and All-Wheel Drive (AWD) available on select models.
Features
Transmission Service:
In-car servicing procedures covered.
📐 Dimensions
Exterior
Body Styles:
Minivan
Wheelbase Range:
Approximately 119.3 inches (XV30) to 120.5 inches (XV40).
Weights
Curb Weight Range:
Approximately 4,000 - 4,400 lbs (varies by configuration).
🛡️ Safety Features
Ratings
NHTSA Ratings General:
Generally received good ratings from NHTSA for this period, though specific year ratings should be verified.
Active Features
Braking Systems:
Anti-lock Braking System (ABS) standard, Electronic Brake-force Distribution (EBD), Brake Assist (BA).
Passive Features
Airbags:
Front airbags, side curtain airbags, available front-seat mounted side airbags.
💡 Technology Features
Infotainment
Entertainment Systems:
Available premium audio systems, CD players, rear-seat entertainment systems (DVD players).
Driver Assistance
Cruise Control:
Standard cruise control, some models may offer adaptive cruise control on later iterations within the range.
Connectivity
Navigation:
Optional factory navigation system.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 5,000 to 7,500 miles or 6 months, using synthetic or synthetic blend oil, as specified in the manual.
Timing Belt Replacement Interval:
Recommended replacement around 90,000 miles or 7 years for most engines, check specific engine for exact interval.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 Synthetic or Synthetic Blend recommended, specific API service classification required (e.g., API SN).
Transmission Fluid Type:
Toyota Genuine ATF WS (World Standard) or equivalent Dexron III/VI compatible fluid, verify specific transmission requirement.
Coolant Type:
Toyota Super Long Life Coolant (SLLC) - Pink color.
Known Issues
Common Problems:
Potential for sliding door actuator issues, catalytic converter failure (especially on older models), minor electrical gremlins, potential for oil leaks from valve covers or oil pan, brake wear.
Diagnostic Challenges:
The manual's diagnostic flowcharts are crucial for pinpointing issues with the complex electronic systems.
📚 Vehicle History
Brand Heritage
Toyota Legacy:
Toyota's reputation for reliability, quality, and value.
Model Evolution
Sienna Development:
The 2004 model year marked a significant redesign, moving from the XV20 to the XV30 platform. The 2007 model year introduced a further refresh and transition to the XV40 platform, bringing updated styling, powertrains, and features.
Production
Manufacturing Location:
Princeton, Indiana, USA.
🏆 Awards & Recognition
Recognitions
Consumer Reports Rankings:
Toyota Sienna consistently ranks high in reliability and family-friendliness in consumer reports for this era.
IIHS Safety Awards:
Likely achieved good ratings from IIHS, indicating solid crashworthiness for its class.
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