This manual covers the Volvo Penta MD22, TMD22, and TAMD22 marine engines, offering comprehensive guidance for their service, repair, and maintenance. Designed with professional quality and in-depth detail, this resource is intended to empower users to perform their own servicing and keep their engines in optimal condition. The engineering behind these marine engines emphasizes reliability and performance, and this manual ensures that owners and technicians have the necessary information to uphold these standards throughout the lifespan of the equipment. The purpose of this English-language service and repair manual is to provide detailed, easy-to-follow instructions for all aspects of maintenance and repair. It includes routine maintenance procedures, guidance for all repair jobs, step-by-step instructions, and visual aids such as pictures and wiring diagrams. This manual is an essential tool for owners, mechanics, and technicians of all skill levels, from beginner to advanced, helping them to better understand all parts and repair procedures, ultimately leading to significant savings on repair costs and ensuring the continued functionality of the Volvo Penta MD22, TMD22, and TAMD22 marine engines.