This manual covers the Mitsubishi L-Series diesel engines, specifically models L3A, L3C, and L3E. These inline 3-cylinder engines, featuring indirect injection and water cooling, are renowned for their robust engineering and reliability, making them suitable for a wide range of applications including compact cars, light commercial vehicles, industrial equipment, and agricultural machinery. With a displacement of 1.532 L and a bore and stroke of 86 mm x 86 mm, these engines deliver efficient power outputs ranging from 23.5 PS to 26 PS depending on the specific model. This comprehensive Full Service Repair Manual in English provides detailed guidance for owners, mechanics, and technicians. It encompasses complete repair, rebuild, and maintenance procedures, including essential information on lubrication, cooling systems, and fuel injection. Specific maintenance details such as recommended oil types and capacities are also included, ensuring that users have the necessary knowledge to maintain optimal performance and longevity of their Mitsubishi L-Series engines.