This comprehensive service and repair manual is specifically designed for the Mitsubishi 4D56 engine, covering models from 1994 onwards. It provides detailed instructions and step-by-step diagrams for all workshop procedures, empowering you to tackle repairs and maintenance tasks with confidence. Within its pages, you'll find specifications, detailed information on special tools required, and comprehensive guidance for a wide range of components, including the drive belt and glow plug system, timing belt, fuel injection pump and nozzles, injection nozzle holder, intake and exhaust manifolds, turbocharger, water pump, thermostat, hoses and pipes, rocker arms, rocker shaft and camshaft, cylinder head and valves, front case and oil pan, piston and connecting rod, crankshaft and cylinder block. This manual equips you with the knowledge to understand the intricacies of the 4D56 engine and confidently perform repairs and maintenance.

The Mitsubishi 4D56 engine is a robust and reliable diesel engine that has been powering numerous vehicles for over three decades. Introduced in 1989, the 4D56 is a 2.5-liter, four-cylinder, naturally aspirated diesel engine known for its durability and fuel efficiency. It achieved widespread popularity in the mid-1990s, particularly in the Japanese domestic market and export models of the Mitsubishi Pajero, Delica, L200, and Triton. The 4D56 engine boasts a cast-iron engine block, a cast-aluminum cylinder head, and a timing belt-driven overhead camshaft. It incorporates a simple and efficient design with a robust crankshaft and connecting rods, making it ideal for challenging off-road conditions and demanding applications. The 4D56 engine's versatility extends beyond its use in passenger vehicles. Its rugged construction and reliable performance have led to its integration into various other applications, including pickup trucks, SUVs, light trucks, and even some marine vessels. The engine has undergone several revisions over the years, with various iterations incorporating technologies like turbocharging, intercooling, and electronic fuel injection systems. These advancements have enhanced power output, fuel efficiency, and emissions control. The 4D56 has established a reputation for its ability to withstand harsh environments and demanding duty cycles. Its straightforward design, readily available parts, and a large aftermarket support network make it a user-friendly engine for both mechanics and enthusiasts alike. The 1994 and subsequent Mitsubishi Engine 4D56 Service Repair Manual provides comprehensive guidance for technicians and owners seeking to maintain, repair, and troubleshoot this versatile and reliable engine.