The Subaru Forester, model code SG, represents the second generation of Subaru's compact crossover SUV, produced from 2003 to 2008. This 2004 model is distinguished by its standard Symmetrical All-Wheel Drive system, a horizontally-opposed Boxer engine, and versatile wagon-like utility, making it a capable vehicle for various driving conditions. It shares platform elements with the Subaru Legacy and was a finalist for MotorTrend's Sport/Utility of the Year in 2004. The Forester offers a front-engine, all-wheel-drive powertrain, with options for a 5-speed manual or a 4-speed automatic transmission, and is powered by a 2.5L Boxer engine available in naturally aspirated (EJ251) or turbocharged (EJ255) variants.

This comprehensive factory service manual provides in-depth repair and service procedures for the 2004 Subaru Forester. Its scope covers all major vehicle systems, including detailed diagnosis and repair for naturally aspirated and turbocharged EJ25 engines, manual and automatic transmissions, the Symmetrical All-Wheel Drive system, suspension, brakes, steering, and the complete electrical system. The manual also details routine maintenance, troubleshooting guides, diagnostic testing, and provides essential technical specifications, including torque values and required special tools. This resource is designed to assist owners, mechanics, and technicians in maintaining, diagnosing, and repairing the vehicle to factory standards.