This workshop service repair manual covers Volvo Penta marine diesel engines, specifically models MD11C, MD11D, MD17C, and MD17D. These engines are engineered for reliable performance in marine environments, offering robust construction and dependable operation. Their design prioritizes efficiency and longevity, making them a trusted choice for various maritime applications. This comprehensive manual provides detailed instructions and procedures for the repair, maintenance, and rebuilding of your Volvo Penta engine. It includes step-by-step guidance, hundreds of illustrations, and advanced troubleshooting charts to assist both do-it-yourself enthusiasts and experienced mechanics. Coverage extends to all major engine components, fuel and cooling systems, and electrical diagnostics, ensuring you have the resources needed to keep your engine in optimal condition.