This comprehensive workshop repair service manual for the 2004-2010 Daihatsu Sirion (Boon) M300 Series provides detailed instructions and procedures for all aspects of repair, maintenance, rebuilding, refurbishment, and restoration. It offers a wealth of information that covers every aspect of your vehicle, enabling you to tackle any repair or maintenance task with confidence. The manual features high-quality illustrations, diagrams, and photos, ensuring clarity and ease of understanding. It covers a wide range of topics, including: * **General Information:** This section provides an overview of the vehicle, including specifications, identification, and safety precautions. * **Engine:** Detailed information on engine mechanical components, lubrication system, cooling system, control system, fuel system, and exhaust system. * **Transmission/Transaxle:** Comprehensive coverage of the clutch, manual transaxle, and automatic transaxle. * **Driveline/Axle:** This section addresses the front and rear axles. * **Suspension:** Detailed guidelines regarding front and rear suspension systems, road wheels, and tires. * **Brakes:** Covers the brake system, parking brake system, and brake control system. * **Steering:** Includes information on the power steering system and steering system. * **Restraints:** Detailed instructions related to seat belts and the supplemental restraint system (SRS). * **Body:** This section covers the body, lock & security system, glasses, window system, mirrors, roof, exterior and interior, instrumental panel, and seats. * **Air Conditioner:** Provides detailed information on the air conditioner system. * **Electrical:** Comprehensive coverage of wiring diagrams, starting & charging system, lighting system, driver information system, wiper, washer & horn, body control system, LAN system, audio-visual, navigation & telephone systems, auto cruise control system, power supply, ground & circuit elements. * **Maintenance:** This section offers a complete guide to vehicle maintenance. * **Index:** An alphabetical index allows for easy access to specific information. This manual is a valuable resource for both experienced mechanics and DIY enthusiasts who want to perform repairs and maintenance on their 2004-2010 Daihatsu Sirion (Boon) M300 Series. It provides the same level of information that professional technicians use, making it an essential tool for any owner.

The Daihatsu Sirion (known as the Boon in Japan) is a compact hatchback that was produced by the Japanese manufacturer Daihatsu from 2004 to 2010. This model, designated as the M300 series, represented the second generation of the Sirion/Boon line, building on the success of its predecessor. The Sirion was known for its affordability, practicality, and fuel efficiency, appealing primarily to young drivers and city dwellers. It featured a spacious interior for its size, thanks to its clever packaging and compact dimensions. Powering the Sirion was a range of small, yet efficient, gasoline engines, including a 1.0-liter and a 1.3-liter unit. These engines were paired with either a 5-speed manual or a 4-speed automatic transmission, providing smooth and reliable performance. The M300 series offered a variety of customization options, allowing buyers to personalize their Sirion with various trim levels, interior appointments, and exterior accessories. While the Sirion was not particularly known for its sporty performance, it excelled in its intended role as a practical and economical runabout. Its light weight and compact footprint made it nimble and easy to maneuver in tight city streets, while its fuel efficiency helped owners save money at the pump. The Sirion's popularity extended beyond Japan, with exports to other markets in Southeast Asia, Europe, and the Middle East. Despite its discontinuation in 2010, the M300 series Daihatsu Sirion/Boon remains a popular choice for budget-minded buyers looking for a reliable and practical compact car. Its reputation for durability and ease of maintenance further enhances its attractiveness in the used car market. The availability of comprehensive workshop repair service manuals like the one mentioned, provides owners and mechanics with detailed instructions and technical specifications that can facilitate repairs and maintenance, ensuring the Sirion’s continued performance and longevity.