This workshop service repair manual covers the Volvo AQ175 marine engine, featuring a 3.5-liter (213 cubic inch) V6 engine with a cast iron block and aluminum heads. Designed for marine applications, this engine is engineered for reliability and performance on the water. Its robust construction and V6 configuration provide a solid foundation for various marine power needs. This comprehensive English-language manual provides essential information for the maintenance and repair of the Volvo AQ175. It details diagnostic procedures for common issues, including electrical and fuel system troubleshooting, alongside technical specifications and maintenance guidelines. Owners, mechanics, and technicians will find the information necessary to ensure the optimal performance and longevity of their marine propulsion system.