This comprehensive Mitsubishi 4D55 Engine Workshop Service Manual is your ultimate guide to repairing and maintaining your engine. Spanning over 600 pages, this manual provides a detailed breakdown of every aspect of the 4D55 engine, from basic maintenance procedures to complex engine rebuilds. Within this manual, you'll find in-depth information on: * **Engine specifications and components:** Discover the intricate workings of the 4D55 engine, including its design, dimensions, and key components. * **Detailed diagrams and illustrations:** Visualize each step of the repair process with clear and easy-to-understand diagrams and illustrations. * **Step-by-step repair procedures:** Follow precise instructions for troubleshooting, dismantling, repairing, and reassembling the engine, ensuring a successful outcome. * **Troubleshooting guide:** Quickly pinpoint and resolve engine problems with a comprehensive troubleshooting guide covering common issues and solutions. * **Torque specifications:** Ensure accurate and reliable repairs with detailed torque specifications for every bolt and fastener. * **Electrical diagrams:** Navigate the engine's electrical system with detailed wiring diagrams, simplifying troubleshooting and repair. * **Maintenance schedules:** Keep your 4D55 engine running smoothly with recommended maintenance schedules and intervals. Whether you're a seasoned mechanic or a DIY enthusiast, this manual equips you with the knowledge and expertise necessary to tackle any 4D55 engine repair with confidence.

The Mitsubishi 4D55 engine is a robust and reliable diesel powerplant that has found its way into a wide array of Mitsubishi vehicles, including the L200 pickup truck, Delica van, and Pajero SUV. This 2.5-liter, four-cylinder, naturally aspirated engine was first introduced in 1982 and has been continually refined and improved over its long production run. The 4D55 is known for its durability and longevity, characterized by cast-iron construction, a timing chain instead of a belt, and a simple, robust design. This engine features a direct injection system, which helps to ensure efficient combustion and fuel economy. The 4D55 is also known for its relatively high torque output, making it particularly well-suited for off-road applications and heavy-duty work. The Mitsubishi 4D55 Engine Workshop Service Manual is specifically designed for those working on this engine and contains a wealth of technical information and instructions to assist with repair and maintenance tasks. Within the manual, you'll find detailed technical specifications, diagrams, and step-by-step procedures for everything from routine maintenance like oil changes and filter replacements to complex overhauls of the engine. It is an invaluable resource for mechanics, enthusiasts, and anyone looking to perform DIY repairs on their 4D55-powered Mitsubishi vehicle. The manual serves as a comprehensive guide for understanding the engine's workings, diagnosing issues, and successfully performing repairs, making it an essential addition to any toolbox for those working on a 4D55 engine.