This comprehensive workshop service repair manual provides detailed instructions for the repair and overhaul of the Mitsubishi 4M40 engine. Designed for technicians with a solid understanding of general automotive practices, this manual covers a wide range of topics, including engine disassembly and reassembly, component inspection and replacement, troubleshooting and repair procedures, and detailed specifications and diagrams. It offers a thorough guide to servicing this engine, enabling technicians to perform repairs with confidence and accuracy.

The Mitsubishi 4M40 engine is a robust and reliable diesel engine that powers a wide range of Mitsubishi vehicles, including cars, SUVs, and trucks. Introduced in 1988, the 4M40 is a 2.5-liter, four-cylinder, naturally aspirated diesel engine that utilizes an iron block and aluminum head. It has come in several variants, including the 4M40T, 4M41, 4M42, and 4M40-T, each with slightly different specifications and power output. The 4M40 engine is known for its durability, fuel efficiency, and relatively low maintenance requirements. It is renowned for its ability to handle demanding conditions and deliver consistent performance over long distances. This service repair manual is a comprehensive guide specifically designed for mechanics and technicians working on vehicles equipped with the 4M40 engine. It contains detailed information on every aspect of the engine, from basic engine operation and component identification to complex troubleshooting procedures and repair techniques. This manual serves as an invaluable resource for professionals seeking to understand the workings of the 4M40 engine, diagnose and rectify issues, and perform routine maintenance with confidence. It includes sections on engine specifications, disassembly and assembly instructions, component identification and repair, electrical system diagnostics, troubleshooting guides, and torque specifications. The manual also provides detailed diagrams and illustrations to clarify procedures and make understanding the information easier. This service repair manual is an indispensable tool for anyone working on the 4M40 engine, enabling efficient and accurate repairs, reducing downtime, and ensuring the long-lasting performance of the vehicle.